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

• Published in: Condensed Matter Physics
• Date: 1999
• Main Authors: Stasyuk, I.V., Ivankiv, Ya.L.
• Format: Article
• Language: English
• Published: Інститут фізики конденсованих систем НАН України 1999
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/119929
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: 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...