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Journal Article Photoreflectance Interference in Dielectric Single Heterojunctions
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Authors
Kyu Seok Lee
Issue Date
2006-11
Citation
Journal of the Korean Physical Society, v.49, no.5, pp.2045-2048
ISSN
0374-4884
Publisher
한국물리학회 (KPS)
Language
English
Type
Journal Article
Abstract
We develop an analytic formalism that explains the interference of photore°ectance in dielectric single heterojunctions (DSHs) in the spectral region of the bandgap energy where the refractive indices of the epilayer and the substrate are modulated by the modulation pump beam. As an application, a photore°ectance interference feature of a GaAs epilayer grown on an n-type GaAs substrate is analyzed to determine the epilayer thickness.
KSP Keywords
Band-gap energy, GaAs substrates, N-type, refractive index