CRYSTAL-STRUCTURE AND LOW-TEMPERATURE MAGNETIC-PROPERTIES OF MELT-SPUN SM2CO7B3 COMPOUNDS

被引：2
|
作者：
YANG, CJ
LEE, WY
CHOI, SD
机构：
[1] Electromagnetic Materials Laboratory, Research Institute of Industrial Science and Technology, 790-330 Pohang
来源：
JOURNAL OF APPLIED PHYSICS | 1994年 / 75卷 / 10期
关键词：
D O I：
10.1063/1.355422
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Low-temperature magnetic properties and crystal structures of melt-spun Sm2Co7B3 compound were characterized. The magnetic measurements in the temperature range 77-450 K indicated that a spin reorientation took place at about 150-160 K. A huge anisotropy was observed (H(a) = 1 3 5 kOe at 300 K, 725 kOe at 77 K) for Sm2Co7B3, although the magnetic moment is rather low. The crystal structure of the SM2Co7B3 compound was analyzed in detail by Rietveld analysis of powder diffraction for the first time, and revealed that B(4h) atoms are not placed in the Sm(2e) layer but in between the Sm(2e) and Co(6i1) layers.
引用
收藏
页码：6274 / 6276
页数：3
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