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Applied Physics Letters / Volume 97 / Issue 5 / STRUCTURAL, MECHANICAL, THERMODYNAMIC, AND OPTICAL PROPERTIES OF CONDENSED MATTER

Appl. Phys. Lett. 97, 051901 (2010); http://dx.doi.org/10.1063/1.3473726 (3 pages)

Modulating the electronic structures and optical absorption spectra of BeO nanotubes by uniaxial strain

Jiangang He1,2, Kechen Wu1, Rongjian Sa1, Qiaohong Li1, and Yongqin Wei1

1State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, People's Republic of China
2Graduate University of Chinese Academy of Sciences, Beijing 100039, People's Republic of China

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(Received 22 June 2010; accepted 8 July 2010; published online 3 August 2010)

The electronic structures, optical absorption spectra, and the modulation of uniaxial strain along tube axis to electronic structures and optical absorption spectra of BeO nanotubes have been studied using the density functional theory. The results show that the absorption spectrum of BeO nanotubes is anisotropic with respect to light polarization and is closely related to the chirality and diameter of tube. The uniaxial strain can effectively modulate the electronic structures and absorption spectra of BeO nanotubes, indicating the armchair BeO nanotubes can be used as the anisotropic device and sensor of photoelectron.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

band structure, beryllium compounds, density functional theory, nanotubes, photoelectric devices

PACS

  • 73.22.-f

    Electronic structure of nanoscale materials and related systems

  • 71.20.Ps

    Other inorganic compounds

  • 78.67.Ch

    Nanotubes

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3473726

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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