Preparation and dielectric enhancement of nickel-coated β-SiC nanoparticles

Journal Title: Science Paper Online - Year 2007, Vol 2, Issue 5

Abstract

A nanoscale core-shell structure of β-SiCP-Ni has been prepared at lower temperature by a simple and convenient electroless plating approach. The core-shell nanoparticles have been characterized by means of XRD and TEM. The results show that β-SiC nanoparticles (β-SiCP) are coated by a uniform and continuous nickel shell. The mechanism based on the theory of electroless plating and palladium catalysis has been discussed in details about core-shell structure of β-SiCP-Ni. Dielectric permittivities of the original silicon carbide nanoparticles (β-SiCP) and nickel-coated β-SiCP in paraffin wax are measured respectively in the GHz frequency range from 8 to 12 GHz. The real part and dielectric loss tangent of the nickel-coated β-SiCP are significantly enhanced. The origin of the enhancement is theoretically discussed, and also explained by the change of surface electrical conduction behavior of β-SiCP and nickel-coated β-SiCP.

Authors and Affiliations

Guizhen Zou, Maosheng Cao, Yuqing Kang

Keywords

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  • EP ID EP91406
  • DOI -
  • Views 111
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How To Cite

Guizhen Zou, Maosheng Cao, Yuqing Kang (2007). Preparation and dielectric enhancement of nickel-coated β-SiC nanoparticles. Science Paper Online, 2(5), 330-335. https://europub.co.uk/articles/-A-91406