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Temperature dependence of optical absorption in In 1‐x Ga x As solid solutions
Author(s) -
Derin H.,
Aliyev M. I.,
Aliyev I. M.,
Ibragimov G. B.
Publication year - 2006
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.200510692
Subject(s) - absorption (acoustics) , attenuation coefficient , absorption edge , photon energy , exponential function , chemistry , absorption spectroscopy , analytical chemistry (journal) , spectral line , band gap , photon , materials science , optics , physics , optoelectronics , mathematical analysis , mathematics , chromatography , astronomy
Absorption spectra near the fundamental absoption edge of n‐type of In 1‐x Ga x As are studied. The temperature coefficient of the In 1‐x Ga x As energy gap, dE g /dT, has been obtained and compared with calculated data. An exponential dependence of the absorption coefficient on photon energy has been found. The slope of the exponential absorption curve is discussed. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)