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SCIENCE HIGHLIGHT
Accelerator physics: Experiment reveals new options for synchrotron light... Using this method, specialised synchrotron radiation sources would potentially be able to fill a gap in the arsenal of available light sources and offer a prototype for industrial applications. The work was published in Nature.
Electron microscopy shows the graphene sample (gray) in which the helium beam has created a hole pattern so that the density varies periodically. This results in the superposition of vibrational modes and the emergence of a mechanical band gap. The frequency of this phononic system can be adjusted between 50 MHz and 217 MHz by mechanical tension.
SCIENCE HIGHLIGHT
New skills of Graphene: Tunable lattice vibrations A team at Freie Universität Berlin and Helmholtz-Zentrum Berlin showed a graphene-based phononic crystal whose resonant frequency can be tuned over a broad range and has used a helium-ion microscope to produce such a crystal.
Artificial and natural interzones on a tooth restored with non-degradable biomaterials are exposed to mechanical (left: stresses acting in compression, tension and shear) and biological challenges (right: bacterial attachment, penetration, and other interactions with biological media).
NEWS
Dental materials science: HZB is part of a research project funded by DFG Partners also include the Helmholtz-Zentrum Berlin (HZB), a research center for energy materials research, and the Max Planck Institute of Colloids and Interfaces (MPI-KG), which is located in Potsdam.
Overview: Number of patients treated with prontons at HZB from 1998 to 2020.
NEWS
The 4000th eye tumour patient treated with protons at HZB On 19 February 2021, the 4000th eye tumour patient received irradiation with protons, performed by a joint team from Helmholtz-Zentrum Berlin (HZB) and Charité - Universitätsmedizin Berlin.
The phonons distribution is complex (upper curves) and then simplifies with time to a Gaussian bell curve (lower curve).
SCIENCE HIGHLIGHT
How complex oscillations in a quantum system simplify with time The experiment took place at the Vienna University of Technology, while the theoretical considerations were carried out by a joint research group from the Freie Universität Berlin and HZB.
Part of the IRIS research labs will be equipped for research on catalysts. Photo
NEWS
HZB and Humboldt University agree to set up a catalysis laboratory The IRIS research building offers optimal conditions for the research and development of complex material systems.
NACHRICHT
21.01.: Seminar zu klimaneutralem Planen, Bauen und Betreiben Photovoltaik im Gebäudekonzept integrieren | DGNB Seminarreihe Klimaneutrales Planen, Bauen und Betreiben 21.Januar 14:30 - 16:00 Uhr
The illustration visualizes the composition of the tandem solar cell.
SCIENCE HIGHLIGHT
Perovskite/silicon tandem solar cells on the threshold of 30% efficiency The tandem cell provided stable performance for 300 hours – even without encapsulation. To accomplish this, the group headed by Prof. Steve Albrecht investigated physical processes at the interfaces to improve the transport of the charge carriers.
The Fermi surface of multidomain GeTe (111) bulk single crystal measured with high-resolution angle-resolved photoemission at BESSY II.
SCIENCE HIGHLIGHT
Future Information Technologies: Germanium telluride's hidden properties at the... Germanium Telluride is an interesting candidate material for spintronic devices. At BESSY II, a Helmholtz-RSF Joint Research Group has revealed how the spin texture switches by ferroelectric polarization within individual nanodomains.
Scalable large area BiVO4 photoanode on FTO with Ni current collectors.
SCIENCE HIGHLIGHT
Solar hydrogen: Let’s consider the stability of photoelectrodes This is the first operando stability study of high-purity BiVO4 photoanodes during the photoelectrochemical oxygen evolution reaction (OER). It shows how the stability of photoelectrodes and catalysts can be compared and enhanced.
(a,b) Cryo-electron microscopy of the 2D-grating and the diffraction pattern of a section. (c-e) Magnification shows the 2D Pascal triangular pattern, with the inserted protein molecules.
SCIENCE HIGHLIGHT
Nanopatterns of proteins detected by cryo-electron microscopy A Team at HZB used cryo electron microscopy to detect regular, two-dimensional structures in the form of Pascal triangles, which a Chinese research group assembled from proteins in the laboratory for the first time.
View into the experimental hall of the electron accelerator BESSY II at Helmholtz-Zentrum Berlin. Researchers carry out experiments at approximately 50 beamlines. The aim of the cooperation between the University of Kassel and the HZB is to use artificial intelligence to evaluate these data more efficiently.
NEWS
University of Kassel and HZB establish Joint Lab for the use of artificial... The University of Kassel and Helmholtz-Zentrum Berlin are setting up a joint laboratory for the use of artificial intelligence, where they will improve the analysis of data from experiments performed at BESSY II.
The participants after signing the cooperation agreement between IKZ and HZB in corona-conform distance: (from left to right) Dr. Andreas Popp (IKZ), Dr. Manuela Urban (FVB), Dr. Peter Gaal (IKZ), Prof. Dr. Catherine Dubourdieu (HZB), Prof. Dr. Thomas Schröder (IKZ), Prof. Dr. Bernd Rech (HZB), Thomas Frederking (HZB).
NEWS
HZB & IKZ bundle their competencies In crystalline energy and quantum materials On September 11, 2020, the Helmholtz-Zentrum Berlin (HZB) and the Leibniz-Institut für Kristallzüchtung (IKZ) signed a cooperation agreement to advance joint research on energy and quantum materials.
Prof. Birgit Kanngießer heads a joint research group on X-ray methods, which is funded by TU Berlin and HZB.
NEWS
HZB and TU Berlin: New joint research group at BESSY II Birgit Kanngießer is setting up a joint research group to combine X-ray methods in laboratories and at large-scale facilities.
NEWS
HZB is member of the IGAFA initiative in Adlershof Since September 2020, the Helmholtz-Zentrum Berlin is again a member of IGAFA - the Initiative of Non-University Research Institutions in Adlershof.
Structure of TUB75: the entire MOF architecture (top) and its conductive inorganic unit (bottom)
SCIENCE HIGHLIGHT
Molecular architecture: New class of materials for tomorrow's energy storage TUB75 is the name of a newly created material from the class of metal-organic frameworks, or MOFs. It could open up new opportunities for energy storage.
Intelligent mathematical tools for the simulation of spin systems reduce the computing time required on supercomputers. Some of the fastest supercomputers in the world are currently located at Forschungszentrum Jülich (shown here is JUWELS).
SCIENCE HIGHLIGHT
Mathematical tool helps calculate properties of quantum materials more quickly A joint research group at Freie Universität Berlin and HZB has demonstrated a way to considerably reduce the computing time. This could accelerate the development of materials for energy-efficient IT technologies.
Grosspeter Tower, Basel 2016
NACHRICHT
Seminar für Architekt*innen Bauwerkintegrierte Photovoltaik: Architektur –... Im September veranstaltet die Beratungsstelle für BIPV „BAIP“ zusammen mit der Architektenkammer Niedersachsen ein Seminar für Architekt*innen zum Thema Bauwerkintegrierte Photovoltaik: Architektur-Gestaltung und Ausführung
For the study, the enzyme endothiapepsin (grey) was combined with molecules from the fragment library. The analysis shows that numerous substances are able to dock to the enzyme (blue and orange molecules). Every substance found is a potential starting point for the development of larger molecules.
SCIENCE HIGHLIGHT
New substance library to accelerate the search for active compounds In order to accelerate the systematic development of drugs, the MX team at the Helmholtz-Zentrum Berlin (HZB) and the Drug Design Group at the University of Marburg have established a new substance library.
This is how the experiment went: Two laser pulses hit the thin film of iron-platinum nanoparticles at short intervals: The first laser pulse destroys the spin order, while the second laser pulse excites the now unmagnetised sample. An X-ray pulse then determines how the lattice expands or contracts.
SCIENCE HIGHLIGHT
Robust high-performance data storage through magnetic anisotropy An international team led by Prof. Dr. Matias Bargheer has now observed experimentally for the first time how a special spin-lattice interaction in these iron-platinum thin films cancels out the thermal expansion of the crystal lattice.
