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    题名: Influencing range of vacancy defects in zigzag single-walled carbon nanotubes
    作者: Luo, Yu-Pin;Tien, Li-Gan;Lee, Ming-Hsien;Li, Feng-Yin
    贡献者: 淡江大學物理學系
    关键词: single-walled carbon nanotube;vacancy defect
    日期: 2010-02
    上传时间: 2012-06-14 09:24:04 (UTC+8)
    出版者: Bristol: Institute of Physics Publishing Ltd.
    摘要: The influencing range of a vacancy defect in a zigzag single-walled nanotube is characterized with both structural deformation and variation in bandstructure. This paper proposes a microscopic explanation to relate the structural deformation to the bandstructure variation. With an increasing defect density, the nanotubes become oblate and the energy gap between the deep localized gap state and the conducting band minimum state decreases. Theoretical results shed some light on the local energy gap engineering via vacancy density for future potential applications.
    關聯: Chinese Physics B 19(2), 027102(5pages)
    DOI: 10.1088/1674-1056/19/2/027102
    显示于类别:[物理學系暨研究所] 期刊論文


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