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  • 1
    Electronic Resource
    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
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