The new CatLab (blue area) will be built in close proximity to BESSY II and other laboratories.
NEWS
Launch of new catalysis centre in HZB-Adlershof The HZB is launching a major new project with an interdisciplinary architectural competition: An innovative laboratory and office building for catalysis research, in which the cooperation between HZB and the Max-Planck-Society is to be expanded.
At quantum physics atoms, molecules or photons are used to store information.
SCIENCE HIGHLIGHT
Benchmarking for quantum technologies Does a device do what it's supposed to? This question is particularly relevant when new types of technologies are developed. A comparative analysis presents the diverse tools with which quantum devices can be certified today.
Illustration of a CuxOy structure formed on a AgCu alloy in oxidizing environments described in this work. (c) ACS Applied Materials & Interfaces.
SCIENCE HIGHLIGHT
User research at BESSY II: Formation of a 2D meta-stable oxide in reactive... A research team from the Max Planck Institute for Chemical Energy Conversion has now described an important phenomenon that can occur when metal alloys are exposed to reactive environments at the synchrotron source BESSY II.
The illustration shows the changes in the structure of FASnI3:PEACl films during treatment at different temperatures.
SCIENCE HIGHLIGHT
On the road to non-toxic and stable perovskite solar cells To replace lead by less toxic elements is not easy since lead-free perovskites show lower stability and poor efficiencies. Now, an international collaboration has engineered a new hybrid perovskite material with promising efficiency and stability.
In HoAgGe, holmium spins occupy the corners of triangles that are arranged in a Kagome pattern. The alignment of adjacent spins (left, red arrows) must obey the ice rule: Either two spins protrude into a triangle and one protrude out, or vice versa. As a result the individual triangles behave as if they were magnetic monopoles (right).
SCIENCE HIGHLIGHT
Neutron research: Magnetic monopoles detected in Kagome spin ice systems At low temperatures, certain crystals can contain so-called quasi-particles that behave like magnetic monopoles. Now an international cooperation has proven that such monopoles also occur in a Kagome spin ice system.
MXenes are 2D materials forming multi-layered particles (left) from which pseudocapacitors are made. Shining X-ray light on MXenes revealed changes of their chemical structure upon intercalation of urea molecules (right) compared to pristine MXenes (center).
SCIENCE HIGHLIGHT
Fast and furious: New class of 2D materials stores electrical energy Two dimensional titanium carbides, so-called MXenes, are being discussed as candidates for the rapid storage of electrical energy. The intercalation of urea between the MXene layers can increase the capacity.
An individual eye shield is made for each patient to protect the surrounding tissue from the proton beam.
NEWS
20 percent more patients were treated with proton therapy in 2019 For more than 20 years, Charité - Universitätsmedizin Berlin and the Helmholtz-Zentrum Berlin (HZB) have jointly offered the irradiation of eye tumors with protons. In 2019, more patients were treated in Berlin-Wannsee than ever before. 276 patients - 20 ...
NACHRICHT
Berlins außeruniversitäre Forschungseinrichtungen schließen sich zusammen Berlins außeruniversitäre Forschungseinrichtungen schließen sich zur BR 50 (Berlin Research 50) zusammen. Sie wollen künftig gemeinsam Strategien für die Forschung und den Austausch mit Politik und Gesellschaft zu entwickeln.
The x-ray tomography shows ruptures (black) in the regions of electrical contacts (white).
SCIENCE HIGHLIGHT
Battery research: Using neutrons and X-rays to analyse the ageing of lithium... An international team has used neutron and X-ray tomography to investigate the dynamic processes that lead to capacity degradation at the electrodes in lithium batteries. Using a mathematical method, it was possible to virtually unwind electrodes.
Research on the EU project Sharc25 also took place in the EMIL laboratory, where thin films and materials can be analysed with X-rays from BESSY II.
NEWS
CIGSe thin-film solar cells: EU Sharc25 project increases efficiency The increases have been achieved through post-processing with alkali elements, and the procedures are suitable for industrial-scale production.
Mint plants have been analysed after having grown on contaminated soil samples.
SCIENCE HIGHLIGHT
Plants absorb lead from perovskite solar cells more than expected Lead from metal-organic perovskite compounds can be absorbed particularly easily by plants. The bioavailability is significantly higher than that of lead from inorganic compounds as found in batteries.
The study is displayed on the cover of the journal Chemmedchem.
SCIENCE HIGHLIGHT
Cancer research at BESSY II: Binding Mechanisms of Therapeutic Substances... A team has used BESSY II to analyse the possible binding mechanisms in certain therapeutic substances from the tetrazole hydrazide group.
NEWS
More information from microscopy images by computing power Ptychography 4.0 is a pilot project of the Helmholtz Incubator Funding Programme. The goal is to use “virtual lenses” to correct imaging errors and thus considerably increase the resolution of images in microscopy.
The Russian-German Laboratory operating its own beamline at BESSY II.
NEWS
New instrument at BESSY II commences user operation A new instrument became available to the users of BESSY II on Oct. 28, 2019. The new beamline and apparatus for spin- and angular-resolved photoemission in the Russian-German Laboratory at BESSY II have successfully completed their test phase.
INTERVIEW
Joint research group for quantum computing and simulation Jens Eisert is a professor of physics at Freie Universität Berlin and the head of the joint research group. He is an internationally renowned expert for quantum many-body theory, quantum information theory, and quantum optics.
Marko Jošt was a PhD student in the HySPRINT-Lab in Steve Albrecht's group. Now he will continue his research on tandem solar cells at the university of Lubljana.
NEWS
Helmholtz Association promotes HZB cooperation with Slovenia on perovskite... The topics of the cooperation are tandem solar cells made of perovskite and silicon and, in particular, their precise characterisation.
From left to right: Prof. Bernd Rech of HZB, Prof. Ulrich S. Schubert of CEEC Jena, and the President of Jena University, Prof. Walter Rosenthal, seal the cooperation.
NEWS
Memorandum of Understanding signed between University of Jena and HZB The Centre for Energy and Environmental Chemistry Jena (CEEC Jena) and HZB want to join forces to research novel energy storage materials and systems in the future.
View into the experimental hall of BESSY II at HZB, Berlin.
NEWS
Physicists develop "time machine" for materials research Researchers from Martin Luther University Halle-Wittenberg (MLU), Freie Universität Berlin and Technische Universität München will develop fast electronics for data acquisition at BESSY II. This will enable researchers to evaluate the data more extensively - ...
A team of researchers examined an ancient papyrus with a supposed empty spot. With the help of several methods, they discovered which signs once stood in this place and which ink was used.
SCIENCE HIGHLIGHT
Archaeology at BESSY II: “Invisible ink” on antique Nile papyrus revealed The studies push the door wide open for analysing the giant Berlin papyrus collection and many more.
The new german russian undulator beamline at BESSY II
NEWS
German Russian collaboration further strengthened at HZB Cooperation project at BESSY II further expanded: Research on topological insolators is pushed by additional funding from Helmholtz Funding
At the MX-Beamlines at BESSY II, Gottfried Palm, Gert Weber and Manfred Weiss could solve the 3D structure of MHETase.
NEWS
FOCUS TOPIC: Using BESSY II to combat plastic waste MHETase was discovered in bacteria and together with a second enzyme - PETase - is able to break down the widely used plastic PET into its basic building blocks.
The neutron school at ANSTO in cooperation with HZB experts could transfer knowledge and skills in neutron research.
NEWS
Traditional HZB Neutron School will be continued at ANSTO in Australia This summer, researchers at the Australian neutron source ACNS organised a joint neutron school at Australia's Nuclear Science and Technology Organisation ANSTO. The HZB-ANSTO neutron school will take place every two years.
Group picture at arrival day at HZB.
NEWS
Summer in the laboratory: 24 students from all over the world start their... For eight weeks the summer students are now working on a research project at the Helmholtz Centre Berlin. Experienced scientists of the HZB will support them. On Thursday, 30 August, they will present their results.
