Shell/core structure and magnetic properties of carbon-coated Fe-Co(C) nanocapsules

IMR OpenIR

	Shell/core structure and magnetic properties of carbon-coated Fe-Co(C) nanocapsules
	Z. D. Zhang; J. G. Zheng; I. Skorvanek; G. H. Wen; J. Kovac; F. W. Wang; J. L. Yu; Z. J. Li; X. L. Dong; S. R. Jin; W. Liu; X. X. Zhang
	2001
发表期刊	Journal of Physics-Condensed Matter
ISSN	0953-8984
卷号	13 期号:9 页码:1921-1929
摘要	Shell-core structures of Fe(C), Co(C) and Fe-Co(C) nanocapsules, prepared by an are discharge process in a mixture of methane and helium, have been demonstrated by means of high-resolution transmission electron microscopy (HRTEM). These nanoscale magnetic cores are protected by graphite shells. It has been found that the zero-field-cooled (ZFC) magnetization of Fe-Co(C) nanocapsules that display different characteristics in three temperature ranges can be well interpreted in terms of the unblocking of magnetization of small single-domain particles and the depinning of large multidomain particles. The saturation magnetization of these nanocapsules decreases monotonically, while the coercivity decreases significantly with increasing temperature.
部门归属	acad sinica, inst met res, int ctr mat phys, shenyang 110015, peoples r china. univ liverpool, dept engn, liverpool l69 3gh, merseyside, england. slovak acad sci, inst expt phys, kosice 04353, slovakia. hong kong univ sci & technol, dept phys, kowloon, hong kong, peoples r china. shenyang polytech univ, lab ultrafine particles, shenyang 110023, peoples r china.;zhang, zd (reprint author), acad sinica, inst met res, int ctr mat phys, shenyang 110015, peoples r china
关键词	Nanostructured Materials Nanotubes C-60
URL	查看原文
WOS记录号	WOS:000167519500018
引用统计	被引频次：90[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/321006/36924
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Z. D. Zhang,J. G. Zheng,I. Skorvanek,et al. Shell/core structure and magnetic properties of carbon-coated Fe-Co(C) nanocapsules[J]. Journal of Physics-Condensed Matter,2001,13(9):1921-1929.
APA	Z. D. Zhang.,J. G. Zheng.,I. Skorvanek.,G. H. Wen.,J. Kovac.,...&X. X. Zhang.(2001).Shell/core structure and magnetic properties of carbon-coated Fe-Co(C) nanocapsules.Journal of Physics-Condensed Matter,13(9),1921-1929.
MLA	Z. D. Zhang,et al."Shell/core structure and magnetic properties of carbon-coated Fe-Co(C) nanocapsules".Journal of Physics-Condensed Matter 13.9(2001):1921-1929.