Experimental Evidence for the Existence of an Electron-Hole Liquid in II-VI Compounds
- 27 September 1976
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 37 (13), 871-874
- https://doi.org/10.1103/physrevlett.37.871
Abstract
Measurements of optical absorption and gain in CdS and gain in CdSe show that for high excitation density optically excited carriers form an electron-hole liquid with binding energy of 13 meV for CdS and 2 meV for CdSe. The measurements are compared to a recent theory for electron-hole liquid formation in polar semiconductors.Keywords
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