SCIENCE HIGHLIGHT
Oldest completely preserved lily discovered Already 115 million years ago, tropical flowering plants were apparently very diverse and showed all typical characteristics. This is the conclusion of an international team of researchers led by Clément Coiffard, Museum für Naturkunde Berlin. The team ...
NEWS
Photovoltaics are growing faster than expected in the global energy system Not only the electricity sector, but also transport, heating, industry and chemical processes will in future be supplied primarily by solar power, because it is already the cheapest form of electricity generation in large parts of the world.
The illustration is alluding to the laser experiment in the background and shows the structure of TGCN.
SCIENCE HIGHLIGHT
Organic electronics: a new semiconductor in the carbon-nitride family Triazine-based graphitic carbon nitride (TGCN) is a semiconductor that should be highly suitable for applications in optoelectronics.
NEWS
Development of a miniaturised EPR spectrometer Several research institutions are developing a miniaturized electron paramagnetic resonance (EPR) device with industrial partner Bruker to investigate semiconductor materials, solar cells, catalysts and electrodes for fuel cells and batteries.
HZB-Teams are exploring and developing new technologies for perovskite based solar cells in the innovation lab HySPRINT.
NEWS
LAUNCH OF EPKI: European Perovskite Initiative for the development of... With the HySPRINT project and the recruitment of highly talented young scientists, Helmholtz-Zentrum Berlin has built up a considerable research capacity in the field of perovskite materials in recent years and is participating in the European Perovskite ...
The enzyme MHETase is a huge and complex molecule. MHET-molecules from PET plastic dock at the active site inside the MHETase and are broken down into their basic building blocks.
SCIENCE HIGHLIGHT
"Molecular scissors" for plastic waste MHETase was discovered in bacteria and together with a second enzyme - PETase - is able to break down the widely used plastic PET into its basic building blocks.
Facade with integrated CIGS thin-film solar modules at the institute building of the ZSW in Stuttgart.
NEWS
Thin-film PV is key technology to drive global energy transition The German research institutes ZSW and HZB see huge potential in CIGS for both climate and business.
NEWS
HZB to participate in two Clusters of Excellence HZB to participate in two Clusters of Excellence
New solutions are available to integrate PV into the building skin. One beautiful example is the Copenhagen International School.
NEWS
Towards the Climate Neutral City: Independent consulting office for integrating... Towards the Climate Neutral City: Independent consulting office for integrating photovoltaics into buildings
Marcus Bär, here in EMIL lab at HZB, has accepted a professorship at FAU in South-Germany.
NEWS
Marcus Bär accepts W2 professorship for X-ray spectroscopy in Erlangen-Nuremberg Marcus Bär accepts W2 professorship for X-ray spectroscopy in Erlangen-Nuremberg
(a) Neutronen-Eigenspannungsmessung an einer Schweißprobe aus handelsüblichen Stahl, (b) Magnetfeldmessung, (c) Schweißnahtquerschliff.
SCIENCE HIGHLIGHT
Neutronenforschung hilft bei der Entwicklung von zerstörungsfreien Prüfverfahren Neutronenforschung hilft bei der Entwicklung von zerstörungsfreien Prüfverfahren
From left to right: Prof. Dr. Jan Lüning (HZB, design. GF), Dr. Roland Steitz (HZB), H.E. Dr. Khaled TOUKAN (Chairman of Jordan Atomic Energy Commission), Dr. Antje Vollmer (HZB), Mr Akram Hayjeneh (Jordan Embassy in Berlin), Dr. Samer Kahook (Manager of JRTR Jordan Atomic Energy Commission).
NEWS
Delegation from Jordan visited the HZB The Helmholtz-Zentrum Berlin (HZB) will intensify its cooperation with Jordanian large-scale research facilities. This was agreed between Prof. Dr. Jan Lüning and representatives of a high-ranking Jordanian research delegation, which visited the HZB at the ...
The APPLE II UE56 double undulator generates brilliant light with variable polarization.
NEWS
HZB builds undulator for SESAME in Jordan HZB builds undulator for SESAME in Jordan
Computer scientist Andreas Maier, materials researcher Silke Christiansen and medical expert Georg Schett have been awarded with an ERC Synergy Grant.
NEWS
ERC Synergy grant with HZB participation Novel X-ray microscope to produce microstructural images in situ and in vivo
Doped Diamond Foam.
SCIENCE HIGHLIGHT
Nanodiamonds as photocatalysts Diamond nanomaterials are considered hot candidates for low-cost photocatalysts. They can be activated by light and can then accelerate certain reactions between water and CO2 and produce carbon-neutral "solar fuels". The EU project DIACAT has now doped such ...
Prof. Dr. Andrea Denker is the head of the department "Proton Therapy" at HZB.
NEWS
Andrea Denker is Professor of "Accelerator Physics for Medicine" The Beuth Hochschule für Technik Berlin and the Helmholtz-Zentrum Berlin (HZB) have appointed Prof. Dr. Andrea Denker to the joint professorship "Accelerator Physics for Medicine" as of October 1, 2018. Since 2006, Andrea Denker is head of the department ...
The theory group with Joe Dzubiella.
NEWS
Collaboration between HZB and the University of Freiburg Through a Joint Research Group entitled "Simulation of Energy Materials" Prof. Joachim Dzubiella of the Albert-Ludwigs-Universität, Freiburg will be able to continue his collaboration with the HZB. The theoretical physicist headed the "Theory and Simulation" ...
View into the new HySPRINT laboratory at HZB, where perovskit solar cells can be produced and tested. Photo: HZB/M. Setzpfandt
NEWS
2.8 Mio Euro Funding for preparing perovskite solar cells for high volume... HZB participates in a new consortium for Perovskite solar technology that is led by Oxford PV Germany GmbH. The consortium is funded by the German Ministry of Economics and Energy with 2.8 Million Euros and aims to further demonstrate the manufacturability of ...
The HySPRINT logo (Helmholtz Innovation Lab) printed on a copper solution symbolizes how the thinnest material layers can be produced simply and cost-effectively. Possible applications are solar cells, organic LEDs or transistors. Photo
NEWS
Printing solar cells and organic LEDs Humboldt-Universität zu Berlin and Helmholtz-Zentrum Berlin form a joint lab and research group "Generative production processes for hybrid components”.
The laser pulse (red) generates heat in the thin-film system. The physical mechanisms by which the heat is distributed can be analysed by temporally resolved X-ray diffraction experiments.
SCIENCE HIGHLIGHT
Future information technologies: nanoscale heat transport under the microscope A team of researchers from the Helmholtz-Zentrum Berlin (HZB) and the University of Potsdam has investigated heat transport in a model system comprising nanometre-thin metallic and magnetic layers. Similar systems are candidates for future high-efficiency ...
The analysed perovskite cell has a surface of 1 cm2. Credit. Uni Potsdam
SCIENCE HIGHLIGHT
Insight into loss processes in perovskite solar cells enables efficiency... In perovskite solar cells, charge carriers are mainly lost through recombination occurring at interface defect sites. In contrast, recombination at defect sites within the perovskite layer does not limit the performance of the solar cells at present. Teams ...
Manganese compounds also play a role as catalysts in photosynthesis.
SCIENCE HIGHLIGHT
Insight into catalysis through novel study of X-ray absorption spectroscopy An international team has made a breakthrough at BESSY II. For the first time, they succeeded in investigating electronic states of a transition metal in detail and drawing reliable conclusions on their catalytic effect from the data. These results are ...
Übergabe der Technologieberichte an den parlamentarischen Staatssekretär Thomas Bareiß (BMWi) durch Prof. Dr.-Ing. Manfred Fischedick und Dr. Peter Viebahn, (Wuppertal Institut) sowie Prof. Dr. Martin Wietschel (Fraunhofer ISI) und Juri Horst (IZES gGmbH). Quelle: Susanne Eriksson/BMWi
SCIENCE HIGHLIGHT
Wissenstransfer: Neues Standardwerk zu Energietechnologien in Deutschland Vertreter des Wuppertal Instituts haben dem Bundesministerium für Wirtschaft und Energie (BMWi) einen mehrbändigen Bericht zu Energietechnologien übergeben. Dabei haben Experten aus dem HZB-Institut PVcomB am Themenfeld Photovoltaik mitgewirkt. Im Herbst ...
