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- Title
Period of photoconductivity oscillations and charge dynamics of quantum dots in p- i- n GaAs/InAs/AlAs heterojunctions.
- Authors
Khanin, Yu.; Vdovin, E.; Makarovskii, O.; Henini, M.
- Abstract
Quantum oscillations of photoconductivity in p- i- n GaAs/InAs/AlAs quantum-dot heterojunctions have been studied. The dominating effect of the dynamics of charge accumulation of optically excited holes at quantum dots on the oscillation period and on the general evolution of the holes with a change in the illumination power has been shown within a simple electrostatic model. Investigation of the temperature dependence of the oscillating structure of the current-voltage characteristics has confirmed our interpretation.
- Subjects
PHOTOCONDUCTIVITY; ELECTRIC charge; QUANTUM dots; GALLIUM arsenide; HETEROJUNCTIONS
- Publication
JETP Letters, 2015, Vol 102, Issue 11, p720
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364015230071