Optical absorption near the fundamental absorption edge in GaSb

C. Ghezzi, R. Magnanini, A. Parisini, B. Rotelli, L. Tarricone, A. Bosacchi, S. Franchi

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Abstract

The fundamental absorption of GaSb, experimentally investigated by optical transmission measurements performed in the temperature range 9-300 K on nominally undoped molecular-beam-epitaxy-grown GaSb layers, is compared to theory. Calculations related to a band-to-band optical transition theory based on the models of Kane and Elliott, considering the band nonparabolicity and the electron-hole (exciton) interaction effects, respectively, show excellent agreement with experimental results. The role of different contributions to absorption coefficient is discussed.

Original languageEnglish
Pages (from-to)1463-1466
Number of pages4
JournalPhysical Review B
Volume52
Issue number3
DOIs
Publication statusPublished - Jan 1 1995

ASJC Scopus subject areas

  • Condensed Matter Physics

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  • Cite this

    Ghezzi, C., Magnanini, R., Parisini, A., Rotelli, B., Tarricone, L., Bosacchi, A., & Franchi, S. (1995). Optical absorption near the fundamental absorption edge in GaSb. Physical Review B, 52(3), 1463-1466. https://doi.org/10.1103/PhysRevB.52.1463