| Autor: |
John Hegarty, John F. Donegan, R.F. Austin, J. P. Doran, Roland A. Fischer, R.D. Feldman, Ernst O. Göbel, R.P. Stanley |
| Rok vydání: |
1993 |
| Předmět: |
|
| Zdroj: |
Physica B: Condensed Matter. 185:566-570 |
| ISSN: |
0921-4526 |
| Popis: |
A series of Cd 0.33 Zn 0.67 Te/ZnTe single quantum wells of thickness 40 A, 70 A and 100 A are studied using CW and time-resolved photoluminescence techniques. The exciton-photon interaction is found to decrease with decreasing well thickness, this result having implications for room temperature devices. Time-resolved measurements reveal photo-luminescence lifetimes increasing with temperature showing that the recombination at low temperatures is predominantly radiative. This is an indication of very high material quality. To our knowledge, such behaviour has not been observed previously in II–VI materials. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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