Optical phonons in Rb2TeBr6 and Cs2TeBr6 crystals

Raman scattering in Rb2TeBr6 and Cs2TeBr6 crystals is studied. The phonon spectra of the crystals are calculated using the factor group method. The number of Raman-active modes, their symmetries, and selection rules are found. Observed Raman spectrum lines are identified with atomic vibration modes...

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Veröffentlicht in:	Fizika tverdogo tela 2004-06, Vol.46 (6), p.995-997
Hauptverfasser:	Stefanovich, V A, Suslikov, L M, Gad'mashi, Z P, Peresh, E Y, Sidei, V I, Zubaka, O V, Galagovets, I V
Format:	Artikel
Sprache:	rus
Online-Zugang:	Volltext
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Zusammenfassung:	Raman scattering in Rb2TeBr6 and Cs2TeBr6 crystals is studied. The phonon spectra of the crystals are calculated using the factor group method. The number of Raman-active modes, their symmetries, and selection rules are found. Observed Raman spectrum lines are identified with atomic vibration modes of the crystal.
ISSN:	0367-3294