Participants from partner institutions at the GRECO kick off in Madrid on 25. June 2018.
NEWS
GRECO kick-off in Madrid: advancing photovoltaics through “open science” The Helmholtz-Zentrum Berlin (HZB) is one of ten international partners in the GRECO pilot project funded under the European Union framework programme Horizon 2020. They intend to jointly test OpenScience approaches for exchanging knowledge and research data ...
The homepage: http://grafox.pdi-berlin.de/
NEWS
HZB expert contributes to Leibniz platform GraFOx The platform "GraFOx" of the Leibniz Association bundles the activities and competences of Berlin research institutes and universities in the field of oxide research for electronic applications. Now Prof. Dr. Catherine Dubourdieu has been involved as an ...
Nils Mårtensson, University of Uppsala, cooperates closely with HZB.
NEWS
Helmholtz International Fellow Award for Nils Mårtensson The Helmholtz Association has presented the Swedish physicist Nils Mårtensson with a Helmholtz International Fellow Award. The synchrotron expert of the University of Uppsala, who heads the nobel comitee for physics, cooperates closely with the ...
The transparent anti-corrosion layer contains Rhodium nanoparticles as a catalyst. Credit ACS Energy Letters.
SCIENCE HIGHLIGHT
New world record for direct solar water-splitting efficiency Hydrogen will play a central role as a storage medium in sustainable energy systems. An international team of researchers has now succeeded in raising the efficiency of producing hydrogen from direct solar water-splitting to a record 19 per cent. They did so ...
Perovskite-based tandem solar cells can achieve now efficiencies better than 25%.
SCIENCE HIGHLIGHT
Perovskite-silicon solar cell research collaboration hits 25.2% efficiency A 1 cm2 perovskite silicon tandem solar cell achieves an independently certified efficiency of 25.2 %. This was presented this week at an international conference in Hawaii, USA. The cell was developed jointly by HZB, Oxford University and Oxford PV - The ...
NEWS
Helmholtz Association supports ATHENA with 29.99 mio. euro grant ATHENA ("Accelerator Technology HElmholtz iNfrAstructure”) is a new research and development platform focusing on accelerator technologies and drawing on the resources of all six Helmholtz accelerator institutions (DESY, Jülich Research Centre, ...
Semi transparent PV-elements in the train station in Perpignan, France.
NEWS
Alliance Building Integrated Photovoltaics: Björn Rau joins Management Board The General Meeting of Alliance for Builiding Integrated Photovoltaics (BIPV) has unanimously elected physicist and photovoltaic expert Dr. Björn Rau, Helmholtz-Zentrum Berlin, to the BIPV Management Board.
NEWS
HZB experts present cooperation opportunities at Intersolar Europe in Munich The international exhibition "Intersolar” brings photovoltaic research and the solar industry together. It is a perfect opportunity for researchers from Helmholtz-Zentrum Berlin to present thin-film photovoltaic technologies and projects, including for ...
First author is the mathematician Sibylle Bergmann, whose PhD work is funded by MiCo.
SCIENCE HIGHLIGHT
Helmholtz Virtual Institute MiCo: Article selected as journal highlight for 2017 The Helmholtz Virtual Institute MiCo offers a platform through which the Helmholtz-Zentrum Berlin conducts joint research with universities and other partners on the topic of microstructures for thin-film solar cells. The journal Modelling and Simulation in ...
More than 50 participants from Israel and Berlin initiated the international research school HI-SCORE with a kick off meeting.
NEWS
HI-SCORE international research school: Kick Off Meeting in Berlin The international research school on solar energy promotes exchange between Germany and Israel and excellent conditions for PhD students.
Laser light for writing and erasing information – a strong laser pulse disrupts the arrangement of atoms in an alloy and creates magnetic structures (left). A second, weaker, laser pulse allows the atoms to return to their original lattice sites (right).
SCIENCE HIGHLIGHT
Writing and deleting magnets with lasers Scientists at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) together with colleagues from the Helmholtz-Zentrum Berlin (HZB) and the University of Virginia in Charlottesville, USA have found a way to write and delete magnets in an alloy using a laser beam ...
The magnetosomes form a chain inside the bacteria's cell shows the electron cryotomography (ECT).
SCIENCE HIGHLIGHT
BESSY II sheds light on how the internal compass is constructed in...
NEWS
LEAPS join forces with the European Commission to strengthen Europe’s leading... "A world where European science is a catalyst for solving global challenges, a key driver for competitiveness and a compelling force for closer integration and peace through scientific collaboration.” This is the vision of LEAPS, League of European ...
PCN nanolayers under sunlight can split water.
SCIENCE HIGHLIGHT
Solar–to-hydrogen conversion: nanostructuring increases efficiency of... Polymeric carbon nitrides exhibit a catalytic effect in sunlight that can be used for the production of hydrogen from solar energy. However, the efficiency of these metal-free catalysts is extremely low. A team at the Tianjin University in China, in ...
Benjamin Rotenberg is a guest researcher at the HZB-Institute for Solar Fuels in 2018.
NEWS
Guest researcher at HZB: Bessel Prize Winner Benjamin Rotenberg Prof. Benjamin Rotenberg has received a Friedrich Wilhelm Bessel Research Prize from the Alexander von Humboldt Foundation for 2018 and will be spending time regularly as a guest researcher at the Helmholtz-Zentrum Berlin. Rotenberg is a researcher of the ...
NEWS
HZB launches Helmholtz International Research School in collaboration with... On 1st February 2018, the Helmholtz-Zentrum Berlin (HZB) has established the Helmholtz International Research School HI-SCORE, which will be oriented towards solar energy research. To accomplish this, HZB is collaborating with the Weizmann Institute in ...
Oxford PV – The Perovskite Company's industrial site in Brandenburg an der Havel, Germany where the company is working rapidly to transfer its advanced perovskite on silicon tandem solar cell technology to an industrial scale process.
NEWS
Oxford PV collaborates with HZB to move perovskite solar cells closer to... Perovskite solar technology leader Oxford PV collaborates with leading German research centre to support the accelerated transfer of its technology into silicon cell manufacturing lines.
The energy yields of CIGS modules under real world conditions can be measured on a outdoor testing platform at PVcomB.
NEWS
PVcomB and AVANCIS launch joint MyCIGS research project in order to improve... The Competence Centre Thin-Film- and Nanotechnology for Photovoltaics Berlin (PVcomB) is contributing its expertise to improving copper-indium-gallium-sulphide (CIGS) thin-film production in the MyCIGS collaborative research project. CIGS-module manufacturer ...
Photo (from left to right): Dr. Javier Santisteban, scientific director of LAHN, Thomas Frederking, administrative director of HZB, Karina Pierpauli, CEO of LAHN, and Prof. Dr. Bernd Rech, scientific director of HZB. They came together to sign the agreement in Berlin.photo: Silvia Zerbe
NEWS
HZB makes new contacts with Argentinian Neutron Beams Laboratory Helmholtz-Zentrum Berlin (HZB) has signed a cooperation agreement with the Argentinian Neutron Beams Laboratory, LAHN (Laboratorio Argentino de Haces de Neutrones). Through this cooperation, HZB will be advising Argentinian researchers on the construction of ...
Prof. Bernd Rech represented the HZB and its lightsource BESSY II.
NEWS
LEAPS – Europe’s light sources join together to coordinate cutting-edge research A new strategic group comprising the organisations operating European accelerator-based light sources has been founded in Brussels. The goal of the LEAPS consortium (League of European Accelerator-Based Photon Sources) is to elevate European collaboration on ...
