The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Lattice Dynamics of Alkali Halide Crystals. II. Experimental Studies of KBr and NaI
Abstract
Dispersion curves for the lattice vibrations propagating in the [$00\ensuremath{\zeta}$], [$\ensuremath{\zeta}\ensuremath{\zeta}0$], and [$\ensuremath{\zeta}\ensuremath{\zeta}\ensuremath{\zeta}$] directions in NaI at 100\ifmmode^\circ\else\textdegree\fi{}K and in KBr at 90\ifmmode^\circ\else\textdegree\fi{}K have been measured using neutron spectrometry, and the results compared with calculations based on a simple shell model. Both substances obey the Lyddane-Sachs-Teller relation. In addition, some measurements were made on KBr at 400\ifmmode^\circ\else\textdegree\fi{}K; most frequencies showed a decrease of a few percent. At this temperature, the acoustical modes show no significant energy broadening, the transverse optical modes show slight broadening, and the longitudinal optical modes show very considerable broadening. The anomalous broadening of the LO modes is not yet understood and requires further study. It appears to be specimen-dependent as well as temperature-dependent.
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Citations
Cites
On the Polar Vibrations of Alkali Halides
Lyddane, R. H., Sachs, R. G., & Teller, E. (1941) · Physical Review · doi:10.1103/physrev.59.673 · Cited by 1,051
Lattice Dynamics of Alkali Halide Crystals
Woods, A. D. B., Cochran, W., & Brockhouse, B. N. (1960) · Physical Review · doi:10.1103/physrev.119.980 · Cited by 559
Self-citationCrystal Dynamics of Lead. I. Dispersion Curves at 100°K
Brockhouse, B. N., Arase, T., Caglioti, G., Rao, K. R., & Woods, A. D. B. (1962) · Physical Review · doi:10.1103/physrev.128.1099 · Cited by 307
Self-citation
Cited by
Loudon, R. (1964) · Advances in Physics · doi:10.1080/00018736400101051 · Cited by 2,388
Interionic potentials in alkali halides and their use in simulations of the molten salts
Sangster, M. J. L., & Dixon, M. (1976) · Advances in Physics · doi:10.1080/00018737600101392 · Cited by 630
Cowley, R. A. (1968) · Reports on Progress in Physics · doi:10.1088/0034-4885/31/1/303 · Cited by 380
Self-citationPoint defect and electronic properties of uranium dioxide
Catlow, C. R. A. (1977) · Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences · doi:10.1098/rspa.1977.0049 · Cited by 323
A new model for lattice dynamics (“breathing shell model”)
Schröder, U. (1966) · Solid State Communications · doi:10.1016/0038-1098(66)90185-2 · Cited by 304
Metadata
- Authors
- Woods, A. D. B., Brockhouse, B. N., Cowley, R. A., & Cochran, W.
- Venue
- Physical Review
- Publisher
- American Physical Society (APS)
- Published
- 1963-08-01
- Volume
- 131
- Issue
- 3
- Pages
- 1025-1029
- ISSN
- 0031-899X (ISSN-L)
- OpenAlex
- W1982971262
- Cited by
- 275
- References
- 3
- FWCI
- 30.02
- Type
- journal article
- Language
- en
- Open access
- closed
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