Soft X-ray fs-to-ps pulsed undulator radiation variable polarization with Zone Plate Mono for FEMTOS



Kumberg, I.; Golias, E.; Pontius, N.; Hosseinifar, R.; Frischmuth, K.; Gelen, I.; Shinwari, T.; Thakur, S.; Schüßler-Langeheine, C.; Oppeneer, PM..; Kuch, W.: Accelerating the laser-induced demagnetization of a ferromagnetic film by antiferromagnetic order in an adjacent layer. , Physical Review B 102 (2020), p. 214418/1-8

Windsor, Y.W.; Ernst, A.; Kummer, K.; Kliemt, K.; Schüßler-Langeheine, C.; Pontius, N.; Staub, U.; Chulkov, E.V.; Krellner, C.; Vyalikh, D.V.; Rettig, L.: Deterministic control of an antiferromagnetic spin arrangement using ultrafast optical excitation. , Communications Physics 3 (2020), p. 139/1-8

Vidas, L.; Schick, D.; Martínez, E.; Perez-Salinas, D.; Ramos-Álvarez, A.; Cichy, S.; Batlle-Porro, S.; Johnson, A.; Hallman, K.; Haglund, R.; Wall, S.: Does VO2 Host a Transient Monoclinic Metallic Phase? , Physical Review X 10 (2020), p. 031047/1-12


Rothenbach, N.; Gruner, M.E.; Ollefs, K.; Schmitz-Antoniak, C.; Salamon, S.; Zhou, P.; Li, R.; Mo, M.; Park, S.; Shen, X.; Weathersby, S.; Yang, J.; Wang, X.J.; Pentcheva, R.; Wende, H.; Bovensiepen, U.; Sokolowski-Tinten, K.; Eschenlohr, A.: Microscopic nonequilibrium energy transfer dynamics in a photoexcited metal/insulator heterostructure. , Physical Review B 100 (2019), p. 174301/1-11

Ferté, T.; Bergeard, N.; Malinowski, G.; Terrier, E.; Le Guyader, L.; Holldack, K.; Hehn, M.; Boeglin, C.: Ultrafast demagnetization in buried Co80Dy20 as fingerprint of hot-electron transport. , Journal of Magnetism and Magnetic Materials 485 (2019), p. 320-324


Ferté, T.; Bergeard, N.; Le Guyader, L.; Hehn, M.; Malinowski, G.; Terrier, E.; Otero, E.; Holldack, K.; Pontius, N.; Boeglin, C.: Element-resolved ultrafast demagnetization rates in ferrimagnetic CoDy. , Physical Review B 96 (2017), p. 134303-8

Thielemann-Kühn, Nele: Optically induced ferro- and antiferromagnetic dynamics in the rare-earth metal dysprosium = Optisch induzierte ferro- und antiferromagnetische Dynamik im Seltenerdmetall Dysprosium. , Universität Potsdam, 2017

Eschenlohr, A.; Persichetti, L.; Kachel, T.; Gabureac, M.; Gambardella, P.; Stamm, C.: Spin currents during ultrafast demagnetization of ferromagnetic bilayers. , Journal of Physics / Condensed Matter 29 (2017), p. 384002/1-8

Jal, E.; López-Flores, V.; Pontius, N.; Ferté, T.; Bergeard, N.; Boeglin, C.; Vodungbo, B.; Lüning, J.; Jaouen, N.: Structural dynamics during laser-induced ultrafast demagnetization. , Physical Review B 95 (2017), p. 184422/1-8

Thielemann-Kühn, Nele; Schick, Daniel; Pontius, Niko; Trabant, Christoph; Mitzner, Rolf; Holldack, Karsten; Zabel, Hartmut; Föhlisch, Alexander; Schüßler-Langeheine, Christian: Ultrafast and Energy-Efficient Quenching of Spin Order: Antiferromagnetism Beats Ferromagnetism. , Physical Review Letters 119 (2017), p. 197202/1-6


Tsuyama, T.; Chakraverty, S.; Macke, S.; Pontius, N.; Schüßler-Langeheine, C.; Y., H.; Tokura, Y.; Wadati, H.: Photoinduced Demagnetization and Insulator-to-Metal Transition in Ferromagnetic Insulating BaFeO3 Thin Films. , Physical Review Letters 116 (2016), p. 256402/1-5

