Magnetic force microscopy study of nanocrystalline Fe91Zr7B2 soft magnetic alloy

被引：12
|
作者：
Suzuki, K
Wexler, D
Cadogan, JM
Sahajwalla, V
Inoue, A
Masumoto, T
机构：
[1] UNIV WOLLONGONG,DEPT MAT ENGN,WOLLONGONG,NSW 2500,AUSTRALIA
[2] UNIV NEW S WALES,SCH PHYS,SYDNEY,NSW 2052,AUSTRALIA
[3] TOHOKU UNIV,INST MAT RES,SENDAI,MIYAGI 98077,JAPAN
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1997年 / 226卷
关键词：
nanocrystalline soft magnetic alloys; Fe-Zr-B; exchange correlation length; magnetic domain structure; magnetic force microscopy;
D O I：
10.1016/S0921-5093(96)10691-2
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The domain structure of the nanocrystalline Fe91Zr7B2 alloy at the optimum soft magnetic state was studied by means of magnetic force microscopy (MFM). Curved domains separated by 180 degrees Malls were observed. The domain wall width (similar to pi L-ex, where L-ex is the exchange correlation length) was estimated to be less than 2 +/- 0.3 mu m front the MFM image. This result is consistent with the L-ex value (similar to 0.5 mu m) evaluated from the measured magnetic properties. These results reveal that the excellent soft magnetic properties are due to the averaging of the effects of the magnetocrystalline anisotropy (K-1) over the order of 10(4) grains. (C) 1997 Elsevier Science S.A.
引用
收藏
页码：586 / 589
页数：4
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