Giant blue shift of photoluminescence in strongly excited type-II ZnSe/BeTe superlattices

S. V. Zaǐtsev, V. D. Kulakovskiǐ, A. A. Maksimov, D. A. Pronin, I. I. Tartakovskiǐ, N. A. Gippius, M. Th Litz, F. Fisher, A. Waag, D. R. Yakovlev, W. Ossau, G. Landwehr

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

A giant blue shift (≈0.5 eV) and a large decrease in the emission time of a spectral band corresponding to radiative recombination of spatially separated electrons and holes are observed in ZnSe/BeTe superlattices at high laser excitation levels. On the basis of numerical calculations, the observed defects are attributed to band bending arising in type-II structures at high carrier density.

Original languageEnglish
Pages (from-to)376-381
Number of pages6
JournalJETP Letters
Volume66
Issue number5
DOIs
Publication statusPublished - 1997
Externally publishedYes

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