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Alloying induced degradation of the absorption edge of $InAs_xSb_{1-x}$

Bansal, Bhavtosh and Dixit, VK and Venkataraman, V and Bhat, HL (2007) Alloying induced degradation of the absorption edge of $InAs_xSb_{1-x}$. In: Applied Physics Letters, 90 (10). pp. 101905-3.

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$InAs_xSb_{1-x}$ alloys show a strong bowing in the energy gap, the energy gap of the alloy can be less than the gap of the two parent compounds. The authors demonstrate that a consequence of this alloying is a systematic degradation in the sharpness of the absorption edge. The alloy disorder induced band-tail Urbach tail characteristics are quantitatively studied for $InAs_{0.05}Sb_{0.95}$

Item Type: Journal Article
Publication: Applied Physics Letters
Publisher: American Institute of Physics
Additional Information: Copyright of this article belongs to American Institute of Physics.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 19 Jun 2007
Last Modified: 19 Sep 2010 04:38
URI: http://eprints.iisc.ac.in/id/eprint/11196

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