Microwave absorption properties of Ni/(C, silicides) nanocapsules

doi:10.1186/1556-276X-7-238

IMR OpenIR

	Microwave absorption properties of Ni/(C, silicides) nanocapsules
	Jiang,Jingjing; Wang,Han; Guo,Huaihong; Yang,Teng; Tang,Wen-Shu; Li,Da; Ma,Song; Geng,Dianyu; Liu,Wei; Zhang,Zhidong
通讯作者	Li,Da(dali@imr.ac.cn)
	2012-05-01
发表期刊	Nanoscale Research Letters
ISSN	1556-276X
卷号	7 期号:1
摘要	AbstractThe microwave absorption properties of Ni/(C, silicides) nanocapsules prepared by an arc discharge method have been studied. The composition and the microstructure of the Ni/(C, silicides) nanocapsules were determined by means of X-ray diffraction, X-ray photoelectric spectroscopy, and transmission electron microscope observations. Silicides, in the forms of SiOx and SiC, mainly exist in the shells of the nanocapsules and result in a large amount of defects at the ‘core/shell’ interfaces as well as in the shells. The complex permittivity and microwave absorption properties of the Ni/(C, silicides) nanocapsules are improved by the doped silicides. Compared with those of Ni/C nanocapsules, the positions of maximum absorption peaks of the Ni/(C, silicides) nanocapsules exhibit large red shifts. An electric dipole model is proposed to explain this red shift phenomenon.
关键词	Microwave absorption properties Magnetic nanocapsules Complex permittivity Electric dipole model
DOI	10.1186/1556-276X-7-238
语种	英语
WOS记录号	BMC:10.1186/1556-276X-7-238
出版者	Springer New York
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/80783
通讯作者	Li,Da
作者单位	Institute of Metal Research, and International Centre for Materials Physics, Chinese Academy of Sciences; Shenyang National Laboratory for Materials Science
推荐引用方式 GB/T 7714	Jiang,Jingjing,Wang,Han,Guo,Huaihong,et al. Microwave absorption properties of Ni/(C, silicides) nanocapsules[J]. Nanoscale Research Letters,2012,7(1).
APA	Jiang,Jingjing.,Wang,Han.,Guo,Huaihong.,Yang,Teng.,Tang,Wen-Shu.,...&Zhang,Zhidong.(2012).Microwave absorption properties of Ni/(C, silicides) nanocapsules.Nanoscale Research Letters,7(1).
MLA	Jiang,Jingjing,et al."Microwave absorption properties of Ni/(C, silicides) nanocapsules".Nanoscale Research Letters 7.1(2012).