Overlayer-induced anisotropic alignment of Nd2Fe14B nanograins

被引：23
|
作者：
Shima, T
Kamegawa, A
Hono, K
Fujimori, H
机构：
[1] Institute for Materials Research, Tohoku University
[2] Natl. Research Institute for Metals
[3] Res. Inst. Elec. and Magnetic Mat.
来源：
APPLIED PHYSICS LETTERS | 2001年 / 78卷 / 14期
关键词：
D O I：
10.1063/1.1360234
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Highly anisotropic Nd2Fe14B thin film has been produced by triggering crystallization of sputter-deposited amorphous Nd-Fe-B layer by deposition of crystalline Cr overlayer. A downward growth of strongly textured Nd2Fe14B columnar grains was observed, starting from the interface between the Nd-Fe-B amorphous layer and the Cr overlayer. Cross-sectional transmission electron microscope observation results suggest that the possible mechanism of this peculiar crystallization is the heterogeneous nucleation at the surface of Nd-Fe-B amorphous layer, triggered by the crystalline Cr overlayer. (C) 2001 American Institute of Physics.
引用
收藏
页码：2049 / 2051
页数：3
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