With regard to Chinese institutions, the Helmholtz Beijing Office (photo) wants to promote the Helmholtz Association and its outstanding research environment and facilities as an attractive location for the training of young scientists. Photo
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HZB is involved in the Helmholtz exchange programme with China The Helmholtz Association and the Office of China Postdoctoral Council, OCPC, are establishing a common exchange programme for Chinese postdocs. The young scientists will be researching at eight Helmholtz centres for two years before returning to China. HZB ...
At IUPAC 13th International Conference on Novel Materials and their Synthesis in October, 2017 at Nanjing Tech University, China, Prof. Norbert Koch was awarded for his research.
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“Distinguished Award 2017 for Novel Materials and their Synthesis” for Norbert... At the IUPAC NMS-XIII conference in Nanjing, Professor Dr. Norbert Koch has been awarded the "Distinguished Award 2017 for Novel Materials and their Synthesis "of IUPAC (International Union of Pure and Applied Chemistry) and of the Conference Committee. Koch ...
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Approved! The EU INFINITE-CELL project A large EU-sponsored research project on tandem solar cells in which HZB is participating begins in November 2017. The goal is to combine thin-film semiconductors made of silicon and kesterites into especially cost-effective tandem cells having efficiencies ...
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The use coordination on a EU trip: promoting European light sources Synchrotrons are outstanding tools for studying materials, cells and even cultural assets. Yet, many researchers in Eastern Europe are unaware that they are entitled to use them. The EU project Calipsoplus supports potential users from these countries.
Scientists at HZB are exploring the potential of metal organic perovskites for solar cells. Here a tandem solarcell is shown that combines perovskite with silicon.
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Invitation to HySPRINT – Industry Day “New Frontiers in PV Research: Emerging... On 13 October, Helmholtz-Zentrum Berlin will be hosting its first Industry Day on the topic of Perovskite Solar Cells. Following a recap of the current state of research and development and the future potential of perovskite solar cells, participants from ...
Sequential tomography of a lupin root (yellowish green) after deuterated water (D2O) was introduced from below. The rising water front (H2O, dark blue) is displaced by the D2O from below over the course of time. The complete sequence can be viewed as a video. Created by Christian Tötzke © University of Potsdam
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User research at BER II: Lupin roots observed in the act of catching water from... Lupins not only produce colourful blossoms but also nutritious beans rich in proteins. Just how these plants draw water approaching their roots in soil has now for the first time been observed in three dimensions by a University of Potsdam team at the HZB-BER ...
Lab tour of the perovskite synthesis facility at the HZB Institute for Silicon Photovoltaics, on the occasion of the HyPerCells Research Colloquium in May 2017.
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Record- efficiency solar cells realised by the HyPerCells Graduate School The University of Potsdam and the Helmholtz-Zentrum Berlin founded the HyPerCells Graduate School just two years ago with focus on metal halide perovskites for solar applications. Now, groups involved in the graduate school have demonstrated perovskite solar ...
Kickoff with a meeting on 19 June 2017: Prof. Borisenko, Dr. Rienks, Prof. Büchner (all IFW), the leader of the Young Investigator Group Dr. Fedorov; Dr. Varykhalov and apl. Prof. Rader (both HZB) (from left to right).
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Kickoff for Joint Lab with IFW Dresden The Leibniz Institute for Solid State and Materials Research Dresden (IFW) and Helmholtz-Zentrum Berlin (HZB) have created a Joint Lab for "functional quantum materials” and under its umbrella a Young Investigator Group.
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EU project CALIPSOplus has started for free access to European light sources The EU is providing ten million euros in funding for the project CALIPSOplus, submitted by 19 European light sources. The project consortium, of which Helmholtz-Zentrum Berlin is a member, kicked off on May 2017. CALIPSOplus is aimed at promoting the ...
This optical zone melting furnace is producing large single crystals.
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New at Campus Wannsee: CoreLab Quantum Materials Helmholtz-Zentrum Berlin has expanded its series of CoreLabs for energy materials research. In addition to the five established CoreLabs, it has now set up a CoreLab for Quantum Materials. A research team from the HZB Institute for Quantum Phenomena in New ...
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New lab for electrochemical interfaces at BESSY II The Helmholtz-Zentrum Berlin (HZB) is establishing a joint lab together with the Max Planck Society (MPS) to study electrochemical phenomenon at solid/liquid interfaces. The Berlin Joint Lab for Electrochemical Interfaces, or BElChem for short, will employ ...
The YIW2017's dynamic discussions crowd.
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The Young Investigators Workshop 2017 on Dynamic Pathways in Multidimensional... 24 scientists from various countries participated in the Young Investigators Workshop 2017 on Dynamic Pathways in Multidimensional Landscapes in Grainau am Eibsee in the Bavarian Alps. This workshop which was organized by Professor Alexander Föhlisch was ...
The experimental data show, how a light pulse dissociates a hydrogen nucleus from the nitrogen atom without destroying important bonds within the molecule.
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Proton transfer: Researcher find mecanism to protect biomolecules against light... A team at the Helmholtz-Zentrum Berlin (HZB) together with researchers in Sweden and the USA has analysed a mecanism which protects biomolecules such as the DNA against damage by light. They observed how the energy of incoming photons can be absorbed by the ...
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CIGS Thin-film Solar Modules: HZB invites for workshop Global demand for photovoltaic systems is rising sharply. CIGS thin-film modules have become a hot topic for the solar industry. International experts will convene in Stuttgart on May 30, 2017, at the annual IW-CIGSTech workshop to discuss past and potential ...
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Christiane Becker receives a professorship at HTW Berlin University of Applied... Prof. Dr. Christiane Becker has accepted the call to a W2 professorship for the field of "Experimental physics focusing on material sciences and photonics” at HTW Berlin University of Applied Sciences. Since October 2012, she has headed a Young ...
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Deutsche Gesellschaft für Materialkunde was a guest of HZB From 15 to 16 March, the Deutsche Gesellschaft für Materialkunde, DGM (German association of materials science), held its closed board meeting and Advisory Council meeting at HZB. The experts took the occasion to visit the synchrotron source BESSY II and the ...
Agreement signed: HZB and NCBJ agreed to transfer and rebuild three of HZB’s neutron scattering instrumentsin 2019.
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Agreement signed: Three neutron instruments will be transferred to the Polish... In February 2017 Helmholtz-Zentrum Berlin (HZB) and the National Centre for Nuclear Research (NCBJ) in Poland agreed to transfer and rebuild three of HZB’s neutron scattering instruments at the Polish research reactor MARIA in 2019. With support from ...
The teams of Freie Universität Berlin and Helmholtz Zentrum Berlin are engaged in the of training young scientists. The participants produce samples and examine at the MX beamlines of BESSY II.
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HZB and Freie Universität Berlin are establishing the joint research group... For eight years, HZB’s "Macromolecular Crystallography” workgroup has been successfully cooperating with the "Structural Biochemistry” research group headed by Prof. Markus Wahl at the Freie Universität Berlin. They are about to intensify ...
The SPATZ team of ANSTO was glad about the arrival of the former HZB neutron instrument BioRef. It will be set up until 2018 in Australia. photo: ANSTO.
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Neutron instrument BioRef arrived safely in Down Under As reported, the neutron instrument BioRef will be set up at the "Australian Centre for Neutron Scattering” of ANSTO. Approximately 257 components were safely packed in 43 wooden crates weighing just under 30 tonnes for the sea voyage from Hamburg to ...
The 3000th ocular tumour patient was able to benefit from proton treatment on January 27th, 2017. Photo
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3000th ocular tumour patient treated using protons at HZB A team at Charité - Universitätsmedizin Berlin and the Helmholtz-Zentrum Berlin (HZB) has now treated its 3000th ocular tumour patient with an individualised proton radiation protocol. This involves irradiating the tumour with fast hydrogen nuclei (protons) ...
Scientists from all participating organisations together with the project officers from FCH2 JU met in January 2017 to start off the project.
