Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
54 (1989), S. 2097-2099
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Negative photoconductivity caused by "carrier drag'' is experimentally verified for the first time. In p-modulation-doped GaAs/AlGaAs quantum wells carrier drag, leading to "negative absolute mobility'' of injected minority electrons, results in a decrease of the total in-plane current in the quantum wells. The temperature dependence of the measured differential photoconductivity quantitatively agrees with the expected behavior due to the effect of electron-hole scattering.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.101175
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