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Non-standing spin-waves in confined micrometer-sized ferromagnetic structures under uniform excitation / S. Pile, T. Feggeler, T. Schaffers [et al.] // Appl. Phys. Lett. - 2020. - Vol. 116, Is. 7. - Ст. 072401, DOI 10.1063/1.5139881. - Cited References: 37. - The use of the Stanford Synchrotron Radiation Lightsource, SLAC National Accelerator Laboratory, is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Contract No. DE-AC02-76SF00515. The authors would like to thank the Austrian Science Foundation (FWF), Project No. I-3050 as well as the German Research Foundation (DFG), Project No. OL513/1-1 for financial support. K.O., H.W., B.Z and M.F. acknowledge additional funding from Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – Project-ID 405553726 – TRR 270 and B.Z and M.F. acknowledge additional funding from Research Grant No. 075-15-2019-1886 from the Government of the Russian Federation
. - ISSN 0003-6951
Кл.слова (ненормированные):
Ferromagnetic materials -- Ferromagnetic resonance -- Ferromagnetism -- Iron alloys -- Magnetic logic devices -- Micrometers -- Nickel alloys -- Permalloy
Аннотация: A non-standing characteristic of directly imaged spin-waves in confined micrometer-sized ultrathin Permalloy (Ni80Fe20) structures is reported along with evidence of the possibility to alter the observed state by modifications to the sample geometry. Using micromagnetic simulations, the presence of the spin-wave modes excited in the Permalloy stripes along with the quasi-uniform modes was observed. The predicted spin-waves were imaged in direct space using time resolved scanning transmission X-ray microscopy, combined with a ferromagnetic resonance excitation scheme (STXM-FMR). STXM-FMR measurements revealed a non-standing characteristic of the spin-waves. Also, it was shown by micromagnetic simulations and confirmed using STXM-FMR results that the observed characteristic of the spin-waves can be influenced by the local magnetic fields in different sample geometries.
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Держатели документа:
Institute of Semiconductor and Solid State Physics, Johannes Kepler University Linz, Linz, 4040, Austria
Faculty of Physics and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Duisburg, 47057, Germany
Ernst Ruska-Centrum fur Mikroskopie und Spektroskopie Mit Elektronen, Forschungszentrum Julich GmbH, Julich, D-52425, Germany
Kirensky Institute of Physics, Federal Research Center Ksc Sb Ras, Krasnoyarsk, 660036, Russian Federation
Stanford Synchrotron Radiation Laboratory, Slac National Accelerator Laboratory, Menlo Park, CA 94025, United States
Department of Physics, University of California Santa Cruz, Santa Cruz, CA 95064, United States
Department of Applied Physics, Aalto University School of Science, NanoSpin, P.O. Box 15100, Aalto, FI-00076, Finland
Lawrence Berkeley National Laboratory, Advanced Light Source, Berkeley, CA 94720, United States
Department of Material Sciences and Engineering, Stanford University, Stanford, CA 94305, United States
Доп.точки доступа:
Pile, S.; Feggeler, T.; Schaffers, T.; Meckenstock, R.; Buchner, M.; Spoddig, D.; Zingsem, B.; Ney, V.; Farle, M.; Фарле, Михаель; Wende, H.; Ohldag, H.; Ney, A.; Ollefs, K.
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