Raman scattering in LiNiPO4 single crystal

Автор(и)

  • V. I. Fomin B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103, Kharkov, Ukraine
  • V. P. Gnezdilov B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103, Kharkov, Ukraine
  • V. S. Kurnosov B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103, Kharkov, Ukraine
  • A. V. Peschanskii B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103, Kharkov, Ukraine
  • A. V. Yeremenko B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine, 47 Lenin Ave., 61103, Kharkov, Ukraine
  • H. Schmid Department of Inorganic, Analytical and Applied Chemistry, University of Geneva CH-1211 Geneva 4, Switzerland
  • J.-P. Rivera Department of Inorganic, Analytical and Applied Chemistry, University of Geneva CH-1211 Geneva 4, Switzerland
  • S. Gentil Department of Inorganic, Analytical and Applied Chemistry, University of Geneva CH-1211 Geneva 4, Switzerland

DOI:

https://doi.org/10.1063/1.1468525

Ключові слова:

PACS: 78.30.Hv

Анотація

The complete Raman spectra of a single crystal of LiNiPO4 for a wide temperature range are reported. Among the 36 Raman-active modes predicted by group theory, 33 have been detected. The analysis of the spectra in terms of internal modes of the (PO4)3- group and of external modes is done with success. Besides, the multiphonon Raman scattering is discussed. Low-frequency lines, observed in the antiferromagnetic phase, are assigned to magnon scattering and are discussed briefly.

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Опубліковано

2002-01-23

Як цитувати

(1)
Fomin, V. I.; Gnezdilov, V. P.; Kurnosov, V. S.; Peschanskii, A. V.; Yeremenko, A. V.; Schmid, H.; Rivera, J.-P.; Gentil, S. Raman Scattering in LiNiPO4 Single Crystal. Fiz. Nizk. Temp. 2002, 28, 288-296.

Номер

Том 28 № 3 (2002)

Розділ

Низькотемпературний магнетизм

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