Magnetic properties in polycrystalline and single crystal Ca-doped LaCoO3

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dc.contributor.authorZeng, Ren_AU
dc.contributor.authorDebnath, JCen_AU
dc.contributor.authorChen, DPen_AU
dc.contributor.authorShamba, Pen_AU
dc.contributor.authorWang, JLen_AU
dc.contributor.authorKennedy, SJen_AU
dc.contributor.authorCampbell, SJen_AU
dc.contributor.authorSilver, Ten_AU
dc.contributor.authorDou, SXen_AU
dc.date.accessioned2011-12-01T04:19:07Zen_AU
dc.date.available2011-12-01T04:19:07Zen_AU
dc.date.issued2011-04-01en_AU
dc.date.statistics2011-12-01en_AU
dc.descriptionProceedings of the 55th Annual Conference on Magnetism and Magnetic Materials 14-18 November 2010, Atlanta, Georgiaen_AU
dc.description.abstractPolycrystalline (PC) and single crystalline (SC) Ca-doped LaCoO3 (LCCO) samples with the perovskite structure were synthesized by conventional solid-state reaction and the floating-zone growth method. We present the results of a comprehensive investigation of the magnetic properties of the LCCO system. Systematic measurements have been conducted on dc magnetization, ac susceptibility, exchange-bias, and the magnetocaloric effect. These findings suggest that complex structural phases, ferromagnetic (FM), and spin-glass/cluster-spin-glass (CSG), and their transitions exist in PC samples, while there is a much simpler magnetic phase in SC samples. It was also of interest to discover that the CSG induced a magnetic field memory effect and an exchange-bias-like effect, and that a large inverse irreversible magnetocaloric effect exists in this system.(C) 2011 American Institute of Physics. [doi:10.1063/1.3562518]en_AU
dc.identifier.articlenumber07E146en_AU
dc.identifier.citationZeng, R., Debnath, J.C., Chen, D.P., Shamba, P., Wang, J.L., Kennedy, S.J., Campbell, S.J., Silver, T., Dou, S.X. (2011). Magnetic properties in polycrystalline and single crystal Ca-doped LaCoO3. Paper presented at the 55th Annual Conference on Magnetism and Magnetic Materials 14-18 November 2010, Atlanta, Georgia. In Journal of Applied Physics, 109(7), 07E146. doi:10.1063/1.3562518en_AU
dc.identifier.conferenceenddate18 November 2010en_AU
dc.identifier.conferencename55th Annual Conference on Magnetism and Magnetic Materialsen_AU
dc.identifier.conferenceplaceAtlanta, Georgia.en_AU
dc.identifier.conferencestartdate14 November 2010en_AU
dc.identifier.govdoc3818en_AU
dc.identifier.issn0021-8979en_AU
dc.identifier.issue7en_AU
dc.identifier.journaltitleJournal of Applied Physicsen_AU
dc.identifier.urihttp://dx.doi.org/10.1063/1.3562518en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3898en_AU
dc.identifier.volume109en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectMagnetic propertiesen_AU
dc.subjectCrystalsen_AU
dc.subjectSpin glass stateen_AU
dc.subjectMagnetizationen_AU
dc.subjectCrystal structureen_AU
dc.subjectPhase studiesen_AU
dc.titleMagnetic properties in polycrystalline and single crystal Ca-doped LaCoO3en_AU
dc.typeConference Paperen_AU
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