Excitonic Electroabsorption in Solid Solution of CdxZn1-xS Single Crystals
- 1 August 1993
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 32 (8R)
- https://doi.org/10.1143/jjap.32.3385
Abstract
Excitonic electroabsorption (EA) of Cd x Zn1-x S (x=1.0, 0.8, 0.7 and 0.0) solid solution single crystals was investigated at 150 and 77 K. The EA spectra have been analysed within the context of the Stark theory that enables the lowest bound exciton states in the solid solution at each composition to be located precisely. This allows the determination of the reduced effective mass of the exciton which is found to vary linearly with the optical band gap as predicted theoretically.Keywords
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