CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2002, Vol. 19 ›› Issue (4): 290-292.

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SPUTTERING YIELD CALCULATION BY MONTE CARLO SIMULATION WITH SCREENING LENGTH OF SHELL EFFECTS

LI Zhi-jie1, WANG Ze-hui1, Takaichi Kawamura2, Yasunori Yamamura2   

  1. 1. Inner Mongolian University for Nationality, Tongliaoshi 028043, China;
    2. Okayama Univeristy of Science, Okayama 700-0005, Japan
  • Received:2001-01-03 Revised:2001-04-28 Online:2002-07-25 Published:2002-07-25

Abstract: The sputtering yields due to various ion impacts on monatomic materials are calculated with the ACAT code.As the interatomic potential,Moliére potential is used in the simulation,and the theoretical screenging length is adopted which was advanced by Yamamura to include shell effects.The calculation results are consistent with experiment data and Yamamura's empirical sputtering formula.

Key words: Monte Carlo simulation, sputtering yield, screening length with shell effects, interatomic potential

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