Journal
CHEMICAL PHYSICS LETTERS
Volume 491, Issue 4-6, Pages 169-171Publisher
ELSEVIER
DOI: 10.1016/j.cplett.2010.04.001
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Funding
- Russian Foundation for Basic Research [10-03-00203-a]
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We report on a Raman scattering study of the LiCoO2, gamma-Na0.7CoO2 and Li0.42Na0.36CoO2 phases. The Raman spectrum of the ordered cobaltite Li0.42Na0.36CoO2 consists of a set of seven distinct peaks with the wave numbers around 190, 445, 467, 513, 572, 609 and 674 cm (1). It exhibits features of the spectra for LiCoO2 and gamma-Na0.7CoO2 and therefore can be considered as a superposition of these two spectra. It may be supposed that in the structure of the double cobaltite the bonding between sodium-and lithium-containing blocks is rather weak. (C) 2010 Elsevier B. V. All rights reserved.
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