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Enhanced coercivity thermal stability realized in Nd-Fe-B thin films diffusion-processed by Nd-Co alloys
Zhong, Hui; Fu, Yanqing; Li, Guojian; Liu, Tie; Cui, Weibin; Liu, Wei; Zhang, Zhidong; Wang, Qiang; Cui, WB; Wang, Q (reprint author), Northeastern Univ, Minist Educ, Key Lab Elect Proc Mat EPM, Shenyang 110819, Peoples R China.
2017-03-15
Source PublicationJOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN0304-8853
Volume426Pages:550-553
AbstractA proposed Nd2Fe14B-core/Nd-2(Fe, Co)(14)B-shell microstructure was realized by diffusion-processing textured Nd14Fe77B9 single-layer film with Nd100(-x)Co(x) (x= 10, 20 and 40) alloys to improve the coercivity thermal stability. The ambient coercivity was increased from around 1 T in single-layer film to nearly 2 T in diffusionprocessed films, which was due to the Nd-rich grain boundaries as seen from transmission electron microscopy (TEM) images. The coercivity thermal stability was improved by the core/shell microstructure because Nd-rich grain boundaries provided the high ambient coercivity and Co-rich shell provided the improved coercivity stability.; A proposed Nd2Fe14B-core/Nd-2(Fe, Co)(14)B-shell microstructure was realized by diffusion-processing textured Nd14Fe77B9 single-layer film with Nd100(-x)Co(x) (x= 10, 20 and 40) alloys to improve the coercivity thermal stability. The ambient coercivity was increased from around 1 T in single-layer film to nearly 2 T in diffusionprocessed films, which was due to the Nd-rich grain boundaries as seen from transmission electron microscopy (TEM) images. The coercivity thermal stability was improved by the core/shell microstructure because Nd-rich grain boundaries provided the high ambient coercivity and Co-rich shell provided the improved coercivity stability.
description.department[zhong, hui ; fu, yanqing ; li, guojian ; liu, tie ; cui, weibin ; wang, qiang] northeastern univ, minist educ, key lab elect proc mat epm, shenyang 110819, peoples r china ; [zhong, hui ; fu, yanqing ; cui, weibin] northeastern univ, sch mat sci & engn, dept phys & chem mat, shenyang 110819, peoples r china ; [liu, wei ; zhang, zhidong] chinese acad sci, imr, shenyang natl lab mat sci, shenyang 110016, peoples r china
KeywordPermanent Magnet Core-shell Microstructure Magnetic Properties Diffusion Process Magnetic Thermal Stability
Subject AreaMaterials Science, Multidisciplinary ; Physics, Condensed Matter
Funding OrganizationNational Natural Science Foundation of China [51501033, 51590883]; National Natural Science Funds for Distinguished Young Scholar [51425401]; Fundamental Research Funds for the Central Universities [140901001]; project of Chinese Academy of Sciences [KJZD-EW-M05-3]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78230
Collection中国科学院金属研究所
Corresponding AuthorCui, WB; Wang, Q (reprint author), Northeastern Univ, Minist Educ, Key Lab Elect Proc Mat EPM, Shenyang 110819, Peoples R China.
Recommended Citation
GB/T 7714
Zhong, Hui,Fu, Yanqing,Li, Guojian,et al. Enhanced coercivity thermal stability realized in Nd-Fe-B thin films diffusion-processed by Nd-Co alloys[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2017,426:550-553.
APA Zhong, Hui.,Fu, Yanqing.,Li, Guojian.,Liu, Tie.,Cui, Weibin.,...&Wang, Q .(2017).Enhanced coercivity thermal stability realized in Nd-Fe-B thin films diffusion-processed by Nd-Co alloys.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,426,550-553.
MLA Zhong, Hui,et al."Enhanced coercivity thermal stability realized in Nd-Fe-B thin films diffusion-processed by Nd-Co alloys".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 426(2017):550-553.
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