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Chin. Phys. B, 2017, Vol. 26(11): 117502    DOI: 10.1088/1674-1056/26/11/117502
Special Issue: TOPICAL REVIEW — Magnetism, magnetic materials, and interdisciplinary research
TOPICAL REVIEW—Magnetism, magnetic materials, and interdisciplinary research Prev   Next  

Anisotropic nanocomposite soft/hard multilayer magnets

Wei Liu(刘伟), Zhidong Zhang(张志东)
Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
Abstract  

Experimental and theoretical researches on nanostructured exchange coupled magnets have been carried out since about 1988.Here,we review the structure and magnetic properties of the anisotropic nanocomposite soft/hard multilayer magnets including some new results and phenomena from an experimental point of view.According to the different component of the oriented hard phase in the nanocomposite soft/hard multilayer magnets,three types of magnets will be discussed:1) anisotropic Nd2Fe14B based nanocomposite multilayer magnets,2) anisotropic SmCo5 based nanocomposite multilayer magnets,and 3) anisotropic rare-earth free based nanocomposite multilayer magnets.For each of them,the formation of the oriented hard phase,exchange coupling,coercivity mechanism,and magnetic properties of the corresponding anisotropic nanocomposite multilayer magnets are briefly reviewed,and then the prospect of realization of bulk magnets on new results of anisotropic nanocomposite multilayer magnets will be carried out.

Keywords:  anisotropic multilayer magnets      exchange coupling      effective interaction length      coercivity mechanism     
Received:  23 August 2017      Published:  05 November 2017
PACS:  75.50.Bb (Fe and its alloys)  
Fund: 

Project supported by the State Key Project of Research and Development of China (Grant No.2017YFA0206302),the National Nature Science Foundation of China (Grant Nos.51590883,51331006,and 51471167),and the Chinese Academy of Sciences (Grant No.KJZD-EW-M05-3).

Corresponding Authors:  Zhidong Zhang     E-mail:  zdzhang@imr.ac.cn

Cite this article: 

Wei Liu(刘伟), Zhidong Zhang(张志东) Anisotropic nanocomposite soft/hard multilayer magnets 2017 Chin. Phys. B 26 117502

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