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Evolution of the electronic structure with size in II-VI semiconductor nanocrystals

Sapra, Sameer and Sarma, DD (2004) Evolution of the electronic structure with size in II-VI semiconductor nanocrystals. In: Physical Review B (Condensed Matter and Materials Physics -15(II)), 69 . pp. 125304-1.

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Abstract

In order to provide a quantitatively accurate description of the band-gap variation with sizes in various II-VI semiconductor nanocrystals, we make use of the recently reported tight-binding parametrization of the corresponding bulk systems. Using the same tight-binding scheme and parameters, we calculate the electronic structure of II-VI nanocrystals in real space with sizes ranging between 5 and 80 Å in diameter. A comparison with available experimental results from the literature shows an excellent agreement over the entire range of sizes.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to American Physical Society (APS)
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 25 Aug 2004
Last Modified: 19 Sep 2010 04:14
URI: http://eprints.iisc.ernet.in/id/eprint/1331

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