Elsevier

Physics Letters A

Volume 176, Issues 3–4, 10 May 1993, Pages 254-258
Physics Letters A

Band gap of a silicon quantum wire

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Abstract

The energy band gaps of silicon quantum wires have been calculated with an empirical pseudopotential method. It was found that the energy band structures of the wires along the wire direction are approximately those of a direct-gap-like semiconductor. Also the relation between the size and the energy band gaps of a silicon quantum wire was given. Using the calculated results, we analysed the photoluminescence from porous silicon.

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