Microstructure and magnetic properties of graphite-coated Gd nanocapsules

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	Microstructure and magnetic properties of graphite-coated Gd nanocapsules
	X. G. Liu; D. Y. Geng; Q. Zhang; J. J. Jiang; W. Liu; Z. D. Zhang
	2009
发表期刊	Applied Physics Letters
ISSN	0003-6951
卷号	94 期号:10
摘要	Gd nanocapsules, which are stable in air with the protection of graphite shells, are prepared by a modified arc-discharge technique. A size-induced structural transformation from the hexagonal-close-packed (hcp) to the higher-symmetry face-centered-cubic structure is observed. The graphite-coated hcp-Gd nanocapsules display a blocked state below 35 K, superparamagnetism between 35 and 290 K, and typical paramagnetism above 290 K. The hcp-Gd nanocapsules have a magnetic-entropy change -Delta S(m) of 48.8 J kg(-1) K(-1) at 6 K for an applied-field change from 1 to 7 T.
部门归属	[liu, x. g.] chinese acad sci, shenyang natl lab mat sci, met res inst, shenyang 110016, peoples r china. chinese acad sci, int ctr mat phys, shenyang 110016, peoples r china.;liu, xg (reprint author), chinese acad sci, shenyang natl lab mat sci, met res inst, 72 wenhua rd, shenyang 110016, peoples r china;liuxg@imr.ac.cn
关键词	Entropy Gadolinium Graphite Nanofabrication Nanostructured Materials Paramagnetism Solid-state Phase Transformations Superparamagnetism Nanoparticles
URL	查看原文
WOS记录号	WOS:000264280000077
引用统计	被引频次：20[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/321006/32119
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	X. G. Liu,D. Y. Geng,Q. Zhang,et al. Microstructure and magnetic properties of graphite-coated Gd nanocapsules[J]. Applied Physics Letters,2009,94(10).
APA	X. G. Liu,D. Y. Geng,Q. Zhang,J. J. Jiang,W. Liu,&Z. D. Zhang.(2009).Microstructure and magnetic properties of graphite-coated Gd nanocapsules.Applied Physics Letters,94(10).
MLA	X. G. Liu,et al."Microstructure and magnetic properties of graphite-coated Gd nanocapsules".Applied Physics Letters 94.10(2009).