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    郑勇刚

    • 教授     博士生导师   硕士生导师
    • 主要任职:力学与航空航天学院副院长
    • 其他任职:工程力学系副主任(分管本科生、研究生培养)
    • 性别:男
    • 毕业院校:大连理工大学
    • 学位:博士
    • 所在单位:力学与航空航天学院
    • 学科:工程力学. 计算力学. 生物与纳米力学
    • 办公地点:一号综合实验楼620B房间
    • 电子邮箱:zhengyg@dlut.edu.cn

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    Single-walled carbon nanotubes filled with bimetallic alloys: Structures and buckling behaviors

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    论文类型:期刊论文

    发表时间:2008-04-15

    发表刊物:JOURNAL OF APPLIED PHYSICS

    收录刊物:SCIE、EI

    卷号:103

    期号:8

    ISSN号:0021-8979

    摘要:Structural and mechanical properties of single-walled carbon nanotubes (SWCNTs) completely filled with bimetallic alloys are investigated using classic molecular dynamics method. Progresses on both synthesis and property researches of metal-filled carbon nanotubes are also comprehensively reviewed. Different initial equilibrium structures and buckling behaviors are exhibited for tubes filled with alloys of different species and compositions. The critical buckling strain of a SWCNT filled with mixed metals can be higher than that of the tube encapsulated with any pure component metals. Strong dependencies of buckling deformations on the initial random distributions of the encapsulated alloy metals are also reported. (c) 2008 American Institute of Physics.