Structure and magnetic properties of surface alloyed Fe nanocapsules prepared by arc discharge

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	Structure and magnetic properties of surface alloyed Fe nanocapsules prepared by arc discharge
	P. Z. Si; C. J. Choi; E. Bruck; D. Y. Geng; Z. D. Zhang
	2005
发表期刊	Physica B-Condensed Matter
ISSN	0921-4526
卷号	369 期号:1-4 页码:215-220
摘要	C-Fe-Si alloy encapsulating Fe nanocapsules were fabricated by arc evaporating the mixture of Fe and SiC powders. The high temperature of the electric arc results in a surface reaction between SiC and Fe nanoparticles and therefore a uniform encapsulation of the Fe nanoparticles with its alloy. The size of the nanocapsules ranges from 10 to 60 ran while most shells are approximately 7 nm in thickness. Air oxidation to the as-prepared sample does not change the shell/core structure but the saturation magnetization and the coercivity are reduced. The characteristics of the nanocapsules were investigated systematically by using X-ray diffraction, transmission electron microscopy, energy dispersive spectra, X-ray photoelectron spectroscopy, and superconducting quantum interference device magnetometer. (c) 2005 Elsevier B.V. All rights reserved.
部门归属	korea inst machinery & mat, nanoparticles div, chang won 641010, south korea. chinese acad sci, met res inst, shenyang natl lab mat sci, shenyang 110016, peoples r china. univ amsterdam, van der waals zeeman inst, nl-1018 xe amsterdam, netherlands.;si, pz (reprint author), korea inst machinery & mat, nanoparticles div, 66 sangnam dong, chang won 641010, south korea;pzsi@mail.com
关键词	Nanocapsules Transmission Electron Microscopy (Tem) X-ray Photoelectron Spectroscopy (Xps) Magnetic Properties Nanoparticles
URL	查看原文
WOS记录号	WOS:000233682700031
引用统计	被引频次：2[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/321006/35032
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	P. Z. Si,C. J. Choi,E. Bruck,et al. Structure and magnetic properties of surface alloyed Fe nanocapsules prepared by arc discharge[J]. Physica B-Condensed Matter,2005,369(1-4):215-220.
APA	P. Z. Si,C. J. Choi,E. Bruck,D. Y. Geng,&Z. D. Zhang.(2005).Structure and magnetic properties of surface alloyed Fe nanocapsules prepared by arc discharge.Physica B-Condensed Matter,369(1-4),215-220.
MLA	P. Z. Si,et al."Structure and magnetic properties of surface alloyed Fe nanocapsules prepared by arc discharge".Physica B-Condensed Matter 369.1-4(2005):215-220.