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http://hdl.handle.net/11375/19813
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DC Field | Value | Language |
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dc.contributor.advisor | Timusk, T. | - |
dc.contributor.author | Neimanis, John | - |
dc.date.accessioned | 2016-07-14T16:24:52Z | - |
dc.date.available | 2016-07-14T16:24:52Z | - |
dc.date.issued | 1971-05 | - |
dc.identifier.uri | http://hdl.handle.net/11375/19813 | - |
dc.description.abstract | <p> The optical absorption in manganese fluoride has been studied in the range of 30 to 300 cm^-1 with emphasis placed on the possible multiple magnon absorptions (other than two-magnon) and an induced single magnon absorption. It is shown that theoretically one can expect four-magnon processes by expanding the Heisenberg spin hamiltonian to higher orders in the creation and annihilation operators introduced by the Holstein-Primakoff transformation. However, neither an induced one magnon nor four magnon process was observed. The absorptions which were seen in the spectra were attributed to phonon processes.</p> | en_US |
dc.language.iso | en_US | en_US |
dc.subject | far infrared, optical, absorption, Manganese Fluoride, phonon | en_US |
dc.title | Far Infrared Optical Absorption in Manganese Fluoride | en_US |
dc.type | Thesis | en_US |
dc.contributor.department | Physics | en_US |
dc.description.degreetype | Thesis | en_US |
dc.description.degree | Master of Science (MSc) | en_US |
Appears in Collections: | Open Access Dissertations and Theses |
Files in This Item:
File | Description | Size | Format | |
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Neimanis_John_1971May_Masters..pdf | 1.41 MB | Adobe PDF | View/Open |
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