Abstract

Polarized Raman spectra of the Bi2TeO5 single crystal have been investigated for the first time. The group-theoretic analysis of the first-order vibrational spectra is performed. The number of the experimentally observed bands is less than the predicted number of normal modes. The spectral ranges with similar bands are revealed. Some ranges in the spectra of Bi2TeO5 are identified from the spectral data for the materials containing bismuth-oxygen and tellurium-oxygen complexes.

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