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Brillouin light scattering characterizations in thin cobalt films: temperature dependence
Author(s) -
Kim Jung Gi,
Han Kyung Hunn,
Cho Jae Hun,
Lee Sukmock
Publication year - 2004
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200304535
Subject(s) - deposition (geology) , coercivity , brillouin scattering , sputter deposition , materials science , brillouin zone , thin film , cobalt , light scattering , spin wave , condensed matter physics , scattering , analytical chemistry (journal) , sputtering , optics , nuclear magnetic resonance , chemistry , nanotechnology , metallurgy , ferromagnetism , physics , optical fiber , paleontology , sediment , biology , chromatography
The magnetic and elastic properties of cobalt films with a thickness of 60 nm, prepared by dc magnetron sputtering and deposited at different deposition temperatures, were studied using Brillouin light scattering and a vibrating sample magnetometer. The coercivity was a minimum at about 5 Oe, for a deposition temperature of 80 °C. The full width of the spin wave mode for a deposition temperature of 80 °C was also smaller than any of those for different deposition temperatures. The spin wave stiffness constant D and the elastic constant c 44 increased as the deposition temperature increased. (© 2004 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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