Vibrational Spectra and Phase Transitions in Layered Semiconducting Ferroelectrics with TlGaSe2 Structure. I. Temperature Dependences of Parameters of the Raman Spectrum Lines of TlGaSe2

Raman spectra of TlGaSe2 single crystals are obtained in the temperature range 85< T < 300 K, which includes the phase transition points. Fitting of the spectra, using the model of additive damped oscillators and a relaxator, yields quantitative information on parameters of the lines. No criti...

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Veröffentlicht in:	Physica status solidi. B. Basic research 1989-06, Vol.153 (2), p.517-527
Hauptverfasser:	Durnev, Yu. I., Kulbuzhev, B. S., Malsagov, A. U., Rabkin, L. M., Torgashev, V. I., Yuzyk, Yu. I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: structure, mechanical and thermal properties Equations of state, phase equilibria, and phase transitions Exact sciences and technology Physics Specific phase transitions
Online-Zugang:	Volltext
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