Temperature Dependence of Raman-Active Modes of TlIn(0.95Se0.05)2 Single Crystals | Zendy

О. О. Гомоннай | Zendy; Michael Ludemann | Zendy; A. V. Gomonnai | Zendy; I. Yu. Roman | Zendy; А. Г. Сливка | Zendy; Dietrich R. T. Zahn | Zendy

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Temperature Dependence of Raman-Active Modes of TlIn(0.95Se0.05)2 Single Crystals

Author(s) -

О. О. Гомоннай,

Michael Ludemann,

A. V. Gomonnai,

I. Yu. Roman,

А. Г. Сливка,

Dietrich R. T. Zahn

Publication year - 2019

Publication title -

ukrainian journal of physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.213

H-Index - 17

eISSN - 2071-0194

pISSN - 2071-0186

DOI - 10.15407/ujpe64.2.173

Subject(s) - raman spectroscopy , materials science , atmospheric temperature range , spectral line , intensity (physics) , range (aeronautics) , phase (matter) , molecular physics , atomic physics , analytical chemistry (journal) , optics , physics , chemistry , thermodynamics , quantum mechanics , composite material , chromatography

The unpolarized Raman spectra of TlIn(S0.95Se0.05)2 single crystals in the frequency interval 16–340 cm−1 are studied in the temperature interval 30 ≤ T ≤ 293 K. The Raman spectra are analyzed by a multipeak simulation using Lorentzian contours. The temperature behavior of the vibrational band parameters (half-width, intensity, and frequency) is studied with the emphasis on the temperature range, where changes related to phase transformations are revealed.

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