Baumgärtel, P.; Witt, M.; Baensch, J.; Fabarius, M.; Erko, A.; Schäfers, F.; Schirmacher, H.: RAY-UI: A Powerful and Extensible User Interface for RAY. , AIP Conference Proceedings 1741 (2016), p. 040016/1-4

Pontius, N.; Holldack, K.; Schüßler-Langeheine, C.; Kachel, T.; Mitzner, R.: The FemtoSpeX facility at BESSY II. , Journal of Large Scale Research Facilities JLSRF 2 (2016), p. A-46

Schick, D.; Eckert, S.; Pontius, N.; Mitzner, R.; Föhlisch, A.; Holldack, K.; Sorgenfrei, F.: Versatile soft X-ray-optical cross-correlator for ultrafast applications. , Structural Dynamics 3 (2016), p. 054304/1-8


Bergeard, N.; Lopez-Flores, V.; Halte, V.; Hehn, M.; Stamm, C.; Pontius, N.; Beaurepaire, E.; Boeglin, C.: Element- and time-resolved dynamics in rare-earth/transition metals alloys. , In: Bigot, J.-Y., Hübner, W., Rasing, T., Chantrell, R. (eds.) [Ed.] : Ultrafast Magnetism I : proceedings of the International Conference UMC 2013 Strasbourg, France, October 28th - November 1st, 2013. Amsterdam: Springer , 2015 (Springer Proceedings in Physics). - ISBN 978-3-319-07742-0, p. 310-312

Radu, I.; Stamm, C.; Eschenlohr, A.; Radu, F.; Abrudan, R.; Vahaplar, K.; Kachel, T.; Pontius, N.; Mitzner, R.; Holldack, K.; Föhlisch, A.; Evans, R. F. L.; Ostler, T. A.; Mentink, J.; Chantrell, R. W.; Tsukamoto, A.; Itoh, A.; Kirilyuk, A.; Kimel, A. V.; Rasing, Th.: Engineering Ultrafast Magnetism. , In: Jean-Yves Bigot ... [Ed.] : Ultrafast Magnetism I : proceedings of the International Conference UMC 2013 Strasbourg, France, October 28th - November 1st, 2013. Berlin: Springer, 2015 (Springer Proceedings in Physics ; 159). - ISBN 978-3-319-07743-7, p. 297-299

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Radu, I.; Stamm, C.; Eschenlohr, A.; Radu, F.; Abrudan, R.; Vahaplar, K.; Kachel, T.; Pontius, N.; Mitzner, R.; Holldack, K.; Föhlisch, A.; Ostler, T.A.; Mentink, J.H.; Evans, R.F.L.; Chantrell, R.W.; Tsukamoto, A.; Itoh, A.; Kirilyuk, A.; Kimel, A.V.; Rasing, Th.: Ultrafast and Distinct Spin Dynamics in Magnetic Alloys. , Spin 5 (2015), p. 1550004/1-10


Holldack, K.; Bahrdt, J.; Balzer, A.; Bovensiepen, U.; Brzhezinskaya, M.; Erko, A.; Eschenlohr, A.; Follath, R.; Firsov, A.; Frentrup, W.; Le Guyader, L.; Kachel, T.; Kuske, P.; Mitzner, R.; Mueller, R.; Pontius, N.; Quast, T.; Radu, I.; Schmidt, J.-S.; Schuessler-Langeheine, C.; Sperling, M.; Stamm, C.; Trabant, C.; Föhlisch, A.: FemtoSpeX: a versatile optical pump-soft X-ray probe facility with 100 fs X-ray pulses of variable polarization. , Journal of Synchrotron Radiation 21 (2014), p. 1090-1104

Eschenlohr, A.; Sultan, M.; Melnikov, A.; Bergeard, N.; Wieczorek, J.; Kachel, T.; Stamm, C.; Bovensiepen, U.: Role of spin-lattice coupling in the ultrafast demagnetization of Gd1-xTbx alloys. , Physical Review B 89 (2014), p. 214423/1-9

