Greaves, G.N., Chadwick, Alan V., Jermy, M.C., Smith, Mark E., Zhu, Rong (1998) Changing Debye-Waller factors in mixed alkali KxCs(1-x)Si2O5 glasses. Journal of Non-Crystalline Solids, 235 . pp. 766-771. ISSN 0022-3093. (doi:10.1016/S0022-3093(98)00627-9) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:17782)
| The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided. | |
| Official URL: http://dx.doi.org/10.1016/S0022-3093(98)00627-9 |
Abstract
Alkali X-ray absorption fine structure (XAFS) spectra from KxCs(1-x)Si2O5 glasses measured at room temperature reveal changes in the Debye-Waller factors of nearest neighbour oxygen shells as the mixed alkali composition is altered. The thermal contributions have been estimated using the correlated Einstein model from the different frequencies of the alkali vibrations in the far infrared. By comparing these with the changing Debye-Waller factors measured from XAFS, the contribution due to modifications in structural disorder around each of the alkalis is assessed.
| Item Type: | Article |
|---|---|
| DOI/Identification number: | 10.1016/S0022-3093(98)00627-9 |
| Additional information: | 3rd International Discussion Meeting on Relaxations in Complex Systems VIGO, SPAIN, JUN 30-JUL 11, 1997 J Non Crystalline Solids |
| Subjects: | Q Science > QC Physics |
| Divisions: | Divisions > Division of Natural Sciences > Physics and Astronomy |
| Depositing User: | R.F. Xu |
| Date Deposited: | 08 Jul 2009 12:56 UTC |
| Last Modified: | 05 Nov 2024 09:53 UTC |
| Resource URI: | https://kar.kent.ac.uk/id/eprint/17782 (The current URI for this page, for reference purposes) |
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