Contribution of one- and two-phonon scattering to temperature diffuse scattering
โ Scribed by Paskin, A.
- Book ID
- 114517384
- Publisher
- International Union of Crystallography
- Year
- 1958
- Tongue
- English
- Weight
- 459 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0365-110X
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๐ SIMILAR VOLUMES
The Green's function formalism is applied to the analysis of the surface contribution to the inelastic scattering of X-rays by acoustic modes of thermal excitations in a crystal. Crystals with a cubic unit cell are analysed. It is shown that the surface contribution to thermal diffuse scattering (TD
The two-phonon Raman spectrum of solid argon at 19 K has been calculated using the point-dipole model, with phonon frequencies derived from a model fitted to neutron scattering experiments. The positions of peaks in the calculated spectra correlate well with peaks in the measured results. In order t
The two-phonon Raman spectra of solid argon at 60 K, 22.1 cm 3/mole and at I53.5K, 22.3 cm3/mole are calculated, with phonon frequencies obtained from a calculation in which cubic anharmonicity is included self-consistently and short-range correlations are incorporated. The results are compared with