Molecular dynamics simulation of bipartite bimetallic clusters under low-energy argon ion bombardment

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• 作者：D. V. Shirokorad ; G. V. Kornich ; S. G. Buga
• 刊名：Physics of the Solid State
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：58
• 期：2
• 页码：387-393
• 全文大小：999 KB
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• 作者单位：D. V. Shirokorad (1)
  G. V. Kornich (1)
  S. G. Buga (2)
  
  1. Zaporozhye National Technical University, ul. Zhukovskogo 64, Zaporozhye, 69063, Ukraine
  2. Technological Institute for Superhard and Novel Carbon Materials, Tsentral’naya ul. 7a, Troitsk, Moscow, 142190, Russia
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Solid State Physics and Spectroscopy
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1090-6460

文摘

The evolution of bipartite bimetallic atomic clusters within 5 ps under bombardment with monoenergetic argon ions at the initial energy ranging from 1 eV to 1.4 keV has been simulated by the classical molecular dynamics method with a target obtained from Ni‒Al and Cu‒Au clusters consisting of 78 and 390 atoms, equally divided between the corresponding monometallic parts, the simulated pairs of which have different heats of intermixing. The changes in the potential energy and temperature, the sputtering yields, and the intensity of the ion-stimulated movement of atoms at the interface of the monometallic parts of clusters of both sizes have been determined as functions of the energy of the bombardment.