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Charge disproportionation and spin ordering tendencies in Na.sub.x./sub.CoO.sub.2./sub..
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SYSNO ASEP 0101819 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Charge disproportionation and spin ordering tendencies in NaxCoO2. Title Rozdělení náboje a tendence k uspořádání spinů v NaxCoO2. Author(s) Lee, K.-W. (US)
Kuneš, Jan (FZU-D) RID, ORCID, SAI
Pickett, W. E. (US)Source Title Physical Review. B - ISSN 0163-1829
Roč. 70, č. 4 (2004), 045104/1-045104/9Number of pages 9 s. Language eng - English Country US - United States Keywords charge disproportionation Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z1010914 - FZU-D Annotation Regimes of NaxCoO2 are evaluated using the correlated band theory LDA+U (local density approximation of Hubbard U) method. Phase diagram is charactrized by a crossover from effective single-band for x>0.5 into a three-band regime for x<0.5 Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2005
Number of the records: 1