Formation of metastable above-barrier hole states in ZnSe/BeTe type II heterostructures under high-density optical excitation View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

2008-12

AUTHORS

A. A. Maksimov, S. V. Zaitsev, E. V. Filatov, A. V. Larionov, I. I. Tartakovskii, D. R. Yakovlev, A. Waag

ABSTRACT

A considerable slowing down of the luminescence kinetics of the direct optical transitions has been discovered in ZnSe/BeTe type II heterostructures under high-density optical pumping by femtosecond laser pulses. The effect is attributed to the potential barrier that appears due to the strong band bending at a high density of spatially separated photoexcited carriers and forms a metastable above-barrier hole state in the ZnSe layer. This yields a longer energy relaxation time of the holes migrating to the adjacent BeTe layer. The experimental results agree well with the numerical calculations. More... »

PAGES

511-514

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0021364008200095

DOI

http://dx.doi.org/10.1134/s0021364008200095

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1045568201


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