Abstract
The Raman spectra of mixed crystals TlInS2xSe2(1−x) have been investigated in the composition range of 0.25≤x≤0.75 and in the high-frequency region of 250–350cm−1 at room temperature. It was observed that Raman-active mode frequencies decrease as the selenium atoms content increases in the mixed crystals. The effect of crystal disorder on the line broadening of three high-frequency modes is reported.
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