0133757 - FZU-D 20020138 RIV GB eng J - Journal Article
Gregora, Ivan - Hlinka, Jiří
Directional dispersion of polar optical phonon frequencies in low-symmetry crystals: Raman studies in Sn₂P₂S₆.
Ferroelectrics. Roč. 267, - (2002), s. 237-243. ISSN 0015-0193. E-ISSN 1563-5112.
[European Meeting on Ferroelectricity /10./. Madrid, 03.09.2001-07.09.2001]
Institutional research plan: CEZ:AV0Z1010914
Keywords : phonons * Raman scattering * polar crystals
Subject RIV: BM - Solid Matter Physics ; Magnetism
Impact factor: 0.408, year: 2002

The phenomenon of directional dispersion of long-wavelength polar lattice modes is briefly reviewed and its principal features and consequences are discussed. They are illustrated on a example of monoclinic Sn₂P₂S₆ crystal.
Permanent Link: http://hdl.handle.net/11104/0031716