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金刚石表面无定形碳氢薄膜生长的分子动力学模拟∗

张传国 杨勇 郝汀 张铭

物理学报Issue(1):1-8,8.
物理学报Issue(1):1-8,8.DOI:10.7498/aps.64.018102

金刚石表面无定形碳氢薄膜生长的分子动力学模拟∗

Molecular dynamics simulations on the growth of thin amorphous hydrogenated carb on films on diamond surface

张传国 1杨勇 1郝汀 1张铭2

作者信息

  • 1. 中国科学院固体物理研究所材料物理重点实验室,合肥 230031
  • 2. 北京工业大学材料科学与工程学院,北京 100124
  • 折叠

摘要

Abstract

The growth of thin amorphous hydrogenated carbon films (a-C:H) on diamond (111) surface from the bombardment of CH2 radicals is studied using molecular dynamics simulations. Structural analysis shows that the local structure (e.g., the first coordination number of C atoms) of a-C:H depends critically on the content of hydrogen. The increase in kinetic energy of incident radicals leads to the decrease of hydrogen content, which subsequently changes the proportion of sp3 bonded C atoms in a-C:H.

关键词

无定形碳氢薄膜/金刚石表面/分子动力学模拟

Key words

amorphous hydrogenated carbon films/diamond (111) surface/molecular dynamics simula-tions

引用本文复制引用

张传国,杨勇,郝汀,张铭..金刚石表面无定形碳氢薄膜生长的分子动力学模拟∗[J].物理学报,2015,(1):1-8,8.

基金项目

国家重大专项与北京工业大学先进技术基金资助的课题.* Project supported by the National Major Project and Advance Technology Fund of Beijing University of Technology ()

物理学报

OA北大核心CSCDCSTPCDSCI

1000-3290

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