Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
80 (1996), S. 5941-5945
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
We report the photoluminescence studies of the strained CdTe/CdMnTe single quantum wells (SQWs) with large manganese of 0.367. The conduction band-offset ratio Qc of this structure is found to be 0.92±0.01. The band filling effect in this SQW is discussed in detail. Our experiments show that the excitonic transition dominates the whole measured temperature (20–200 K) in the well. The broadening of linewidth with temperature can be well explained by exciton-longitudinal-optical (LO) phonon coupling model and a quantitative approach is presented to explain the experimental fact that the strength of the exciton-LO phonon coupling is quite stronger in SQWs than that of multiple quantum wells. We demonstrate the main mechanism of the decrease in radiative QW recombination efficiency is due to the thermal excitation of excitons out of CdTe well, followed by nonradiative recombination in the CdMnTe barriers. © 1996 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.363589
Permalink
Library |
Location |
Call Number |
Volume/Issue/Year |
Availability |