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Raman spectra of single crystal CuO

Sadowski, Wojciech
François, Michel
Published in Solid State Communications. 1990, vol. 73, no. 6, p. 447-451
Abstract Polarized Raman measurements on single crystals of CuO yield the symmetry assignments of the three predicted Raman active lattice modes : 297cm−1 (Ag, 344cm−1 (Bg) and 629cm−1 (Bg). These results are compared to literature data, including IR spectra. Our measurements confirm at low temperature the appearance of an additional Raman band around 240 cm−1. The temperature dependence of the linewidth of the Ag mode presents an anomalous behavior near the magnetic phase transition, suggesting the possible presence of magnon-phonon couplings in the antiferromagnetic phase.
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Research group Groupe Bill
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HAGEMANN, Hans-Rudolf et al. Raman spectra of single crystal CuO. In: Solid State Communications, 1990, vol. 73, n° 6, p. 447-451. doi: 10.1016/0038-1098(90)90048-G https://archive-ouverte.unige.ch/unige:3053

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Deposited on : 2009-09-21

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