Chin. Phys. Lett.  2010, Vol. 27 Issue (7): 077101    DOI: 10.1088/0256-307X/27/7/077101
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
Strain Effects on Electronic Properties of Boron Nitride Nanoribbons

LI Jin, SUN Li-Zhong, ZHONG Jian-Xin

Laboratory for Quantum Engineering and Micro-Nano Energy Technology, Xiangtan University, Xiangtan 411105 Department of Physics, Xiangtan University, Xiangtan 411105
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LI Jin, SUN Li-Zhong, ZHONG Jian-Xin 2010 Chin. Phys. Lett. 27 077101
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Abstract

We investigate the strain effects on the electronic properties of boron nitride nanoribbons (BNNRs) by using first-principles calculations. The results show that the energy gap of BNNRs with both armchair edges (A-BNNRs) and zigzag edges (Z-BNNRs) decreases as the strain increases. As strain increases, the energy gaps of Z-BNNRs decrease rapidly as the width increases and reduce significantly to small values, which makes Z-BNNRs change from wide-gap to narrow-gap semiconductors.

Keywords: 71.15.Mb      73.22.-f      62.23.Kn      68.60.Bs     
Received: 01 March 2010      Published: 28 June 2010
PACS:  71.15.Mb (Density functional theory, local density approximation, gradient and other corrections)  
  73.22.-f (Electronic structure of nanoscale materials and related systems)  
  62.23.Kn (Nanosheets)  
  68.60.Bs (Mechanical and acoustical properties)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/27/7/077101       OR      https://cpl.iphy.ac.cn/Y2010/V27/I7/077101
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LI Jin
SUN Li-Zhong
ZHONG Jian-Xin
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