| Issue |
Eur. Phys. J. Appl. Phys.
Volume 50, Number 3, June 2010
|
|
|---|---|---|
| Article Number | 30402 | |
| Number of page(s) | 3 | |
| Section | Physics of Organic Materials and Devices | |
| DOI | https://doi.org/10.1051/epjap/2010050 | |
| Published online | 23 April 2010 | |
https://doi.org/10.1051/epjap/2010050
Strain effect on graphene ribbons in applied electric field
College of Mathematics and Science in Chongqing University, 400044, Chongqing P.R. China
Corresponding author: kachongzaixian00@163.com
Received:
17
June
2009
Revised:
31
November
2009
Accepted:
11
March
2010
Published online:
23
April
2010
The strain-dependent electronic structure of graphene ribbons is studied based on tight-binding theory. The change of ribbons in applied electric field brought by strain is revealed. In contrast to normal strain, it is found that shear strain yields new transverse electric field which is similar to Hall effect. The conductance of ribbons under uniform uniaxial strain is calculated in Landauer formula. It is obtained that the conductance decreases (increases) 1.62% (1.64%) under the 0.5% uniaxial tension (0.5% compression) for a 200 nm-width ribbon.
© EDP Sciences, 2010
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