Compositional Dependence of Optical Modes Frequencies in T1Ga<i><sub>x</sub></i>In<sub>1-<i>x</i></sub>S<sub>2</sub> Layered Mixed Crystals (0 ≤ <i>x</i> ≤ 1)
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Date
2014
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Polish Acad Sciences inst Physics
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Abstract
The infrared transmittance and Raman scattering spectra in TlGaxIn1-xS2 (0 <= x <= 1) layered mixed crystals grown by the Bridgman method were studied in the frequency ranges of 400-2000 and 250-400 cm(-1), respectively. The bands observed at room temperature in IR transmittance spectra of TlGaxIn1-xS2 were interpreted in terms of multiphonon absorption processes. The dependences of the frequencies of IR- and Raman-active modes on the composition of TlGaxIn1-xS2 mixed crystals were also established. The structural characterization of the mixed crystals was investigated by means of X-ray diffraction measurements and compositional dependence of lattice parameters was revealed.
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Korkmaz, Filiz/0000-0003-3512-3521; Gasanly, Nizami/0000-0002-3199-6686; Gasanly, Nizami/0000-0002-3199-6686;
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0
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Q4
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Volume
126
Issue
3
Start Page
747
End Page
750