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2014 | 126 | 3 | 747-751
Article title

Compositional Dependence of Optical Modes Frequencies in TlGa_xIn_{1-x}S_2 Layered Mixed Crystals (0 ≤ x ≤1)

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Abstracts
EN
The infrared transmittance and Raman scattering spectra in TlGa_xIn_{1-x}S_2 (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 TlGa_xIn_{1-x}S_2 were interpreted in terms of multiphonon absorption processes. The dependences of the frequencies of IR- and Raman-active modes on the composition of TlGa_xIn_{1-x}S_2 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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Contributors
author
  • Department of Electrical and Electronics Engineering, Atilim University, 06836 Ankara, Turkey
author
  • Department of Physics, Middle East Technical University, 06800 Ankara, Turkey
author
  • Department of Electrical and Electronics Engineering, Atilim University, 06836 Ankara, Turkey
References
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Document Type
Publication order reference
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bwmeta1.element.bwnjournal-article-appv126n319kz
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