Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
53 (1988), S. 1195-1197
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The pressure dependence of the DX center in Ga1−xAlxAs :Te has been studied in two samples with x=0.15 and 0.35, respectively. The pressure coefficients of the activation energies for both emission and capture were found to change sign when the band gap of GaAlAs changes from direct to indirect. These results, together with previous experiments, suggested that electrons can be emitted from and capture into the DX centers via both L and X valleys.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.100017
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