Molecular Dynamics Simulation of Solidification of Pd-Ni Clusters with Different Nickel Content

被引:4
|
作者
Gang, Chen [1 ]
Peng, Zhang [1 ]
Liu Hongwei [1 ]
机构
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Weihai 264209, Peoples R China
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
SURFACE-TENSION; NANOCLUSTERS; TRANSITION; CATALYSTS;
D O I
10.1155/2014/926206
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Molecular dynamics simulation has been performed for investigating the glass transition of Pd-Ni alloy nanoparticles in the solidification process. The results showed that the Pd-Ni nanoparticles with composition far from pure metal should form amorphous structure more easily, which is in accordance with the results of the thermodynamic calculation. There are some regular and distorted fivefold symmetry in the amorphous Pd-Ni alloy nanoparticles. The nanoclusters with bigger difference value between formation enthalpies of solutions and glasses will transform to glass more easily than the other Pd-Ni alloy nanoclusters.
引用
收藏
页数:7
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