Spin Wave Contribution to the Nuclear Spin-Lattice Relaxation in Ferromagnetic CuCr_2S_4 and β_1-MnZn

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概要

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• The nuclear spin-lattice relaxation times T. for Cu" and Mn" in metallicferromagnets CuCrzS. and p.-MnZn have been nteasu?'ed as a function oftemperature. The nuclear relaxation rates T7' for ntxclei in domains show large deviationsfrom 7".7'=constant at high teuaaperature, where T is the tencperature, and satisfyT7' =aT-f-bT" with a=0.38, b=4.S x 10-' and 77=3.5:E0.2 for Cu" in CuCrzS?and a=2.3, 6=0.70x 10-' and w=4.0f0.2 for Mn" in /7r-MnZn. The nuclearrelaxation is due to the process involving itinerant electrons in the low tempera-ture region and predominantly due to the three-magnon process in the hightemperature reguon.

• 社団法人日本物理学会の論文
• 1977-03-15

著者

• Yamaguchi Masato

  Department of Cardiology, Fukui Prefectural Hospital

• HIHARA Tadamiki

  Faculty of Integrated Arts and Sciences, Hiroshima University

• Hihara Tadamiki

  Faculty Of Integated Arts And Sciences Hiroshima University

• Yamaguchi Masato

  Department Of Physics Faculty Of Science Tohoku University:musashino Works Hitachi Ltd.

• ENOKIYA Hirochika

  Department of Physics,Faculty of Science,Kagoshima University

• Enokiya Hirochika

  Department Of Physics Faculty Of Science Kagoshima University

• Yamaguchi Masato

  Department Of Cardiology Fukui Prefectural Hospital

• Hihara Tadamiki

  Faculty of Integrated Arts and Sciences,Hiroshima University

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