Carrier Transport in Heterojunction Nanocrystals Under Strain

Details Carrier Transport in Heterojunction Nanocrystals Under Strain Carrier Transport in Heterojunction Nanocrystals Under Strain

2011-10-06

arxiv.org/abs/1110.1140v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

This paper has been withdrawn by the author pending journal review

Scientific paper

We present a theory for carrier transport in semiconducting nanoscale heterostructures that emphasizes the effects of strain at the interface between two different crystal structures. An exactly solvable model shows that the interface region, or junction, acts as a scattering potential that facilitates charge separation but also supports bound interfacial states. As a case study, we model a Type-II CdS/ZnSe heterostructure. After advancing a theory similar to that employed in model molecular conductance calculations, we calculate the electron and hole photocurrents and conductances, including non-linear effects, through the junction at steady-state.

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