Broad Neutron Groups in Inelastic Neutron Scattering and Anomalous Anisotropy of the Energy of the Dispersion Branches
✍ Scribed by R. Comès
- Book ID
- 104543988
- Publisher
- John Wiley and Sons
- Year
- 1973
- Tongue
- English
- Weight
- 400 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0370-1972
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✦ Synopsis
Abstract
It is suggested that the broad neutron groups observed in inelastic neutron scattering and in relation with structural phase transitions can be explained by the finite triple axis spectrometer resolution combined with an important energy anisotropy of the lower dispersion branches. The damped or overdamped mode concept should consequently only be used with great care in such circumstances.
📜 SIMILAR VOLUMES
The INS spectra from 30 to 4000 cm-r of four coal samples at 20 K with various ranks (subbituminous A, low volatile bituminous, semi-anthracite, and anthracite) are reported. For each sample, rather broad bands superimposed on a continuum with constant intensity over the whole frequency range are ob