THE INFLUENCE OF MAGNETIC-ANISOTROPY ON THE MAGNETIZATION OF SMALL FERROMAGNETIC PARTICLES

被引:54
作者
HANSON, M [1 ]
JOHANSSON, C [1 ]
MORUP, S [1 ]
机构
[1] TECH UNIV DENMARK,APPL PHYS LAB,DK-2800 LYNGBY,DENMARK
关键词
D O I
10.1088/0953-8984/5/6/009
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We calculated the magnetization of small ferromagnetic particles with uniaxial anisotropy. The numerical data were compared with experimental results for a magnetic liquid consisting of small amorphous Fe0.75C0.25 particles in decalin. From the comparison an anisotropy constant K congruent-to 3 x 10(5) J m-3 was estimated.
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页码:725 / 732
页数:8
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