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A Chaotic Potential of Charged Dislocations in Group III-Nitride Heterojunctions

The structure of the chaotic potential caused by the electrostatic field of charged dislocations in group III-nitride heterojunctions is investigated. Taking into account the spatial dispersion of the dielectric response of a two-dimensional electron gas, the amplitude and scale of the chaotic poten...

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Bibliographic Details
Published in:Technical physics letters 2021, Vol.47 (1), p.8-10
Main Authors: Bondarenko, V. B., Filimonov, A. V., Kumar, Ravi
Format: Article
Language:English
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Summary:The structure of the chaotic potential caused by the electrostatic field of charged dislocations in group III-nitride heterojunctions is investigated. Taking into account the spatial dispersion of the dielectric response of a two-dimensional electron gas, the amplitude and scale of the chaotic potential in the junction plane are determined. It is shown that the parameters of the chaotic potential depend on the density of surface states and the concentration of dislocations.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785021010053