A neutron diffraction and Rietveld analysis of cooperative Li motion in beta-eucryptite
Li+ mobility and structural changes in the aluminosilicate beta-eucryptite have been studied by high-resolution powder neutron diffraction as a function of temperature from 573 to 873 K. A Li split-atom model was used to describe the disorder of Li+ ions in the structure. Analysis of the data shows...
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| Format: | Journal article |
| Language: | English |
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2004
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| _version_ | 1797069452409307136 |
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| author | Sartbaeva, A Redfern, S Lee, W |
| author_facet | Sartbaeva, A Redfern, S Lee, W |
| author_sort | Sartbaeva, A |
| collection | OXFORD |
| description | Li+ mobility and structural changes in the aluminosilicate beta-eucryptite have been studied by high-resolution powder neutron diffraction as a function of temperature from 573 to 873 K. A Li split-atom model was used to describe the disorder of Li+ ions in the structure. Analysis of the data shows two anomalies around 698 and 758 K. The first anomaly is attributed to an M-point zone boundary transition reported in the literature, which is connected to the appearance of the incommensurate structure. The second anomaly is attributed to a displacive phase transition of the framework and doubling in the a cell parameter. |
| first_indexed | 2024-03-06T22:24:40Z |
| format | Journal article |
| id | oxford-uuid:5642f22d-8543-42cd-a091-dad4f27fcaff |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T22:24:40Z |
| publishDate | 2004 |
| record_format | dspace |
| spelling | oxford-uuid:5642f22d-8543-42cd-a091-dad4f27fcaff2022-03-26T16:49:09ZA neutron diffraction and Rietveld analysis of cooperative Li motion in beta-eucryptiteJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:5642f22d-8543-42cd-a091-dad4f27fcaffEnglishSymplectic Elements at Oxford2004Sartbaeva, ARedfern, SLee, WLi+ mobility and structural changes in the aluminosilicate beta-eucryptite have been studied by high-resolution powder neutron diffraction as a function of temperature from 573 to 873 K. A Li split-atom model was used to describe the disorder of Li+ ions in the structure. Analysis of the data shows two anomalies around 698 and 758 K. The first anomaly is attributed to an M-point zone boundary transition reported in the literature, which is connected to the appearance of the incommensurate structure. The second anomaly is attributed to a displacive phase transition of the framework and doubling in the a cell parameter. |
| spellingShingle | Sartbaeva, A Redfern, S Lee, W A neutron diffraction and Rietveld analysis of cooperative Li motion in beta-eucryptite |
| title | A neutron diffraction and Rietveld analysis of cooperative Li motion in beta-eucryptite |
| title_full | A neutron diffraction and Rietveld analysis of cooperative Li motion in beta-eucryptite |
| title_fullStr | A neutron diffraction and Rietveld analysis of cooperative Li motion in beta-eucryptite |
| title_full_unstemmed | A neutron diffraction and Rietveld analysis of cooperative Li motion in beta-eucryptite |
| title_short | A neutron diffraction and Rietveld analysis of cooperative Li motion in beta-eucryptite |
| title_sort | neutron diffraction and rietveld analysis of cooperative li motion in beta eucryptite |
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