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Proceedings Paper

Pressure dependence of photoluminescence in CdTe/CdMnTe quantum wells
Author(s): Hai-Ping Zhou; Cliva M. Sotomayor-Torres; B. Lunn; D. E. Ashenford
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Paper Abstract

The photoluminescence (PL) of CdTe/CdMnTe quantum wells (QWs) with well widths from 20 to 150 angstroms has been investigated as a function of hydrostatic pressure (0 - 37 kbar) at liquid-helium temperature. No band crossovers were observed before the phase transition at approximately 33 kbar. Pressure coefficients of the E(Gamma )1h transitions between the quantized ground levels of the (Gamma) conduction band and the heavy-hole valence band are presented for various well widths. The pressure coefficient is found to increase with decreasing well widths, as in InGaAs/GaAs strained quantum wells but unlike that observed in the GaAs/AlGaAs quantum well system.

Paper Details

Date Published: 3 September 1992
PDF: 8 pages
Proc. SPIE 1675, Quantum Well and Superlattice Physics IV, (3 September 1992); doi: 10.1117/12.137609
Show Author Affiliations
Hai-Ping Zhou, Univ. of Glasgow (United Kingdom)
Cliva M. Sotomayor-Torres, Univ. of Glasgow (United Kingdom)
B. Lunn, Univ. of Hull (United Kingdom)
D. E. Ashenford, Univ. of Hull (United Kingdom)

Published in SPIE Proceedings Vol. 1675:
Quantum Well and Superlattice Physics IV
Gottfried H. Doehler; Emil S. Koteles, Editor(s)

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