O'Dell, Luke A., Savin, Shelly L. P., Chadwick, Alan V., Smith, Mark E. (2007) A Al-27 MAS NMR study of a sol-gel produced alumina: Identification of the NMR parameters of the theta-Al2O3 transition alumina phase. Solid State Nuclear Magnetic Resonance, 31 (4). pp. 169-173. ISSN 0926-2040. (doi:10.1016/j.ssnmr.2007.05.002) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:2039)
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| Official URL: http://dx.doi.org/10.1016/j.ssnmr.2007.05.002 |
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Abstract
Al-27 MAS NMR has been used to study a sol-gel prepared alumina annealed at various temperatures. Two-field simulation of the sample heated to 1200 degrees C confirmed the presence of corundum, as suggested by XRD, and also the presence of nanocrystalline theta-Al2O3. Al-27 MAS NMR chemical shifts, quadrupolar coupling constants and asymmetry parameters are reported for the tetrahedral and octahedral aluminium sites within theta-Al2O3.
| Item Type: | Article |
|---|---|
| DOI/Identification number: | 10.1016/j.ssnmr.2007.05.002 |
| Uncontrolled keywords: | Al-27 MAS NMR; theta-alumina; NMR interaction parameters |
| Subjects: | Q Science > QC Physics |
| Divisions: | Divisions > Division of Natural Sciences > Physics and Astronomy |
| Funders: | Engineering and Physical Sciences Research Council (https://ror.org/0439y7842) |
| Depositing User: | Stephen Holland |
| Date Deposited: | 19 Dec 2007 19:25 UTC |
| Last Modified: | 05 Nov 2024 09:32 UTC |
| Resource URI: | https://kar.kent.ac.uk/id/eprint/2039 (The current URI for this page, for reference purposes) |
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