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http://hdl.handle.net/11375/17528
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DC Field | Value | Language |
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dc.contributor.advisor | Brockhouse, B. N. | - |
dc.contributor.author | Copley , John Richard Dawn | - |
dc.date.accessioned | 2015-06-11T20:48:08Z | - |
dc.date.available | 2015-06-11T20:48:08Z | - |
dc.date.issued | 1970-10 | - |
dc.identifier.uri | http://hdl.handle.net/11375/17528 | - |
dc.description.abstract | No abstract provided. | en_US |
dc.language.iso | en | en_US |
dc.subject | atomic vibrations | en_US |
dc.subject | rubidium | en_US |
dc.subject | phonon frequency distribution | en_US |
dc.subject | anharmonic vibrations | en_US |
dc.subject | lattice spacing | en_US |
dc.subject | neutron diffraction | en_US |
dc.title | Harmonic and Anharmonic Vibrations in Rubidium Metal | en_US |
dc.type | Thesis | en_US |
dc.contributor.department | Physics | en_US |
dc.description.degreetype | Thesis | en_US |
dc.description.degree | Doctor of Philosophy (PhD) | en_US |
dc.description.layabstract | Scope and contents: The atomic vibrations in rubidium have been studied by the method of slow neutron spectrometry. The results have been analysed to yield atomic force constants which are used to compute the phonon frequency distribution. An interesting effect in the [00ζ]L branch has been examined, and an explanation of the observations is offered. Anharmonic calculations of frequency shifts and widths are presented, as well as a calculation of the anharmonic heat capacity. The third and fourth derivatives of the real space interatomic potential, which are required for these computations, are estimated in various ways. A determination of the lattice spacing of rubidium by neutron diffraction is described. | en_US |
Appears in Collections: | Open Access Dissertations and Theses |
Files in This Item:
File | Description | Size | Format | |
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Copley_John_Richard_Dawn_1970October_PhD.pdf | Thesis | 16.32 MB | Adobe PDF | View/Open |
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