The enhancement of superconducting transition temperature in yttrium sesquicarbide system, Y2C3, with the maximum Tc of Tc=18K

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dc.creatorAmano, G.
dc.creatorAkutagawa, S.
dc.creatorMuranaka, T.
dc.creatorZenitani, Y.
dc.creatorAkimitsu, J.
dc.date2003-11-22
dc.date.accessioned2026-07-07T02:54:54Z
dc.date.available2026-07-07T02:54:54Z
dc.descriptionWe discovered the enhancement of superconducting transition temperature, Tc, in yttrium sesquicarbide system with the maximum Tc of Tc=18K and their superconducting properties were discussed. The crystal structure of Y2C3 is the body-centered cubic (Pu2C3-type) structure, and the lattice parameters are varied with the heat treatment conditions. The magnetization (M-H) curves of this compound showed a typical type-II superconducting behavior, and the lower critical field, Hc1(0), is 3.5mT. The Tc-value in this system was changed in the range from 15K to 18K, depending on the sintering conditions. In a previous report by Krupka et al., maximum Tc in Y2C3 was observed at 11.5K by the magnetic measurements. So we successfully synthesized the new high-Tc phase in Y2C3.
dc.description5 pages, 6 figures. Submitted to J. Phys. Soc. Jpn
dc.identifierhttps://arxiv.org/abs/cond-mat/0311517
dc.identifierhttp://arxiv.org/abs/cond-mat/0311517
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/22747
dc.subjectSuperconductivity
dc.titleThe enhancement of superconducting transition temperature in yttrium sesquicarbide system, Y2C3, with the maximum Tc of Tc=18K
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