Interface recombination influence on carrier transport

A theory of interface recombination in the semiconductor-semiconductor junction is developed. The interface recombination rate dependence on the nonequilibrium carrier densities is derived on the basis of a model in which the interface recombination occurs through the mechanism of trapping. The gene...

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Veröffentlicht in:Semiconductor science and technology 2013-02, Vol.28 (2), p.25003
1. Verfasser: Konin, A
Format: Artikel
Sprache:eng
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Zusammenfassung:A theory of interface recombination in the semiconductor-semiconductor junction is developed. The interface recombination rate dependence on the nonequilibrium carrier densities is derived on the basis of a model in which the interface recombination occurs through the mechanism of trapping. The general relation between the interface recombination parameters at small carrier density deviation from the equilibrium ones is obtained. The validity of this relation is proved considering the generation of the Hall electric field in the extrinsic semiconductor sample. The anomalous Hall electromotive force in a weak magnetic field was investigated and interpreted by means of a new interface recombination model. The experimental data corroborate the developed theory.
ISSN:0268-1242
1361-6641
DOI:10.1088/0268-1242/28/2/025003