“School of Nano-Sciences”
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| Paper IPM / Nano-Sciences / 11693 |
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By using ab initio density functional theory, the structural and electronic properties of (n,n)@(11,11) double-walled silicon carbide nanotubes (SiCNTs) are investigated. Our calculations reveal the existence of an energetically favorable double-walled nanotube whose interwall distance is about 4.3 Ã
. Interwall spacing and curvature difference are found to be essential for the electronic states around the Fermi level.
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