Coercivity mechanism of anisotropic Pr2Fe14B thin films with perpendicular texture

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	Coercivity mechanism of anisotropic Pr2Fe14B thin films with perpendicular texture
	S. L. Chen; W. Liu; Z. D. Zhang
	2005
发表期刊	Physical Review B
ISSN	1098-0121
卷号	72 期号:22
摘要	Anisotropic Pr-Fe-B thin films with perpendicular texture have been prepared by magnetron sputtering and subsequent heat treatment. After crystallization at 873 K, the films deposited at 773 K show a perpendicular anisotropic texture, due to the existence of a weak anisotropy in the as-deposited films. The deposition rate has been proved to be an important parameter for the control of microstructure, morphology, and coercivity. The coercivity mechanism of the anisotropic Pr-Fe-B films has been studied by analyzing the temperature dependence of coercivity from 5 to 300 K, based on the micromagnetic model. Nucleation of reversed domains, taking place preferentially at the grain surface where the magnetic anisotropy is reduced and the local demagnetization field is the highest, is determined to be the leading mechanism in controlling the magnetization reversal processes of the anisotropic Pr-Fe-B films. Though the grains in the films are strongly magnetically coupled, the magnetization reversal processes in the Pr-Fe-B thin films are not realized by uniform rotations of the magnetic moments.
部门归属	chinese acad sci, shenyang natl lab mat sci, met res inst, shenyang 110016, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china.;chen, sl (reprint author), chinese acad sci, shenyang natl lab mat sci, met res inst, 72 wenhua rd, shenyang 110016, peoples r china
关键词	Fe-b Films Magnetic-properties Permanent-magnets Nucleation Fields Ndfeb Magnets Ferromagnets Dependence Crystals
URL	查看原文
WOS记录号	WOS:000234335600055
引用统计	被引频次：35[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/34814
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	S. L. Chen,W. Liu,Z. D. Zhang. Coercivity mechanism of anisotropic Pr2Fe14B thin films with perpendicular texture[J]. Physical Review B,2005,72(22).
APA	S. L. Chen,W. Liu,&Z. D. Zhang.(2005).Coercivity mechanism of anisotropic Pr2Fe14B thin films with perpendicular texture.Physical Review B,72(22).
MLA	S. L. Chen,et al."Coercivity mechanism of anisotropic Pr2Fe14B thin films with perpendicular texture".Physical Review B 72.22(2005).