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Study On The Relationship Between Valence Electron Structure And Coating Oriented Growth

Author

Listed:
  • SHUYONG TAN

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China;
    Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, Nanjing 211167, P. R. China)

  • XUHAI ZHANG

    (School of Material Science and Engineering, Southeast University, Nanjing 211189, P. R. China)

  • RUI ZHEN

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China;
    Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, Nanjing 211167, P. R. China)

  • LEI ZHANG

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China)

  • ZENG TIAN

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China)

  • ZHIXIN BA

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China;
    Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, Nanjing 211167, P. R. China)

  • ZHANGZHONG WANG

    (School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing 211167, P. R. China;
    Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, Nanjing 211167, P. R. China)

Abstract

The coating oriented growth has attracted great attention because of its effect on coating properties. In this paper, the valence electron structures ofTiNandNiwere calculated with the empirical electron theory (EET) in solid and molecules for investigating preferred orientation of nitride coatings containingNi. The calculation results show thatNi(111),CrN(100)andTiN(100)are the maximum crystal-face electron density, respectively. InCrN(orTiN) coatings, ifNidoes not form a single nickel phase,CrN(100)(orTiN(100)) preferred orientation appears easily due to its high crystal-face electron density. WhenNiexists as a single phase,CrN(100)/Ni(111)(orTiN(100)/Ni(111)) with the minimum crystal-face electron density difference is the most likely to appear in the coatings. Furthermore, high crystal-face electron density difference usually implies fine grain microstructure. The calculation results are consistent with the experimental results.

Suggested Citation

  • Shuyong Tan & Xuhai Zhang & Rui Zhen & Lei Zhang & Zeng Tian & Zhixin Ba & Zhangzhong Wang, 2015. "Study On The Relationship Between Valence Electron Structure And Coating Oriented Growth," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 22(03), pages 1-6.
    • Handle: RePEc:wsi:srlxxx:v:22:y:2015:i:03:n:s0218625x15500390
    DOI: 10.1142/S0218625X15500390
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