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Raman scattering in a LiNiPO4 single crystal

Fomin, V. I.
Gnesdilov, V.P.
Kurnosov, V. S.
Peschanskii, A. V
Yeremenko, A. V
Published in Low Temperature Physics. 2002, vol. 28, no. 3, p. 203-209
Abstract The complete Raman spectra of a single crystal of LiNiPO4 for a wide temp. range are reported. Of the 36 Raman-active modes predicted by group theory, 33 have been detected. The spectra are successfully analyzed in terms of internal modes of the (PO4)3- group and external modes. Multiphonon Raman scattering is also discussed. Low-frequency lines, observed in the antiferromagnetic phase, are assigned to magnon scattering and are discussed briefly.
Keywords Molecular vibrationRaman spectra (Raman scattering in a LiNiPO4 single crystal)Magnon (scattering of Raman scattering in a LiNiPO4 single crystal)Raman scattering lithium nickel phosphate crystal
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FOMIN, V. I. et al. Raman scattering in a LiNiPO4 single crystal. In: Low Temperature Physics, 2002, vol. 28, n° 3, p. 203-209. https://archive-ouverte.unige.ch/unige:31079

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Deposited on : 2013-11-15

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