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Infrared and Raman spectra of M2Cu2O5 (M=Y, Ho)

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Zeitschrift für Physik B Condensed Matter

Abstract

We report both Raman and infrared reflectivity spectra of M2Cu2O5 (M=Y, Ho) at room temperature in the spectral range of 30–1000 cm−1.37 (31) ir and 18 (15) Raman active modes of Y2Cu2O5 (Ho2Cu2O5) are observed. A factor group analysis has been performed to identify the symmetries of the observed modes. Comparing the vibrational spectra of these compounds we conclude that the phonons above 300 cm−1 originate from the Cu−O vibrations and those under 300 cm−1 from M−O vibrations.

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Alexander von Humboldt Foundation fellow

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Popović, Z.V., Thomsen, C., Cardona, M. et al. Infrared and Raman spectra of M2Cu2O5 (M=Y, Ho). Z. Physik B - Condensed Matter 72, 13–16 (1988). https://doi.org/10.1007/BF01313106

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  • DOI: https://doi.org/10.1007/BF01313106

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