Journal of Mechanical Science and Technology

The Korean Society of Mechanical Engineers (대한기계학회)
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Molecular Dynamics Study on External Field Induced Crystallization of Amorphous Argon Structure

  • Park, Seung-Ho (Department of Mechanical and System Design Engineering, Hongik University) ;
  • Cho, Sung-San (Department of Mechanical and System Design Engineering, Hongik University) ;
  • Lee, Joon-Sik (School of Mechanical and Aerospace Engineering, Seoul National University) ;
  • Choi, Young-Ki (School of Mechanical Engineering, Chung-Ang University) ;
  • Kwon, Oh-Myoung (School of Mechanical Engineering, Korea University)
  • Published : 2004.11.01
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Abstract

A molecular dynamics study has been conducted on an external-force-field-induced isothermal crystallization process of amorphous structures as a new low-temperature athermal crystallization process. An external cyclic-force field with a dc bias is imposed on molecules selected randomly in an amorphous-phase of argon. Multiple peaks smoothed out in the radial distribution functions for amorphous states appear very clearly during the crystallization process that cannot be achieved otherwise. When the amorphous material is locally exposed to an external force field, crystallization starts and propagates from the interfacial region and crystallization growth rates can be estimated.

Keywords

References

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