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An electron diffraction and lattice dynamical study of thermal diffuse scattering in KCl
| Content Provider | Scilit |
|---|---|
| Author | Hua, G. L. Welberry, Thomas Richard Withers, R. L. |
| Copyright Year | 1989 |
| Description | Journal: Journal of Physics: Condensed Matter Strong diffuse scattering characterised by blobs ('spots') of diffuse intensity well separated from neighbouring Bragg peaks and by diffuse streaks perpendicular to the (100)* directions have been observed in zone axis electron diffraction patterns of KCl. An ab initio lattice dynamical investigation based on the shell model has been performed and the intensity of thermal diffuse scattering calculated from the dispersion relations obtained. The calculated results indicate that the rather strong and characteristic diffuse intensity distribution of KCl can, at least qualitatively, be well understood in terms of the thermal excitation of low-energy phonon modes. |
| Related Links | http://iopscience.iop.org/article/10.1088/0953-8984/1/13/002/pdf |
| Ending Page | 2311 |
| Page Count | 7 |
| Starting Page | 2305 |
| ISSN | 09538984 |
| e-ISSN | 1361648X |
| DOI | 10.1088/0953-8984/1/13/002 |
| Journal | Journal of Physics: Condensed Matter |
| Issue Number | 13 |
| Volume Number | 1 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 1989-04-03 |
| Access Restriction | Open |
| Subject Keyword | Journal: Journal of Physics: Condensed Matter Microscopic Research Condensed Matter Physics Thermal Diffusivity Dispersion Relation Electron Diffraction |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics Materials Science |