Bergeard, N.; López-Flores, V.; Halté, V.; Hehn, M.; Stamm, C.; Pontius, N.; Beaurepaire, E.; Boeglin, C.: Ultrafast angular momentum transfer in multisublattice ferrimagnets. , Nature Communications 5 (2014), p. 3466/1-7

Trabant, Christoph: Ultrafast photoinduced phase transitions in complex materials probed by time-resolved resonant soft x-ray diffraction. , Universität Potsdam, 2014


Brzhezinskaya, M.; Firsov, A.; Holldack, K.; Kachel, T.; Mitzner, R.; Pontius, N.; Schmidt, J.-S.; Sperling, M.; Stamm, C.; Föhlisch, A.; Erko, A.: A novel monochromator for experiments with ultrashort X-ray pulses. , Journal of Synchrotron Radiation 20 (2013), p. 522-530

Brzhezinskaya, M.; Firsov, A.; Holldack, K.; Kachel, T.; Mitzner, R.; Pontius, N.; Stamm, C.; Schmidt, J.-S.; Foehlisch, A.; Erko, A.: A Novel monochromator for ultrashort soft X-ray pulses. , Proceedings of SPIE 8777 (2013), p. 87771J/1-8

Lopez-Flores, V.; Bergeard, N.; Halte, V.; Stamm, C.; Pontius, N.; Hehn, M.; Otero, E.; Beaurepair, E.; Boeglin, C.: Role of critical spin fluctuations in ultrafast demagnetization of transition-metal rare-earth alloys. , Physical Review B 87 (2013), p. 214412/1-7

de Jong, S.; Kukreja, R.; Trabant, C.; Pontius, N.; Chang, C.F.; Kachel, T.; Beye, M.; Sorgenfrei, F.; Back, H.C.; Bräuer, B; Schlotter, W.F.; Turner, J.J.; Krupin, O.; Doehler, M.; Zhu, D.; Hossain, M.A.; Scherz, A.O.; Fausti, D.; Novelli, F.; Esposito, M.; Lee, W.S.; Chuang, Y.D.; Lu, D.H.; Moore, R.G.; Yi, M.; Trigo, M.; Kirchmann, P.; Pathey, L.; Golden, M.S.; Buchholz, M.; Metcalf, P.; Parmigiani, F.; Wurth, W.; Föhlisch, A.; Schüßler-Langeheine, C.; Dürr, H.A.: Speed limit of the insulator-metal transition in magnetite. , Nature Materials 12 (2013), p. 882

Firsov, A.; Brzhezinskaya, M.; Loechel, H.; Siewert, F.; Erko, A.: The impact of novel 3D diffraction optics development. , Proceedings of SPIE 8777 (2013), p. 877713/1-6

Trabant, C.; Pontius, N.; Schierle, E.; Weschke, E.; Kachel, T.; Springholz, G.; Holldack, K.; Föhlisch, A.; Schüßler-Langeheine, C.: Time and momentum resolved resonant magnetic x-ray diffraction on EuTe. , EPJ Web of Conferences 41 (2013), p. 03014/1-3

Eschenlohr, A.; Battiato, M.; Maldonado, P.; Pontius, N.; Kachel, T.; Holldack, K.; Mitzner, R.; Föhlisch, A.; Oppeneer, P.M.; Stamm, C.: Ultrafast spin transport as key to femtosecond demagnetization. , Nature Materials 12 (2013), p. 332-336


Eschenlohr, A.: Element-resolved Ultrafast Magnetization Dynamics in Ferromagnetic Alloys and Multilayers. , Potsdam, Universität Potsdam, Diss., 2012, 2012 (Schriftenreihe des HZB - Examensarbeiten ; HZB-B 39)

López-Flores, V.; Arabski, J.; Stamm, C.; Halté, V.; Pontius, N.; Beaurepaire, E.; Boeglin, C.: Time-resolved x-ray magnetic circular dichroism study of ultrafast demagnetization in a CoPd ferromagnetic film excited by circularly polarized laser pulse. , Physical Review B 86 (2012), p. 014424/1-6

