Approach to Magnetic Saturation of Amorphous Gd_<80>Si_<12>B_8

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概要

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• We present the magnetization study of a melt-spun amorphous alloy Gd_<80>Si_<12>B_8 at 4.5 K in magnetic field up to 5.5 T. The ratio of the random magnetic anisotropy constant to the exchange interaction constant is estimated at 0.176. In the intermediate field region the magnetization approaches to saturation as B^<-1/2> owing to a weak random magnetic anisotropy where B is a magnetic field. The random magnetic anisotropy correlates over 1.0nm, while the ferromagnetic correlation length is 4.1nm. We discuss the random magnetic anisotropy of Gd_<80>Si_<12>B_8 by comparing with other Gd-based amorphous magnets.

• 社団法人日本磁気学会の論文
• 1999-01-20

著者

• Kurisu Makio

  Japan Advanced Institute Of Science And Technology

• Nakai Ikuo

  Department Of Electrical And Electonic Engineering Tottori University

• Ishio Shunji

  Department Of Applied Physics Tohoku University

• Isio Shunji

  Department of Materials Science, Akita University

• Isio Shunji

  Department Of Materials Science Akita University

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