Comparative study of ordered and disordered Y1-xSrxCoO3-d

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dc.creatorFukushima, S.
dc.creatorSato, T.
dc.creatorAkahoshi, D.
dc.creatorKuwahara, H.
dc.date2008-01-29
dc.date.accessioned2026-07-07T08:57:04Z
dc.date.available2026-07-07T08:57:04Z
dc.descriptionWe have succeeded in preparing A-site ordered- and disordered-Y1/4Sr3/4CoO3-d with various oxygen deficiencies delta, and have made comparative study of their structural and physical properties. In the A-site ordered structure, oxygen vacancies order, and d = 0.34 sample shows a weak ferromagnetic transition beyond 300 K. On the other hand, in the A-site disordered structure, no oxygen vacancy ordering is observed, and d = 0.16 sample shows a ferromagnetic metallic transition around 150 K. A-site disordering destroys the orderings of oxygen-vacancies and orbitals, leading to the strong modification of the electronic phases.
dc.description3 pages, 3 figures, proceeding of 52nd Mangetism and Magnetic Materials Conference (MMM 2007), published in Journal of Applied Physics
dc.identifierhttps://arxiv.org/abs/0801.4445
dc.identifierhttp://arxiv.org/abs/0801.4445
dc.identifierJ. Appl. Phys. 103, 07F705 (2008)
dc.identifierdoi:10.1063/1.2830615
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/146834
dc.subjectStrongly Correlated Electrons
dc.titleComparative study of ordered and disordered Y1-xSrxCoO3-d
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