20 participants join the first Photon School at HZB
From 14 to 24 March, the first Photon School takes place at HZB. 20 students from 8 countries get an unique opportunity for a first-hand training covering a wide range of experimental and theoretical methods for probing the molecular structure, function, and dynamics of complex material systems. Leading experts from all fields of spectroscopy give lectures, share their latest results, and present future research strategies.
The Photon School comprises of a 5 days learning course and 4 days hands-on measurements in small groups at several experimental stations at HZB and at the Laser Lab at Freie Universität Berlin. The Photon School includes a one-day simulation exercise where participants perform standard calculations of spectra, and develop an understanding of how experimentalists and theoreticians work together.
The school is intended for students in chemistry, physics, and physical chemistry. Although it is the first Photon School at HZB, there was a strong demand for the 20 places (more than 150 applications). It is organized by the institute “Methods for Material Development” of HZB.
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https://www.helmholtz-berlin.de/pubbin/news_seite?nid=14633;sprache=en
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Alternating currents for alternative computing with magnets
A new study conducted at the University of Vienna, the Max Planck Institute for Intelligent Systems in Stuttgart, and the Helmholtz Centers in Berlin and Dresden takes an important step in the challenge to miniaturize computing devices and to make them more energy-efficient. The work published in the renowned scientific journal Science Advances opens up new possibilities for creating reprogrammable magnonic circuits by exciting spin waves by alternating currents and redirecting these waves on demand. The experiments were carried out at the Maxymus beamline at BESSY II.
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BESSY II: Heterostructures for Spintronics
Spintronic devices work with spin textures caused by quantum-physical interactions. A Spanish-German collaboration has now studied graphene-cobalt-iridium heterostructures at BESSY II. The results show how two desired quantum-physical effects reinforce each other in these heterostructures. This could lead to new spintronic devices based on these materials.
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Green hydrogen: MXenes shows talent as catalyst for oxygen evolution
The MXene class of materials has many talents. An international team led by HZB chemist Michelle Browne has now demonstrated that MXenes, properly functionalised, are excellent catalysts for the oxygen evolution reaction in electrolytic water splitting. They are more stable and efficient than the best metal oxide catalysts currently available. The team is now extensively characterising these MXene catalysts for water splitting at the Berlin X-ray source BESSY II and Soleil Synchrotron in France.