THE ENERGY BARRIER FOR ELECTRON TRAPPING IN ALXGA1-XAS
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Akademie Verlag Gmbh
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Article
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Abstract
Transient decay of persistent photoconductivity measurements are carried out in samples of different compositions. The capture barrier for electron trapping by DX centers is obtained using a method which employs the Brooks-Herring equation for the electronic mobility. The effect of polarization of the screening cloud is analysed using Takimoto's potential and specifies the limits of applicability of the Brooks-Herring equation in AlxGa1-xAs.
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English
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Physica Status Solidi A-applied Research. Berlin: Akademie Verlag Gmbh, v. 139, n. 1, p. 145-152, 1993.
