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dc.contributor.authorCHEN, TMen_US
dc.contributor.authorHO, JSen_US
dc.contributor.authorLIU, RSen_US
dc.contributor.authorKOO, HSen_US
dc.date.accessioned2014-12-08T15:04:20Z-
dc.date.available2014-12-08T15:04:20Z-
dc.date.issued1993-10-01en_US
dc.identifier.issn0921-4534en_US
dc.identifier.urihttp://hdl.handle.net/11536/2844-
dc.description.abstractA 90 K superconducting Y2Ba4Cu7O15-x (247) powder with fine and homogeneous grain size was prepared by oxalate/triethylamine co-precipitation of a stoichiometric amount of mixed cations of yttrium, barium and copper from their aqueous solution of nitrate salts. Characterization results of the 247 superconductor by X-ray diffraction, electrical resistivity and magnetization measurements are reported. The intragrain critical current density (J(c)) of the as-prepared 247 superconductor was derived from magnetic hysteresis to be 8.5 X 10(6) A/cm2 at 5 K and 1 T. This new route may have considerable potential in the large-scale preparation of Y2Ba4Cu7O15-x.en_US
dc.language.isoen_USen_US
dc.titleSYNTHESIS OF A 90 K Y2BA4CU7O15-X SUPERCONDUCTOR UNDER AMBIENT-PRESSURE BY TRIETHYLAMMONIUMOXALATE COPRECIPITATIONen_US
dc.typeArticleen_US
dc.identifier.journalPHYSICA Cen_US
dc.citation.volume215en_US
dc.citation.issue3-4en_US
dc.citation.spage435en_US
dc.citation.epage438en_US
dc.contributor.department應用化學系zh_TW
dc.contributor.departmentDepartment of Applied Chemistryen_US
dc.identifier.wosnumberWOS:A1993MA67200026-
dc.citation.woscount3-
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