Structure and magnetic properties of Bulk nanocrystalline Sm(Co 0.74Cu 0.12 Fe 0.1Zr 0.04) 7.5 sintered magnet - 文章详情页

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摘要：

Bulk　nanocrystalline　SmCoCuFeZr　sintered　magnet　was　prepared　by　Spark　Plasma　Sintering　technique　(SPS),　Structure　and　magnetic　properties　of　the　magnet　were　studied.　XRD　patterns　show　that　the　magnet　exhibits　TbCu　7　structure.　TEM　observation　indicates　that　the　average　grain　size　of　the　magnet　is　35nm.　Magnetic　measurement　shows　that　the　remanence　is　0.49T　and　the　coercivity　of　the　magnet　reaches　as　high　as　1.42　T　at　room　temperature.　The　ratio　of　Mr/Ms　is　0.63,　which　demonstrates　the　existence　of　intergrain　exchange　coupling　among　the　nanograins.

关键词：

Sinteredmagnet; SmCo; SPS; TbCu 7

作者机构：

[ 1 ] [Yang, J.-J.]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Xu, G.]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Zhang, D.-T.]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Yue, M.]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Liu, W.-Q.]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Zhang, J.-X.]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100124, China

通讯作者信息：

张东涛
[Zhang, D.-T.]The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University of Technology, Beijing 100124, China

电子邮件地址：

zdt@bjut.edu.cn

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