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含孔缺陷石墨烯纳米条带的电学特性研究

魏晓林 陈元平 王如志 钟建新

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含孔缺陷石墨烯纳米条带的电学特性研究

魏晓林, 陈元平, 王如志, 钟建新

Studies on electrical properties of graphene nanoribbons with pore defects

Wei Xiao-Lin, Chen Yuan-Ping, Wang Ru-Zhi, Zhong Jian-Xin
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  • 本文系统地研究了不同形状(三方、四方及六方) 的孔缺陷对锯齿形石墨烯纳米条带电学特性的影响. 结果表明: 孔缺陷形状对于石墨烯纳米条带的电导及电流特性影响显著, 其可能源于不同形状的孔缺陷边界对于电子散射的不同; 另外, 当缺陷悬挂吸附氢或氮原子, 将引起孔缺陷形状改变, 因此不同孔缺陷吸附对于石墨烯纳米条带的电学特性的影响也各不相同. 本研究将为石墨烯基电子器件失效分析及石墨烯孔结构器件设计提供有价值的理论指导.
    In practical applications of graphene-based electronic devices, they may have some pore defects under energetic particle bombardment, or chemical corrosion, which will inevitably affect their electrical properties. These problems have recently aroused great concern and interest. In this paper, we systematically study the influence of shape (tripartite, tetragonal and hexagonal) of hole defect on the electrical property of zigzag graphene nanoribbon (ZGNR). The results show that the influence of the shape of the pore defects on the conductance and current characteristics of ZGNRs is significant, whicl may result from electron scattering for the different shapes of the poredefect boundary. In addition, due to defects in suspension adsorbed hydrogen or nitrogen atoms, caused by defects of the pore shape changes, it also affects the electrical properties of ZGNRs. This study will supply valuable theoretical guidances for graphene-based electronic device failure analysis and the design of the graphene pore structure.
    • 基金项目: 国家自然科学基金 (批准号: 11204262)、湖南省高等学校重点实验室开放项目 (批准号: 12K045) 和湖南省科技厅计划项目 (批准号: 2012SK3166) 资助的课题.
    • Funds: Project supported by the National Natural Science Foundation of China (Grant No. 11204262) the Open Fund based on innovation platform of Hunan colleges and universities (Grant No. 12K045), and the Hunan Science and Technology Bureau planned project (Grant No. 2012SK3166).
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    Wei X L, Fang H, Wang R Z, Chen Y P, Zhong J X 2011 Appl. Phys. Lett. 99 012107

    [3]

    Zhi Y, Gao R, Hu N, Chai J, Cheng Y, Zhang L, Wei H, Kong E S-W, Zhang Y 2012 Nano-Micro Lett. 4 1

    [4]

    Wang X M, Liu H 2011 Acta Phys. Sin. 60 047102 (in Chinese) [王雪梅, 刘红 2011 物理学报 60 047102]

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    Xiao J, Yang Z X, Xie W T, Xiao L X, Xu H, OuYang F P 2012 Chin. Phys. B 21 027102

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    [10]

    Postma H W C 2010 Nano Lett. 10 420

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    Garaj S, Hubbard W, Reina A, Kong J, Branton D, Golovchenko J A 2010 Nature 467 190

    [12]

    Yamaguchi Y,Gspann J 2002 Phys. Rev. B 66 155408

    [13]

    Czerwinski B, Samson R, Garrison B, Winograd N, Postawa Z 2006 Vacuum 81 167

    [14]

    Samela J, Nordlund K, Keinonen J, Popok V N, Campbell E E B 2007 The Euro. Phys. Jour. D 43 181

    [15]

    Inui N, Mochiji K, Moritani K 2008 Nanotechnology 19 505501

    [16]

    Wei X L, Zhang K W, Wang R Z, Liu W L, Zhong J X 2011 Journal of Nanoscience and Nanotechnology 11 10863

    [17]

    Gunlycke D, White C T 2011 Phys. Rev. Lett. 106 136806

    [18]

    Haskins J, Kinaci A, Sevik C, Sevincli H, Cuniberti G, Cagin T 2011 Acs Nano 5 3779

    [19]

    Zhang Y H, Yue L J, Han L F, Chen J L, Fang S M, Jia D Z, Li F 2011 Computational and Theoretical Chemistry 972 63

    [20]

    Hu H F, Gu L, Wang W, Jia J F, Wang Z Y 2011 Acta Phys. Sin. 60 017102 (in Chinese) [胡慧芳, 顾林, 王巍, 贾金凤, 王志勇 2011 物理学报 60 017102]

    [21]

    Yao Z D, Li W, Gao X L 2012 Acta Phys. Sin. 61 117105 (in Chinese) [姚志东, 李炜, 高先龙 2012 物理学报 61 117105]

    [22]

    Wei X L, Chen Y P, Liu W L, Zhong J X 2012 Phys. Lett. A 376 559

    [23]

    Kresse G, Furthmuller J 1996 Phys. Rev. B 54 11169

    [24]

    Perdew J P, Wang Y 1992 Phys. Rev. B 45 13244

    [25]

    Kresse G, Joubert D 1999 Phys. Rev. B 59 1758

    [26]

    Blochl P E 1994 Phys. Rev. B 50 17953

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    Stokbro K, Petersen D E, Smidstrup S, oslash, ren, Blom A, Ipsen M, Kaasbjerg K 2010 Phys. Rev. B 82 075420

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出版历程
  • 收稿日期:  2012-08-29
  • 修回日期:  2012-10-24
  • 刊出日期:  2013-03-05

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