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Generalized existence conditions for surface states of a semi-infinite Kronig–Penney crystal

✍ Scribed by C. L. Roy; S. K. Tripathy

Publisher: John Wiley and Sons
Year: 1977
Tongue: English
Weight: 188 KB
Volume: 11
Category: Article
ISSN: 0020-7608
DOI: 10.1002/qua.560110103

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✦ Synopsis

Abstract

A derivation of most general existence conditions for surface states of a semi‐infinite Kronig–Penney crystal is reported. They reduce to Steslicka's conditions under a subsidiary restriction and also indicate that the surface‐state energies may lie in the allowed bulk bands. Numerical computations supporting the qualitative conclusions are provided.

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