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Mechanism of Enhanced Dielectric Properties of SiC/Ni Nanocomposites |
| ZHOU Yan1;KANG Yu-Qing2;FANG Xiao-Yong1;YUAN Jie2;SHI Xiao-Ling2;SONG Wei-Li2;CAO Mao-Sheng2 |
| 1chool of Science, Yanshan University, Qinghuangdao 0660042chool of Materials Science and Engineering, Beijing Institute f Technology, Beijing 100081 |
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| Cite this article: |
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ZHOU Yan, KANG Yu-Qing, FANG Xiao-Yong et al 2008 Chin. Phys. Lett. 25 1902-1904 |
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Abstract Dielectric properties of SiC/Ni nanocomposites prepared by a simple and facile electroless plating approach at X band are investigated. Compared to the original SiC nanoparticles (SiCP), the real part of the permittivity, ε', and the dielectric loss tangent tan δe of SiC/Ni nanocomposites are clearly enhanced by about 31% and 33%, respectively. The effective equations for complex permittivity of SiC/Ni nanocomposites are proposed. We also calculate ε' and tan δe of SiC/Ni nanocomposites and the calculated results are well consistent with the measured data.
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81.07.Wx
82.45.Un
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Received: 28 January 2008
Published: 29 April 2008
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| PACS: |
81.07.Wx
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(Nanopowders)
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82.45.Un
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(Dielectric materials in electrochemistry)
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