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Solar based hydrogen generation: EU-project PECSYS aiming for technological... Development of demonstrators measuring up to ten square meters in area planned
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Young Investigators Workshop of the Helmholtz Virtual Institute "Dynamic... The Virtual Institute explores the governing principles of material’s function in an internationally highly visible centre of excellence. From now on, young scientists (PhD students, master students, and young postdocs) are invited to participate in the ...
The application laboratory "SupraLab@HZB” is funded by the EFRE Fonds.
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7.4 million euros from the EFRE fund: HZB is setting up a new application... Helmholtz-Zentrum Berlin is receiving 7.4 million euros from the European Regional Development Fund (EFRE). The money is being used to set up the application laboratory "SupraLab@HZB” for the advancement of high-current superconducting cavities. These ...
BioRef was transported from HZB on December 19, 2016 and shipped to Australia. The trip will take about two months.
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The BioRef neutron instrument to be set up again at ANSTO in Australia The BioRef neutron instrument commenced its roughly two-month journey from HZB to Australia on December 19, 2016. It will be set up again at the OPAL neutron source there, part of the Australian Nuclear Science and Technology Organisation (ANSTO) in Sydney. ...
The new Energy Materials In-Situ Laboratory (EMIL) offers direct access to hard and soft synchrotron x-ray radiation to investigate the chemical and electronic properties of catalysts and other energy materials.
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Research for Germany’s energy transition: EMIL@BESSY II approved for the... The storage of excess solar and wind power is one of the greatest challenges in Germany’s energy transition. To address this, the German Federal Ministry for Education and Research (BMBF) has created the "Power-to-X” (P2X) project under its ...
The funding will go towards optimising a co-evaporation process at PVcomB used for producing CIGS layers for thin-film solar cells. Photo: HZB
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Speeding up CIGS solar cell manufacture Speeding up CIGS solar cell manufacture
ANSTO: Adi Paterson and Simone Richter, HZB: Prof Anke Kaysser-Pyzalla and Thomas Frederking.
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HZB and ANSTO have extended their Memorandum of Understanding Advancing energy materials research together
SchülerUni: Zwei Mal im Jahren gehören die Hörsäale der Freien Universität Berlin den Schülerinnen und Schülern der 5. und 6. Klasse. Foto: FU Berlin
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HZB-Schülerlabor zu Gast bei der SchülerUni der Freien Universität Berlin Vom 26. bis 30. September 2016 öffnet die Freie Universität Berlin ihren Campus für Berliner Schulen. Unter dem Motto "Lernen für eine zukunftsfähige Welt" bietet sie 80 verschiedene Workshops an und verwandelt Hörsäle und Seminarräume in Mitmachlabore und ...
SEM – model of a metallic nano-network with periodic arrangement ( left) and visual representation of a fractal pattern (right).
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Nanotechnology for energy materials: Electrodes like leaf veins Nano-sized metallic wires are attracting increasing attention as conductive elements for manufacturing transparent electrodes, which are employed in solar cells and touch screen panels. In addition to high electric conductivity, excellent optical ...
The newly developed expert system was used to analyse 364 data sets of a specidfic protein crystal, soaked in different fragments.
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Advancing methodology at BESSY II: Automated evaluation speeds up the search... The macromolecular crystallography (MX) beamlines at the BESSY II X-ray source are specially designed to highly automated structural analyses of protein crystals. With up to now more than 2000 solved structures of protein molecules, these beamlines are by far ...
More than 100 experts did gather at the international conference "Dynamic Pathways in Multidimensional Landscapes", which was held in September in Berlin.
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VI-Conference "Dynamic Pathways in Multidimensional Landscapes 2016" Near the museum island, in the heart of Berlin, the International Conference "Dynamic Pathways in Multidimensional Landscapes 2016" has taken place last week. More than 100 international experts met at the Magnus-Haus of the German Physical Society from 12 ...
Die Wissenschaftsetage im Bildungsforum präsentiert zwei spannende Veranstaltungen zum Thema Nachhaltigkeit in Forschung und Kunst unter Mitwirkung von zwei HZB-Mitarbeitern. Foto: cK. Fritze
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Veranstaltungshinweis: Vortrag Potsdamer Köpfe mit Daniel Abou-Ras und... Am 8. September lädt die Wissenschaftsetage im Bildungsforum Potsdam zu zwei interessanten Veranstaltungen ein. Den Auftakt macht Daniel Abous-Ras um 18 Uhr mit seinem Vortrag: "Das lässt tief blicken – Solarzellen unter dem Mikroskop". Der Physiker ...
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European project for thin film Kesterite Solar cells has reached its goals Eleven partners from different countries have joined forces in the EU-research project KESTCELLS from September 2012 until 31. August 2016. The mission was to train a new generation of experts and to increase the efficiencies of Kesterite solar cells. Now, at ...
Blick in die unterirdische Beschleunigerhalle: Sie verwandelt sich für drei Tage in einen Ausstellungsort für Kunst. Foto: HZB/S.Zerbe
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Kunstausstellung im Beschleuniger-Rohbau des HZB vom 29. bis 31. Juli Malerei, Installation, Foto, Video, Performance: Studierende und bereits etablierte Kunstschaffende stellen in der unterirdischen Teilchenbeschleunigerhalle bERLinPro aus. Das Helmholtz-Zentrum Berlin (HZB) als Bauherr, DGI Bauwerk als Architekten und der ...
Gerriet K. Sharma is setting up the icosahedral loudspeaker, photo: Kristijan Smok (izlog)
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Sound artist Gerriet K. Sharma designs sound sculptures of BESSY VSR From 13 to 19 July 2016, the artist will be recording sounds on location
BFO has a perovskite crystal structure.
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New effect on laser induced switching for higher data densities An international collaboration has now demonstrated a completely new approach to increase data density in storage media. They used ultra-short laser pulses to trigger a phase transition in the ferromagnetic material BaFeO3 (BFO). Experiments at the Femtospex ...
Scanning electron microscopy in combination with EELS electron spectroscopy permits to visualise atomic positions of the individual atoms in the heterostructure: Superconducting regions of YBaCuO are identified by yttrium (blue) and copper (pink), the ferromagnetic layers by manganese (green) and lanthanum (red). Courtesy MPI Stuttgart.
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Coexistence of superconductivity and charge density waves observed
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Call for Applications: 20 doctoral fellowships offered by Graduate School of... SALSA, the Graduate School of Analytical Sciences Adlershof at Humboldt-Universität zu Berlin, is announcing 20 doctoral fellowships. The program offers a structured, three-year period of multidisciplinary research combined with an integrated curriculum in ...
Sebastian Schmidt demonstrating one of the CIGS-Modules.
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HZB receives financial support for improving the manufacturing process for CIGS...
The three-dimensional structural network of the ultra-porous and flexible material called DUT-49 can store large amounts of methane. © TU Dresden, Prof. AC1
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Energy storage materials under pressure Surprising discovery at BESSY II: the adsorption capacity of MOFs does not rise automatically with increasing pressure
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Priority programme for topological insulators begins second funding period Applicants for support funds to conduct research on topological insulators met at HZB Adlershof on February 15th and 16th. This meeting dealt with the second period of funding for the SPP 1666 Priority programme of the German Research Foundation (DFG) that ...
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Young scientist award for Oliver Supplie The Deutsche Gesellschaft für Kristallzüchtung und Kristallwachstum (DGKK) presented Oliver Supplie with the DGKK Young Scientist Award on 16 March 2016. Supplie works at the TU Ilmenau and at the HZB, and accepted the prize worth 2,500 euros during the "1st ...
Flexible CIGS module. Photo
SCIENCE HIGHLIGHT
The solar technologies race: thin-film photovoltaics are catching up ZSW and HZB present current data – with new opportunities for Europe’s solar industry
x-ray diffraction on pure 4T, colored for chrismas reasons.
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Doped organic semiconductors explored Organic semiconductor materials are already being employed today in solar cells and organic LEDs (OLEDs) amongst others. Until now, however, little was known about how the doping molecules are integrated into the chemical structure of organic semiconductors. ...
