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Structure and magnetic properties of N-containing Pr-Fe-B alloys prepared by mechanical alloying
S. L. Chen; W. Liu; P. Z. Si; X. G. Zhao; D. Y. Geng; Z. D. Zhang
2004
发表期刊Journal of Magnetism and Magnetic Materials
ISSN0304-8853
卷号277期号:1-2页码:153-158
摘要The structure and magnetic properties of Pr16Fe84-xBxNz (x = 0, 2, 4, 6, 8, 10) and PryFe92-yB8Nz = (y = 20, 25, 30) alloys prepared by mechanical alloying using pyrolytic boron nitride (p-BN) as one of starting materials have been investigated. It is found that with increasing the content of p-BN, the magnetic phase transforms from ferromagnetic Pr2Fe17- to Pr2Fe14B-type phase, and finally to paramagnetic Pr1.1Fe4B4-type one. When the Pr2Fe17- and Pr2Fe14-B-type phases coexist, the nitrogen atoms occupy interstitial sites more preferentially in the Pr2Fe14B-type phase than in the Pr2Fe17-type one. Curie temperature of Pr2Fe14BNdelta phase is about 35 K higher than that of Pr2Fe14B phase, which originates from the occupation of nitrogen atoms in the interstitial sites of the Pr2Fe14B lattice. A coercivity as high as 23.5 kOe has been achieved for N-containing Pr-Fe-B alloys with y = 25. (C) 2003 Elsevier B.V. All rights reserved.
部门归属chinese acad sci, shenyang natl lab mat sci, met res inst, int ctr mat phys, shenyang 110016, peoples r china.;chen, sl (reprint author), chinese acad sci, shenyang natl lab mat sci, met res inst, int ctr mat phys, 72 wenhua rd, shenyang 110016, peoples r china;slchen@imr.ac.cn
关键词Structure Magnetic Properties Mechanical Alloying Nitride Rare-earth Nitride Anisotropy R2fe14bnx Sm
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WOS记录号WOS:000222498100020
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/35328
专题中国科学院金属研究所
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S. L. Chen,W. Liu,P. Z. Si,et al. Structure and magnetic properties of N-containing Pr-Fe-B alloys prepared by mechanical alloying[J]. Journal of Magnetism and Magnetic Materials,2004,277(1-2):153-158.
APA S. L. Chen,W. Liu,P. Z. Si,X. G. Zhao,D. Y. Geng,&Z. D. Zhang.(2004).Structure and magnetic properties of N-containing Pr-Fe-B alloys prepared by mechanical alloying.Journal of Magnetism and Magnetic Materials,277(1-2),153-158.
MLA S. L. Chen,et al."Structure and magnetic properties of N-containing Pr-Fe-B alloys prepared by mechanical alloying".Journal of Magnetism and Magnetic Materials 277.1-2(2004):153-158.
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