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多氮/硼掺杂带帽碳纳米管分子结电子输运性质
  • ISSN号：0023-074X
  • 期刊名称：《科学通报》
  • 时间：0
  • 分类：TN304.18[电子电信—物理电子学]
  • 作者机构：[1]济南大学物理科学与技术学院,济南250022, [2]山东大学物理学院,晶体材料国家重点实验室,济南250100
  • 相关基金：国家自然科学基金（11104115,11074146）; 山东省自然科学基金（ZR2009AL004）; 济南大学博士基金（XBS1004）资助
作者： 赵朋[1], 刘德胜[2]
关键词： 碳纳米管, 整流, 负微分电阻, 非平衡格林函数, 密度泛函理论
中文摘要：

利用非平衡格林函数和第一性密度泛函理论,我们研究了多氮/硼掺杂带帽碳纳米管分子结的电子输运特性.结果显示,电子输运性质强烈依赖于氮/硼的掺杂数目和掺杂位置.单氮/硼掺杂时出现最好的整流行为.随着掺杂数目的增多,整流性能显著降低.此外,一些掺杂情形在非常低的偏压下出现明显的负微分电阻行为.

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期刊信息
  • 《科学通报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国科学院
  • 主编：周光召
  • 地址：北京东黄城根北街16号
  • 邮编：100717
  • 邮箱：csb@scichina.org
  • 电话：010-64036120 64012686
  • 国际标准刊号：ISSN：0023-074X
  • 国内统一刊号：ISSN：11-1784/N
  • 邮发代号:80-213
  • 获奖情况:
  • 首届国家期刊奖,中国期刊方阵“双高”期刊,第三届中国出版政府奖
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  • 被引量:81792