MXcuBE Meeting from 1st - 2nd of December 2015 at Alba, Barcelona. The meetings make sure that the devenlopment of MXcuBE3 closly fits to the needs of the users. Photo: Jordi Juanhuix/ALBA
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Common platform for macromolecular crystallography at European synchrotrons Researchers use high-intensity X-ray light from synchrotron radiation sources to decipher the structures of biological molecules and thus the blueprints of life. A cooperation agreement has been effective since 2012 to establish common software standards at ...
Photo: HZB/M. Setzpfandt
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ZEISS and the Helmholtz Zentrum Berlin establish partnership Nanotechnology in support of leading research on renewable energy
Prof. Andreas Jankowiak beim Spatenstich für bERLinPro
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rbb-Inforadio: Andreas Jankowiak im Gespräch über bERLinPro Die Baustelle für bERLinPro fällt auf. Sie ist auch dem Wissenschaftsredakteur des rbb-Inforadio, Thomas Prinzler, nicht entgangen. Und so kam es zu einem kurzweiligen Gespräch, in dem Andreas Jankowiak die Herausforderungen des Projekts erläutert. Hohe ...
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Uppsala Berlin Joint Laboratory “Our willingness to cooperate is our strength” Great political interest for the new Uppsala Berlin Joint Laboratory (UBjL): On the 4th of November, Sweden’s ambassador in Germany, Dr. Lars Danielsson, came personally to the HZB where the UBjL is established for the inauguration of the joint project.
HZB scientists develop new methods to investigate the electronic structure of catalytic molecules.
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Catalysis research strengthened: Helmholtz-Zentrum Berlin participates in newly... The Einstein Foundation will fund the new Einstein Center for Catalysis (EC2) beginning in 2016 in which Technical University Berlin (TU Berlin) and selected non-university institutions in Berlin will be participating. Prof. Emad Aziz, head of the HZB ...
Proteinkristalle an BESSY II studieren: Dank eines einmaligen Projektes können Studierende der FU Berlin regelmäßig am Snychrotron experimentieren. Das ist nur einer der sichtbaren Erfolge der Kooperation in der Berliner Strukturbiologie. Foto: Silvia Zerbe/HZB
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Gemeinsames Treffen der Strukturbiologen in Berlin: der 6. Joint-MX-Day am 23.... Die Hauptstadt hat sich in den letzten Jahren zu einem Hotspot der Strukturbiologie in Deutschland entwickelt. Entscheidend dazu beigetragen hat das hohe Maß an Kooperation zwischen außeruniversitären Forschungseinrichtungen und Universitäten. Aber auch ...
New efficiency record: This small device is able to convert 14 percent of the incoming solar energy into hydrogen.
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Hydrogen from sunlight: new efficiency record for artificial photosynthesis An international team has now succeeded in considerably increasing the efficiency for direct solar water splitting. They are using a tandem solar cell whose surfaces have been selectively modified. The new record value is 14 % and thus considerably above the ...
Sara Jäckle has demonstrated the formation of a pn-heterojunction at the interface between an organic contact and n-doped silicon. Photo
SCIENCE HIGHLIGHT
Charge transport in hybrid silicon solar cells An HZB team headed by Prof. Silke Christiansen has made a surprising discovery about hybrid organic/inorganic solar cells. Contrary to expectations, a diode composed of the conductive organic PEDOT:PSS and an n-type silicon absorber material behaves more like ...
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Helmholtz to invest 46 million EUR in new shared laboratory infrastructure Six Helmholtz Centres are founding a shared infrastructure for developing novel energy materials that will also be available to external users.
Sunlight activates the catalytic behavior of diamond materials, thus helping to convert carbon dioxide into fine chemicals and fuels.
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Green solutions with diamond materials: Horizon 2020 invests 3.9 million Euro in research project to convert CO2 into fuels using sunlight and diamond materials
Hexagonal single crystal of SrCo6O11, with a sample diameter of approximately 0,2 millimetres.
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Emergence of a “devil’s staircase” in a spin-valve system A Japanese-German team observes at BESSY II how spins form unusual magnetic structures in a complex cobalt oxide single crystal. Such a material offers new perspectives for spintronic applications.
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Joint Lab BeJEL receives 1.4 million EUR grant The Berlin Joint EPR Laboratory (BeJEL) operated by HZB and Freie Universität Berlin has pulled in six of 27 subprojects within a DFG priority program to address"New Frontiers in Sensitivity for EPR Spectroscopy – from Biological Cells to Nano ...
ANSTO is delivering scientific services and products to government, industry, academia and other research organisations.
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HZB and ANSTO signed MoU In May HZB and the Australian Nuclear Science and Technology Organisation (ANSTO) have signed a high-level scientific cooperation agreement. The objective is to establish a framework and terms of cooperation in the field of neutron scattering science, and ...
Sketch of the "MHz-pulse selector” which moves frictionless in a vacuum at triple sound velocity perpendicular to the beam.
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Wheel with triple sound velocity for pulse selection at BESSY II In order to pick out only one pulse per turn out of the 400 possible x-ray flashes at BESSY II, a joint team of physicists and engineers from Forschungszentrum Jülich, MPI of Microstructure Physics and HZB have developed an extremely fast rotating "MHz-pulse ...
Ultra-high vacuum system in the Energy Materials In-Situ Lab (EMIL) that will combine industry-relevant deposition tools with a suite of complementary advanced characterization methods.
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EU funding strengthens solar cell research at HZB Marcus Bär and his team are participating in two international projects being funded under the EU Horizon 2020 research programme. Both research projects are concerned with development and optimisation of high-efficiency thin-film solar cells based on ...
Anke Kaysser-Pyzalla, Thomas Frederking, Gerhard Sagerer und Stephan Becker (v. l.) unterzeichnen den Kooperationsvertrag.Foto: Universität Bielefeld
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Universität Bielefeld und HZB kooperieren zu Nanoschichten und komplexen... Im Februar 2015 haben Uni-Rektor Professor Dr.-Ing. Gerhard Sagerer, Uni-Kanzler Dr. Stephan Becker und die Geschäftsführer des HZB, Professorin Dr.-Ing. Anke Kaysser-Pyzalla und Thomas Frederking eine Vereinbarung über die Zusammenarbeit unterschrieben. ...
The scanning electron microscopies (SEM) show how regularly the funnels etched in a silicon substrate are arranged (left: the line segment = 5 microns; right: 1 micron). The funnels measure about 800 nanometres in diameter above and run down to about a hundred nanometres at the tip.
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Learning by eye: silicon micro-funnels increase the efficiency of solar cells A biological structure in mammalian eyes has inspired a team headed by Silke Christiansen to design an inorganic counterpart for use in solar cells. With the help of conventional semiconductor processes, they etched micron-sized vertical funnels ...
Dichromium: both chromium atoms "share" the 12 valence electrons which leads to a multible bond.
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Stretch and relax! – Losing one electron switches magnetism on in dichromium An international team of scientists from Berlin, Freiburg and Fukuoka has provided the first direct experimental insight into the secret quantum life of dichromium. Whereas in its normal state the 12 valence electrons form a strong multiple bond between the ...
Schon auf der Eröffnungsveranstaltung war das HZB gut vertreten. Viele Arbeitsgruppen freuen sich nun auf die enge Zusammenarbeit im neuen Joint Lab mit den Kolleginnen und Kollegen aus der Theorie und der Simulation. Foto: Andreas Kubatzki/HZB
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BerOSE - Joint Lab für Modellierung von Nanooptischen Strukturen HZB gründet mit FU Berlin und Zuse Institut Berlin das "Berlin Joint Lab for Optical Simulations for Energy Research (BerOSE)"
This illustrates a moment captured for the first time in experiments at SLAC National Accelerator Laboratory. The CO-molecule and oxygen-atoms are attached to the surface of a ruthenium catalyst. When hit with an optical laser pulse, the reactants vibrate and bump into each other and the carbon atom forms a transitional bond with the lone oxygen center. The resulting CO2 detaches and floats away.
