The role of non-uniform dielectric permittivity in the determination of heterojunction band offsets by cv-profiling through isotype heterojunctions (CROSBI ID 240341)
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Babić, Dubravko I. ; Kroemer, Herbert
engleski
The role of non-uniform dielectric permittivity in the determination of heterojunction band offsets by cv-profiling through isotype heterojunctions
Up to now, C–V profiling through isotype heterojunctions has been performed assuming a uniform dielectric permittivity throughout the heterostructure. We extend the interpretation of C–V data to the case of a semiconductor with position-dependent dielectric permittivity, and we show that the variation of the dielectric permittivity across an isotype heterojunction interface has no effect on the determination of the heterojunction band discontinuity and the interface charge density.
heterojunctions, capacitance-voltage profiling, band offset, algaas, gaas
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Povezanost rada
Elektrotehnika