Coercivity evolution and suppressed thermally activated defects in diffusion processed Nd-Fe-B films

doi:10.1016/j.jmmm.2019.04.090

CORC > 兰州理工大学 > 兰州理工大学

	Coercivity evolution and suppressed thermally activated defects in diffusion processed Nd-Fe-B films
	Wei, Fulong 1; Zhang, Jinsong 1; Chen, Zhaohui 1; Fu, Xiaoxiao 2; Fan, Xiaomeng 3; Yin, Xiaowei 3; Jia, Peng 1; Cui, Weibin 1,3,4,5; Wang, Qiang 1
刊名	JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
	2019-09
卷号	485 页码:401-406
关键词	Coercivity mechanism Activation volume Diffusion process Nd-Fe-B thin films Microstructure
ISSN号	0304-8853
DOI	10.1016/j.jmmm.2019.04.090
英文摘要	The single-layer Ta(20 nm)Nd13Fe77B10(100 nm)Ta(20 nm) film was prepared and diffusion-processed by Nd25Cu75(20 nm) and Nd70Cu30(20 nm). The evolutions of microstructure and magnetic properties were comparably studied. By using same amount of diffusion layer, different coercivities were achieved. The coercivity enhancement mechanism was explained phenomenologically by surface defects of Nd2Fe14B grains and estimation of activation volume. It was found that due to the increased Nd composition in grain boundaries, the activation volume was reduced and the local anisotropy was enhanced due to the remedied surface defect. Such dependence was consistent with the coercivity changes.
资助项目	Natural Science Foundation of Liaoning Provence[20180510003]
WOS研究方向	Materials Science ; Physics
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000468738800059
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/31620]
专题	兰州理工大学省部共建有色金属先进加工与再利用国家重点实验室
通讯作者	Fu, Xiaoxiao; Cui, Weibin
作者单位	1.Northeastern Univ, Minist Educ, Key Lab Electromagnet Proc Mat, Shenyang 110819, Liaoning, Peoples R China 2.Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400044, Peoples R China 3.Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Shaanxi, Peoples R China 4.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China 5.Northeastern Univ, Sch Mat Sci & Engn, Dept Mat Phys & Chem, Shenyang 110819, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Wei, Fulong,Zhang, Jinsong,Chen, Zhaohui,et al. Coercivity evolution and suppressed thermally activated defects in diffusion processed Nd-Fe-B films[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2019,485:401-406.
APA	Wei, Fulong.,Zhang, Jinsong.,Chen, Zhaohui.,Fu, Xiaoxiao.,Fan, Xiaomeng.,...&Wang, Qiang.(2019).Coercivity evolution and suppressed thermally activated defects in diffusion processed Nd-Fe-B films.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,485,401-406.
MLA	Wei, Fulong,et al."Coercivity evolution and suppressed thermally activated defects in diffusion processed Nd-Fe-B films".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 485(2019):401-406.