Please use this identifier to cite or link to this item: https://doi.org/10.1186/1556-276X-7-238
Title: Microwave absorption properties of Ni/(C, silicides) nanocapsules
Authors: Jiang, J
Wang, H 
Guo, H
Yang, T
Tang, W.-S
Li, D
Ma, S
Geng, D
Liu, W
Zhang, Z
Keywords: Doppler effect
Electric discharges
Microwaves
Permittivity
Photoelectricity
Red Shift
Silicides
Silicon carbide
Transmission electron microscopy
Absorption peaks
Arc-discharge method
Complex permittivity
Electric dipole models
Magnetic nanocapsules
Microwave absorption properties
Red-shift phenomena
X-ray photoelectric spectroscopy
Nanocapsules
Issue Date: 2012
Citation: Jiang, J, Wang, H, Guo, H, Yang, T, Tang, W.-S, Li, D, Ma, S, Geng, D, Liu, W, Zhang, Z (2012). Microwave absorption properties of Ni/(C, silicides) nanocapsules. Nanoscale Research Letters 7 : 1-7. ScholarBank@NUS Repository. https://doi.org/10.1186/1556-276X-7-238
Rights: Attribution 4.0 International
Abstract: The 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. © 2012 Jiang et al.
Source Title: Nanoscale Research Letters
URI: https://scholarbank.nus.edu.sg/handle/10635/183244
ISSN: 19317573
DOI: 10.1186/1556-276X-7-238
Rights: Attribution 4.0 International
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