Electronic properties of strained Si/Ge core-shell nanowires

We investigated the electronic properties of strained Si/Ge core-shell nanowires along the [110] direction using first principles calculations based on density-functional theory. The diameter of the studied core-shell wire is up to 5 nm. We found the band gap of the core-shell wire is smaller than t...

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Veröffentlicht in:Applied physics letters 2010-04, Vol.96 (14), p.143119-143119-3
Hauptverfasser: Peng, Xihong, Logan, Paul
Format: Artikel
Sprache:eng
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