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Melting behavior of Au-Pd eutectic nanoparticle: A molecular dynamics study

Wang Zhi-Gang Huang Rao Wen Yu-Hua

Melting behavior of Au-Pd eutectic nanoparticle: A molecular dynamics study

Wang Zhi-Gang, Huang Rao, Wen Yu-Hua
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  • PDF Downloads:  1070
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Publishing process
  • Received Date:  14 December 2011
  • Accepted Date:  04 March 2012
  • Published Online:  05 August 2012

Melting behavior of Au-Pd eutectic nanoparticle: A molecular dynamics study

  • 1. College of Physics and Electronic Engineering Leshan Teachers' College, Leshan 614004, China;
  • 2. School of Physics and Mechanical and Electrical Engineering Xiamen University, Xiamen 361005, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant No. 10702056), the Natural Science Foundation of Fujian Province, China (Grant No. 2011J05011), and the Scientific Research Fund of Education Department of Sichuan Province, China (Grant No. 12ZA072).

Abstract: In this paper, we present an investigation on thermal stability of Au-Pd eutectic nanoparticle by using molecular dynamics simulation with embedded-atom potential. The results show that the melting point of Au-Pd eutectic nanoparticle is remarkably higher than that of pure Au one but lower than that of Pd one. By the analyses of Lindemann index, it is found that Au atoms first melt, then induce the melting of Pd atoms. The temperature range of melting is broader for Au-Pd eutectic nanoparticle than that for Au and Pd nanoparticles.

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