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Details of a crucial reaction: Physicists uncover oxidation process of carbon... An international team has observed the elusive intermediates that form when carbon monoxide is oxidized on a hot ruthenium metal surface. They used ultrafast X-ray and optical laser pulses at the SLAC National Accelerator Laboratory, Menlo Park, California. ...
Artificial catalysts imitate natural photo-synthesis.Image
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The path to artificial photosynthesis HZB researchers describe efficient manganese catalyst capable of converting light to chemical energy
A general view of the VEKMAG end-station. The vector magnet chamber (grey) is supported by a hexapod frame. Below the magnet one can distinguish the detector chamber (green) and in the forward direction the deposition chamber (dark grey) is displayed. The beam quality is monitored by a diagnostic chamber (yellow) positioned in front of the magnet chamber.
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“VEKMAG” at BESSY II creates 3D magnetic fields in samples Together with HZB, teams from the Universität Regensburg, from the Freie Universität Berlin and from the Ruhr Universität Bochum have jointly set up a unique measurement station at BESSY II: a vector electromagnet consisting of three mutually perpendicular ...
The a-Si:H is deposited on a AZO-film that acts as a transparent front contact. A ITO-layer serves as rear contact. The organic sub-cell possesses a front contact made of a conductive polymer material (PEDOT) and a metallic rear contact.
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Maximum efficiency, minimum materials and complexity Silicon-based thin-film solar cell with a supplementary organic layer can utilise infrared light as well
Prof. Dr. Oguz Okay lehrt Physikalische Chemie an der Istanbul Technical University und gilt als einer der besten Polymerforscher der Türkei. Nun kommt er als Gast ans HZB.
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Georg-Forster-Forschungspreis an Oguz Okay Die Alexander von Humboldt-Stiftung hat gestern acht mit jeweils 60.000 Euro dotierten Georg Forster-Forschungspreise vergeben. Unter den Preisträgern ist Prof. Dr. Oguz Okay (59), Istanbul Technical University, der nun für einen Gastaufenthalt an das ...
The new organic material is able to "add up” low-energy photons (red) to yield higher-energy light (blue), which can then be harvested by the solar cell.
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Organic layer adds light particles Solar cells can only use photons with energies above a specific threshold to generate electricity. A German-Australian research collaboration has now combined solar cells with an organic material which can "add up” low-energy photons to yield ...
Logo der Jahrestagung FVEE 2014
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Jahrestagung des ForschungsVerbund Erneuerbare Energien Unter dem Motto "Forschung für die Energiewende – Phasenübergänge aktiv gestalten" fand am 7. und 8. November die Jahrestagung des ForschungsVerbund Erneuerbare Energien (FVEE) im Umweltforum Berlin statt. Vertreter aus Wissenschaft und Politik ...
Das HZB beteiligt sich am Aufbau zweier Studiengänge an derTürkisch-Deutschen Universität in Istanbul. www.tau.edu.tr
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Deutsch-Türkische Universität am HZB zu Gast Vizerektor und Dekan der Naturwissenschaftlichen Fakultät besuchte mehrere Institute des HZB
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Tailored Disorder: Priority Programme starts with Kick-off-Meeting
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German Society for Materials Science awards publication with HZB scientist as co-author At its annual conference on September 22, 2014, the German Society for Materials Science (DGM), presented the Werner Köster Award for best publication. The work, whose authors include HZB scientist Dr. Michael Tovar and which has been published in the ...
Cryogenic TEM micrograph of gold nanoparticles (Au-NP) in DES-solvent. Sputtering duration 300 s. Red circles show the different domains of self-assembled Au-NPs. The inset shows an enlarged image of one particular domain of self-assembled Au-NPs.
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Self-assembly of gold nanoparticles into small clusters Researchers at HZB in co-operation with Humboldt-Universität zu Berlin (HU, Berlin) have made an astonishing observation: they were investigating the formation of gold nanoparticles in a solvent and observed that the nanoparticles had not distributed ...
Ammonium tungstate/PSS film surface: (a) SEM picture before pyrolysis; (b & c) SEM picture after pyrolysis.
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Collecting light with artificial moth eyes Scientists at EMPA in Zürich and University of Basel have developed a photoelectrochemical cell, recreating a moth’s eye to drastically increase its light collecting efficiency. The cell is made of cheap raw materials – iron and tungsten oxide. ...
SEM image of the membrane.
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“Muscled skin”: Simple formulas describe complex behaviors HZB researchers help chemists understand polymeric "biomimetic" materials' mechanical properties
When inserting an ultrathin dielectric between metal electrode and organic semiconductor, charge carriers (shown here for a positively charged holes in red) are, counter intuitively, more efficiently extracted from their transport level (blue) in the organic to the Fermi level (black) in the metal than without the interlayer.
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Electrostatics do the trick A simple model describes what happens between organic semiconductors and metals
Röntgenbild eines flüssigen Metallschaums in Schwerelosigkeit
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In Schwerelosigkeit Metalle geschäumt Erfolgreich haben drei Forscher des Berliner Hahn-Meitner-Instituts (HMI) in Schwerelosigkeit untersucht, wie die Erdanziehung die Eigenschaften eines Metallschaums beeinflusst. Sie haben ihre Experimente in einem umgebauten Airbus 300 durchgeführt. Das ...
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Qumran-Rollen vom Toten Meer an BESSY II untersucht Antike Schriftstücke vor dem Verfall zu bewahren oder sie zu restaurieren ist eine Kunst für sich. Um sie auszuüben, ist es von enormer Bedeutung herauszufinden, wie beispielsweise Pergament durch bestimmte Tinten über die Jahrhunderte zerstört wird; und wie ...
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Grünes Licht für die Fusion von HMI und BESSY Hahn-Meitner-Insitut und BESSY begrüßen die Entscheidung von BMBF und Berliner Senat
Modell des Hochfeldmagneten im Maßstab 1:5
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Der weltweit stärkste Magnet für Neutronenexperimente wird in Berlin errichtet Der Kooperationsvertrag zwischen dem Hahn-Meitner-Institut Berlin (HMI) und dem National High Magnetic Field Laboratory (NHMFL) Tallahassee (Florida State University) zum Bau eines neuen Hochfeldmagneten ist unterzeichnet worden. Er wird der weltweit stärkste ...
NACHRICHT
Kompetenzzentrum Dünnschicht- und Nanotechnologie für Photovoltaik wird in Berlin aufgebaut Das Hahn-Meitner-Institut (HMI), die Technische Universität Berlin (TUB) sowie acht führende Industrie-Unternehmen unterzeichnen ein Memorandum of Understanding (MoU) zur Gründung des Kompetenzzentrum Dünnschicht- und Nanotechnologie für Photovoltaik.
NACHRICHT
EU-Projekt ATHLET will Dünnschichtsolarzellen an den Markt bringen Die Kostensenkung von Solarzellen ist die zentrale Herausforderung der modernen Photovoltaik. In Berlin startet am 20. Februar das europaweit größte Forschungsprojekt, das sich dieser Herausforderung stellt. Universitäten, Forschungseinrichtungen und ...
NACHRICHT
HMI und BESSY feiern Fertigstellung von zwei Neubauten in Berlin-Adlershof Das Hahn-Meitner-Institut (HMI) und die Berliner Elektronenspeicherring-Gesellschaft für Synchrotronstrahlung (BESSY) feiern am 4. Oktober um 14 Uhr mit einer Festveranstaltung die Einweihung von zwei Anbauten am Hauptgebäude neben dem Elektronenspeicherring ...
NACHRICHT
Zwei berühmte Gemälde mit Neutronen untersucht: "St. Sebasian" von George de La Tour und "Girl with a Platter of Fruits" von Tiziano Vecellio In Kooperation mit der Gemäldegalerie Berlin und der Stiftung Preußischer Schlösser und Gärten Berlin-Brandenburg sind am Forschungsreaktor BER II zwei Gemälde untersucht worden. Seit vielen Jahren wird ein spezielles Neutroneninstrument zur zerstörungsfreien ...