High-temperature defect spectroscopy in ionic crystals

Xie, Zizhuo and Smith, Mark E. and Strange, John H. and Jaeger, C. (1995) High-temperature defect spectroscopy in ionic crystals. Journal of Physics: Condensed Matter, 7 (12). pp. 2479-2487. ISSN 0953-8984. (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)

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The first direct NMR spectroscopic evidence of defects in crystalline Li2O powders containing aliovalent impurities is reported. Quadrupole-perturbed Li-7 satellite transitions are seen above 600 K, which clearly arise from interaction of lithium defects. At about 900 K structure in the satellite transitions indicates two distinct quadrupolar interactions. The relative intensity of the satellites decreases with increasing temperature, which is interpreted as thermal dissociation of an impurity-vacancy complex.

Item Type: Article
Subjects: Q Science
Divisions: Faculties > Science Technology and Medical Studies > School of Physical Sciences
Depositing User: I.T. Ekpo
Date Deposited: 15 May 2009 18:24
Last Modified: 02 May 2014 09:06
Resource URI: https://kar.kent.ac.uk/id/eprint/19141 (The current URI for this page, for reference purposes)
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