Radu, I.; Vahaplar, K.; Stamm, C.; Kachel, T.; Pontius, N.; Radu, F.; Abrudan, R.; Dürr, H.; Ostler, T.; Barker, J.; Evans, R.; Chantrell, R.; Tsukamoto, A.; Itoh, A.; Kirilyuk, A.; Rasing, T.; Kimel, A.: Ultrafast Magnetism as Seen by X-rays. , Proceedings of SPIE 8260 (2012), p. 82601M/1-9


Wernet, P.; Gaudin, J.; Godehusen, K.; Schwarzkopf, O.; Eberhardt, W.: Femtosecond time-resolved photoelectron spectroscopy with a vacuum-ultraviolet photon source based on laser high-order harmonic generation. , Review of Scientific Instruments 82 (2011), p. 063114/1-12

Wietstruk, M.; Melnikov, A.; Stamm, C.; Kachel, T.; Pontius, N.; Sultan, M.; Gahl, C.; Weinelt, M.; Duerr, H.A.; Bovensiepen, U.: Hot-Electron-Driven Enhancement of Spin-Lattice Coupling in Gd and Tb 4f Ferromagnets Observed by Femtosecond X-Ray Magnetic Circular Dichroism. , Physical Review Letters 106 (2011), p. 127401/1-4

Radu, I.; Vahaplar, K.; Stamm, C.; Kachel, T.; Pontius, N.; Dürr, H.A.; Ostler, T.A.; Barker, J.; Evans, R.F.L.; Chantrell, R.W.; Tsukamoto, A.; Itoh, A.; Kirilyuk, A.; Rasing, Th.; Kimel, A.V.: Transient ferromagnetic-like state mediating ultrafast reversal of antiferromagnetically coupled spins. , Nature 472 (2011), p. 205-208


Boeglin, C.; Beaurepaire, E.; Halte, V.; Lopez-Flores, V.; Stamm, C.; Pontius, N.; Duerr, H.A.; Bigot, J.-Y.: Distinguishing the ultrafast dynamics of spin and orbital moments in solids. , Nature 465 (2010), p. 458-U78

Stamm, C.; Pontius, N.; Kachel, T.; Wietstruk, M.; Dürr, H.A.: Femtosecond x-ray absorption spectroscopy of spin and orbital angular momentum in photoexcited Ni films during ultrafast demagnetization. , Physical Review B 81 (2010), p. 104425/1-4

Radu, I.; Stamm, C.; Pontius, N.; Kachel, T.; Ramm, P.; Thiele, J.-U.; Dürr, H.A.; Back, C.H.: Laser-induced generation and quenching of magnetization on FeRh studied with time-resolved x-ray magnetic circular dichroism. , Physical Review B 81 (2010), p. 104415/1-5

Erko, A.; Firsov, A.; Holldack, K.: New Developments in Femtosecond Soft X-ray Spectroscopy. , In: SRI 2009 : the 10th International Conference on Synchrotron Radiation Instrumentation ; Melbourne, Australia, 27 September - 2 October 2009 . Melville, NY: American Inst. of Physics, 2010 (AIP Conference Proceedings ; 1234). - ISBN 978-0-7354-0782-4, p. 177-180

Holldack, K.; Pontius, N.; Schierle, E.; Kachel, T.; Soltwisch, V.; Mitzner, R.; Quast, T.; Springholz, G.; Weschke, E.: Ultrafast dynamics of antiferromagnetic order studied by femtosecond resonant soft x-ray diffraction. , Applied Physics Letters 97 (2010), p. 062502


Kachel, T.; Pontius, N.; Stamm, C.; Wietstruk, M.; Aziz, E. F.; Duerr, H. A.; Eberhardt, W.; de Groot, F. M. F.: Transient electronic and magnetic structures of nickel heated by ultrafast laser pulses. , Physical Review B 80 (2009), p. 092404

Stamm, C.; Pontius, N.; Kachel, T.; Holldack, K.; Quast, T.; Mitzner, R.; Khan, S.; Wietstruk, M.; Duerr, H.A.; Eberhardt, W.: X-ray Absorption Spectroscopy on the fs Time Scale: Ultrafast Electron and Spin Dynamics in Nickel. , In: ed. by Paul Corkum ... [Ed.] : Ultrafast Phenomena XVI. Berlin: Springer, 2009 (Springer Series in Chemical Physics ; 92) . - ISBN 978-3-540-95946-5 , p. 194-196