Electronic transport properties of an(8,0) carbon/boron nitride nanotube heterojunction

被引：0
作者：
刘红霞 [1 ]
张鹤鸣 [1 ]
宋久旭 [1 ]
张志勇 [2 ]
机构：
[1] Key Laboratory of Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices,School of Microelectronics, Xidian University
[2] Information Science and Technology Institution,Northwest University
来源：
ChinesePhysicsB | 2010年 / 19卷 / 03期
关键词：
nanotube heterojunction; nonequilibrium Green’s function; transport properties;
D O I：
暂无
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The structure of a heterojunction made up of an(8,0) carbon nanotube and an(8,0) boron nitride nanotube is achieved through geometry optimization implemented in the CASTEP package.Based on the optimized geometry,the model of the heterojunction is established.Its transport properties are investigated by combining the nonequilibrium Green’s function with density functional theory.Results show that both the lowest unoccupied molecular orbital and the highest occupied molecular orbital mainly locate on the carbon nanotube section.In the current-voltage characteristic of the heterojunction,a rectification feature is revealed.
引用
收藏
页码：449 / 453
页数：5
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