Energy gap-refractive index relations in semiconductors - An overview

Document Type

Article

Publication Date

3-1-2007

Abstract

An overview of the understanding of correlations between energy gap and refractive index of semiconductors is presented here. The atomic approach of Moss, the nearly free electron model of Penn, the oscillator concept of Wemple and the optical polarizability approach of Finkenrath are considered in this study. The Ravindra relation is discussed in the context of alternate approaches that have been presented in the literature. Case studies of applications of these relations to infrared materials and wide band gap semiconductors are presented. © 2006 Elsevier B.V. All rights reserved.

Identifier

33847303549 (Scopus)

Publication Title

Infrared Physics and Technology

External Full Text Location

https://doi.org/10.1016/j.infrared.2006.04.001

ISSN

13504495

First Page

21

Last Page

29

Issue

1

Volume

50

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