Nickel-based layered superconductor, LaNiOAs

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dc.creatorWatanabe, Takumi
dc.creatorYanagi, Hiroshi
dc.creatorKamihara, Yoichi
dc.creatorKamiya, Toshio
dc.creatorHirano, Masahiro
dc.creatorHosono, Hideo
dc.date2008-05-28
dc.date.accessioned2026-07-07T09:41:21Z
dc.date.available2026-07-07T09:41:21Z
dc.descriptionRietveld analysis of the powder X-ray diffraction of a new layered oxyarsenide, LaNiOAs, which was synthesized by solid-state reactions, revealed that LaNiOAs belongs to the tetragonal ZrCuSiAs-type structure (P4/nmm) and is composed of alternating stacks of La-O and Ni-As layers. The electrical and magnetic measurements demonstrated that LaNiOAs exhibits a superconducting transition at 2.4 K, and above this, LaNiOAs shows metallic conduction and Pauli paramagnetism. The diamagnetic susceptibility measured at 1.8 K corresponded to ~20% of perfect diamagnetic susceptibility, substantiating that LaNiOAs is a bulk superconductor.
dc.description11 pages, 4 figures, Journal of Solid State Chemistry, in press. Received 18 March 2008. Accepted 29 April 2008. Available online 8 May 2008
dc.identifierhttps://arxiv.org/abs/0805.4340
dc.identifierhttp://arxiv.org/abs/0805.4340
dc.identifierdoi:10.1016/j.jssc.2008.04.033
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/161796
dc.subjectSuperconductivity
dc.titleNickel-based layered superconductor, LaNiOAs
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