Random anisotropy studies in amorphous Co-Tb ribbons

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• 作者：Hassanain ; N. ; Berrada ; A. ; Krishnan ; R. ; Lassri ; H.
• 刊名：Journal of Magnetism and Magnetic Materials
• 出版年：1995
• 期刊代码：31_03048853
• 类别：ph
• 出版时间：February, 1995
• 卷：140-144
• 期：Part 1
• 页码：337-338
• 文件大小：110 K

摘要

Amorphous Co_1−xTb_x ribbons with x = 0.45, 0.55 and 0.65 have been prepared by melt spinning technique. Magnetization measurements were carried out at 4.2 K, under magnetic fields up to 150 kOe. The Co moment is found to be very small and the Tb moment is 7.15μ_B at 4.2 K, which indicates a speromagnetic spin structure. Using Chudnovsky's theory we have extracted some fundamental magnetic parameters.