Configurational splitting in Raman scattering spectra of crystals with the order-disorder type phase transitions

• Veröffentlicht in: Condensed Matter Physics
• Datum: 1999
• ISSN: 1607-324X
• Hauptverfasser: Stasyuk, I.V., Ivankiv, Ya.L.
• Format: Artikel
• Sprache: Englisch
• Veröffentlicht: Інститут фізики конденсованих систем НАН України 1999
• Online Zugang: https://nasplib.isofts.kiev.ua/handle/123456789/119929
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Zitieren: Configurational splitting in Raman scattering spectra of crystals with the order-disorder type phase transitions / I.V. Stasyuk, Ya.L. Ivankiv // Condensed Matter Physics. — 1999. — Т. 2, № 1(17). — С. 155-171. — Бібліогр.: 18 назв. — англ.

A system of equations for the averaged phonon Green function determining the shapes of the lines in Raman scattering spectra is obtained in the
 coherent potential approximation. Configurationally split components of the
 Raman scattering are studied within a simple model. For the KH₂...