Electronic Transport Properties of (7,0) Semiconducting Carbon Nanotube

SONG Jiu-Xu; YANG Yin-Wang; CHAI Chang-Chun; LIU Hong-Xia; DING Rui-Xue

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Electronic Transport Properties of (7,0) Semiconducting Carbon Nanotube

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Electronic transport properties of a finite (7,0) carbon nanotube (CNT) coupled to Au (111) surfaces are investigated with a fully nonequilibrium Green's functions method combined with the density functional theory. The results show that the coupling effect between the CNT and Au electrode plays an important role in the transport properties, which leads to the formation of a high plateau in the transmission spectrum around Fermi energy. In addition, the current-voltage characteristic of the (7,0) CNT coupled to Au electrodes is different from an isolated (7,0) CNT.

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《中国物理快报：英文版》 |2008年第9期|3212-3214|共3页
作者
SONG Jiu-Xu; YANG Yin-Wang; CHAI Chang-Chun; LIU Hong-Xia; DING Rui-Xue;
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作者单位

Key Lab of Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices,Xidian University, Xi'an 710071;

Key Lab of Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices,Xidian University, Xi'an 710071;

Key Lab of Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices,Xidian University, Xi'an 710071;

Key Lab of Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices,Xidian University, Xi'an 710071;

Key Lab of Ministry of Education for Wide Band-Gap Semiconductor Materials and Devices,Xidian University, Xi'an 710071;

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中图分类物理学;
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Electronic Transport Properties of (7,0) Semiconducting Carbon Nanotube

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