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Structural evolution of one-dimensional spin-ladder compounds Sr.sub.14-x./sub.Ca.sub.x./sub.Cu.sub.24./sub.O.sub.41./sub. with Ca doping and related evidence of hole redistribution
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SYSNO ASEP 0369376 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Structural evolution of one-dimensional spin-ladder compounds Sr14-xCaxCu24O41 with Ca doping and related evidence of hole redistribution Author(s) Deng, G. (CH)
Pomjakushin, V. (CH)
Petříček, Václav (FZU-D) RID, ORCID, SAI
Pomjakushina, E. (CH)
Kenzelmann, M. (CH)
Conder, K. (CH)Source Title Physical Review. B - ISSN 1098-0121
Roč. 84, č. 14 (2011), 144111/1-144111/14Number of pages 14 s. Language eng - English Country US - United States Keywords composite crystal-structures ; true satellite reflections ; Sr14Cu24O41 ; pressure ; superconductivity ; dynamics ; phases ; charge Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z10100521 - FZU-D (2005-2011) UT WOS 000296287600001 DOI 10.1103/PhysRevB.84.144111 Annotation Incommensurate crystal structures of spin-ladder series Sr14-xCaxCu24O41 (x = 3, 7, 11, and 12.2) were characterized by powder neutron scattering method and refined using the superspace group Xmmm(00 gamma)ss0 [equivalent to superspace group Fmmm(0, 0, 1 + gamma)ss0 with a modulated structure model. The Ca doping effects on the lattice parameters, atomic displacement, Cu-O distances, Cu-O bond angles, and Cu bond valence sum were characterized. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2012
Number of the records: 1