Two-phonon Raman spectra of tetragonal crystals ZnP2, CdP2, and TeO2

S. G. Garasevich; Victor O. Gubanov; P. Korenyuk; Sergiy Koryakov; A. V. Slobodyanyuk; Z. A. Yanchuk

doi:10.1117/12.569596

20 July 2004 Two-phonon Raman spectra of tetragonal crystals ZnP₂, CdP₂, and TeO₂

S. G. Garasevich, Victor O. Gubanov, P. Korenyuk, Sergiy Koryakov, A. V. Slobodyanyuk, Z. A. Yanchuk

Proceedings Volume 5507, XVI International Conference on Spectroscopy of Molecules and Crystals; (2004) https://doi.org/10.1117/12.569596
Event: XVI International Conference on Spectroscopy of Molecules and Crystals, 2003, Sevastopol, Ukraine

Abstract

Two-phonon Raman spectra of ciystals ZnP₂, CdP₂, and Te0₂ were measured. All these ciystals are gyrotropic and belong to P4₁2₁2 or P4₃2₁2 enantiomorphous space symmetry groups. The selection rules for overtones and combined tones at high symmetry points Γ, Z, A, M, X and R of Brillouin zone were obtained using irreducible projective representations of wave vector symmetry groups Zero slope points were identified too. It was determined lines, which correspond to overtones of point Γ and vibrations on boundary Brillouin zone.

Citation Download Citation

S. G. Garasevich, Victor O. Gubanov, P. Korenyuk, Sergiy Koryakov, A. V. Slobodyanyuk, and Z. A. Yanchuk "Two-phonon Raman spectra of tetragonal crystals ZnP₂, CdP₂, and TeO₂", Proc. SPIE 5507, XVI International Conference on Spectroscopy of Molecules and Crystals, (20 July 2004); https://doi.org/10.1117/12.569596

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