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Infrared Optical Characterization of Thermally Oxidized CuInSe 2 Single Crystals
Author(s) -
Sobotta H.,
Neumann H.,
Tomlinson R. D.,
Riede V.
Publication year - 1991
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.2170260422
Subject(s) - infrared , infrared spectroscopy , spectral line , molecular vibration , wavenumber , characterization (materials science) , kramers–kronig relations , single crystal , chemistry , analytical chemistry (journal) , atmospheric temperature range , materials science , crystallography , optics , molecule , optoelectronics , refractive index , physics , nanotechnology , thermodynamics , organic chemistry , chromatography , astronomy
Infrared reflectivity spectra of thermally oxidized CuInSe 2 single crystals are measured at room temperature in the wavenumber range from 180 to 4000 cm −1 . A Kramers‐Kronig analysis of the spectra reveals seven vibrational modes with frequencies which agree with mode frequencies in In 2 O 3 . No vibrational modes due to Cu–O and Se–O bonds could be observed. The results obtained are compared with previous studies of oxidized CuInSe 2 crystals.