Publication
Physical Review B
Paper

Calculation of the optical constants for the potassium halides from Korringa-Kohn-Rostoker energy bands

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Abstract

KKR energy bands are used to calculate joint densities of states for KCl, KBr, and KI between conduction states and valence and core states by means of a simple interpolation scheme. The results are discussed and compared with experimental spectra in the vacuum ultraviolet and soft-x-ray regions. An overall agreement between theory and experiment is found which suggests that strong exciton effects are present in excitations from p-like valence bands, but not from d bands. © 1972 The American Physical Society.

Date

15 May 1972

Publication

Physical Review B

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