New surface polariton in spatially dispersive semiconductors

P. Halevi, Oliver B.M. Hardouin Duparc, A. A. Maradudin, R. F. Wallis

Research output: Contribution to journalArticlepeer-review

Abstract

We predict a new surface polariton mode in semiconductors with split exciton bands with linear in the wave vector. It is the only surface polariton whose existence is a result of spatial dispersion (nonlocal effects). Calculated attenuated-total-reflection spectra for the B(n=1) exciton of CdS exhibit a well-defined minimum corresponding to this mode, in addition to the usual minimum (which persists even in the local limit).

Original languageEnglish
Pages (from-to)6986-6988
Number of pages3
JournalPhysical Review B
Volume32
Issue number10
DOIs
Publication statusPublished - 1 Jan 1985
Externally publishedYes

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