Energy band and band-gap properties of deformedsingle-walled silicon nanotubes |
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Authors: | Guang-cun SHAN ( ) Wei HUANG ( ) |
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Abstract: | The fantastic physical properties of single-walled silicon nanotubes (SWSiNTs) under mechanical strain make them promising materials for fabricating nanoscale electronic devices or transducers. Here we investigate the energy band and band-gap properties of the SWSiNTs calculated from the tight-binding model approximation. The results show that the band-gap properties are very sensitive to the deformation degree and the helicity of the SWSiNTs. The results can be employed to guide the design of nanoelectronic devices based on silicon nanotubes. |
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Keywords: | silicon nanotubes band gap deformed energy band |
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