IMR OpenIR
Effect of washing process on the magnetic properties of Nd-Fe-B nanoparticles prepared by reduction-diffusion method
Wang, Y.; Ahn, J.; Kim, D.; Ren, W. J.; Liu, W.; Zhang, Z. D.; Choi, C. J.; Kim, D; Choi, CJ (reprint author), Korea Inst Mat Sci, Powder & Ceram Div, 797 Changwondaero, Chang Won 641831, Gyeongnam, South Korea.
2017-10-01
发表期刊JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN0304-8853
卷号439页码:91-94
摘要Nd-Fe-B nanoparticles with a particle size below 50 nm and excellent magnetic properties were obtained via a novel route which makes use of both spray drying and reduction-diffusion processes. Uniform Nd-Fe-B particles were formed by the optimization of Ca amount as a reducing agent and additional washing by milling in ethanol media. Especially, we implemented a two-step washing process which contributed to the excellent magnetic properties with high remanence and coercivity. After the removal of CaO by novel washing process, the maximum energy product (BH)(max) of the particles showed 22.1 MGOe. This value is superior to those reported in reduction-diffusion process. We used Henkel plot to assume the mechanism of magnetic interactions of the Nd-Fe-B nanoparticles. (C) 2017 Elsevier B.V. All rights reserved.; Nd-Fe-B nanoparticles with a particle size below 50 nm and excellent magnetic properties were obtained via a novel route which makes use of both spray drying and reduction-diffusion processes. Uniform Nd-Fe-B particles were formed by the optimization of Ca amount as a reducing agent and additional washing by milling in ethanol media. Especially, we implemented a two-step washing process which contributed to the excellent magnetic properties with high remanence and coercivity. After the removal of CaO by novel washing process, the maximum energy product (BH)(max) of the particles showed 22.1 MGOe. This value is superior to those reported in reduction-diffusion process. We used Henkel plot to assume the mechanism of magnetic interactions of the Nd-Fe-B nanoparticles. (C) 2017 Elsevier B.V. All rights reserved.
部门归属[wang, y. ; ahn, j. ; kim, d. ; choi, c. j.] korea inst mat sci, powder & ceram div, 797 changwondaero, chang won 641831, gyeongnam, south korea ; [wang, y. ; ren, w. j. ; liu, w. ; zhang, z. d.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
关键词Nd-fe-b Nanoparticles Washing Process Reduction-diffusion Magnetic Property Magnetic Interaction
学科领域Materials Science, Multidisciplinary ; Physics, Condensed Matter
资助者R&D Convergence Program of MSIP (Ministry of Science, ICT and Future Planning); ISTK (Korea Research Council for the Industrial Science and Technology) of Republic of Korea [B551179-11-01-00]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/78008
专题中国科学院金属研究所
通讯作者Kim, D; Choi, CJ (reprint author), Korea Inst Mat Sci, Powder & Ceram Div, 797 Changwondaero, Chang Won 641831, Gyeongnam, South Korea.
推荐引用方式
GB/T 7714
Wang, Y.,Ahn, J.,Kim, D.,et al. Effect of washing process on the magnetic properties of Nd-Fe-B nanoparticles prepared by reduction-diffusion method[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2017,439:91-94.
APA Wang, Y..,Ahn, J..,Kim, D..,Ren, W. J..,Liu, W..,...&Choi, CJ .(2017).Effect of washing process on the magnetic properties of Nd-Fe-B nanoparticles prepared by reduction-diffusion method.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,439,91-94.
MLA Wang, Y.,et al."Effect of washing process on the magnetic properties of Nd-Fe-B nanoparticles prepared by reduction-diffusion method".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 439(2017):91-94.
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