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http://dx.doi.org/10.7234/kscm.2011.24.2.009

A molecular dynamics simulation on the defect structure in silicon under indentation  

Trandinh, Long (Division of Mechanical and Automotive Engineering, Kongju National University)
Ryu, Yong-Moon (Korea Automotive Technology Institute)
Kang, Woo-Jong (School of Mechanical and Automotive Engineering, Kyungil University)
Cheon, Seong-Sik (Division of Mechanical and Automotive Engineering, Kongju National Universily)
Publication Information
Composites Research / v.24, no.2, 2011 , pp. 9-13 More about this Journal
Abstract
,In this paper, the symmetric axis parameter method, which was proposed to identify defects, dislocations and stacking fault, with perfect structures in the zinc-blende materials, was introduced as a way to distinguish between elastic and plastic deformation. LAMMPS, a molecular dynamics programme of Sandia National Laboratories, was used to perform nanoindentation simulation on silicon, a zinc-blende material. Defects in silicon (111) under spherical indentation showed the threefold pattern and the slip system in the form of ring crack. Also simulation results show good agreement with experimental results and existing theoretical analyses.
Keywords
Symmetric axis parameter; Atomistic simulation; Nanoindentation; Indented defect;
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Times Cited By KSCI : 1  (Citation Analysis)
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