完整後設資料紀錄
DC 欄位語言
dc.contributor.authorYang, HDen_US
dc.contributor.authorLin, JYen_US
dc.contributor.authorSun, CPen_US
dc.contributor.authorKang, YCen_US
dc.contributor.authorHuang, CLen_US
dc.contributor.authorTakada, Ken_US
dc.contributor.authorSasaki, Ten_US
dc.contributor.authorSakurai, Hen_US
dc.contributor.authorTakayama-Muromachi, Een_US
dc.date.accessioned2019-04-03T06:37:52Z-
dc.date.available2019-04-03T06:37:52Z-
dc.date.issued2005-01-01en_US
dc.identifier.issn1098-0121en_US
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevB.71.020504en_US
dc.identifier.urihttp://hdl.handle.net/11536/24481-
dc.description.abstractComprehensive low-temperature specific-heat data C(T,H) of Na0.35CoO2.1.3 H2O with temperature T down to 0.6 K and the magnetic field H up to 8 T are presented. In the normal state, the values of gamma(n)=13.94 mJ/mol K-2 and Debye temperature Theta(D)=362 K are reported. At zero field, a very sharp superconducting anomaly was observed at T-c=4.5 K with DeltaC/gamma(ns)T(c)=1.45 if the specific-heat jump is normalized to the superconducting volume fraction, which is estimated to be 47.4% based on the consideration of entropy balance at T-c for the second-order superconducting phase transition. In the superconducting state, the electronic contribution C-es at H=0 can be well described by the model of the line nodal order parameter. In low H, deltagamma(H)proportional toH(1/2), which is also a manifestation of the line nodes. The behaviors of both T-c(H) and gamma(H) suggest the anisotropy of H-c2, or possible crossovers or transitions occurring in the mixed state.en_US
dc.language.isoen_USen_US
dc.titleEvidence of nodal superconductivity in Na0.35CoO2 center dot 1.3 H2O: A specific-heat studyen_US
dc.typeArticleen_US
dc.identifier.doi10.1103/PhysRevB.71.020504en_US
dc.identifier.journalPHYSICAL REVIEW Ben_US
dc.citation.volume71en_US
dc.citation.issue2en_US
dc.citation.spage0en_US
dc.citation.epage0en_US
dc.contributor.department物理研究所zh_TW
dc.contributor.departmentInstitute of Physicsen_US
dc.identifier.wosnumberWOS:000226735400014en_US
dc.citation.woscount49en_US
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