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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/25142

    Title: Preparation of submicrometre La3CaBa3Cu7Oy superconducting power with a polymeric precursor method using different polyprotic acids
    Authors: You, S. Y.;Shy, J. T.;王啟銘;Wang, C. M.;高惠春;Kao, H. C. I.
    Contributors: 淡江大學化學學系
    Date: 1998-08
    Issue Date: 2009-12-01
    Publisher: Bristol: Institute of Physics Publishing Ltd.
    Abstract: Submicrometre La3CaBa3Cu7Oy (La-3137) superconducting powder is prepared by a polymeric polyprotic acid (PA)/ethylene glycol (EG) derived precursor method. Six different PAs, oxalic acid, succinic acid, adipic acid, malic aid, tartaric acid and citric acid, are selected. It is found that of the six PAs citric acid gives the best results in terms of the particle size, homogeneity, carbon residue and Tc values of the resulting La-3137 superconducting powder.
    Relation: Superconductor Science and Technology 11(8), pp.800-802
    DOI: 10.1088/0953-2048/11/8/015
    Appears in Collections:[化學學系暨研究所] 期刊論文

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