Spin Wave Behavior in the Magnetization of an Amorphous Ferromagnet Gd_<67>Ni_<33>

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概要

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• We have made precise measurements of the magnetization on an amorphous ferromagnet Gd_<67>Ni_<33> below 300 K in fields up to 5.27 T. The magnetization obeys the simple spin wave T^<3/2> law below about 90 K. The spin wave stiffness constant thus obtained is independent of magnetic fields and temperatures. The susceptibility follows the Curie-Weiss law above about 220 K. The amorphous Gd_<67>Ni_<33> alloy is a typical example of Heisenberg ferromagnet such as amorphous Gd_<68>Cu_<32> reported previously.

• 社団法人日本物理学会の論文
• 1993-07-15

著者

• Nakai Ikuo

  Department Of Electrical And Electonic Engineering Tottori University

• Nakai Ikuo

  Department Of Physics Faculty Of General Education Tottori University

• Fukagawa T

  Okayama Univ. Okayama Jpn

• Fukagawa Tomoki

  Department Of Physics Faculty Of Science Okayama University

• Nakai Ikuo

  Department of Physics, Faculty of General Education, Tottori University

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• Field Dependence of the Magnetization for an Amorphous Ferrimagnet Gd_Co_
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