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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/25146

    Title: Preparation, structure and peritectic transition of La1.5-x/2SrxBa1.5-x/2Cu3Oy superconductors
    Other Titles: La1.5-x/2SrxBal.5-x/2Cu3Oy超導體的製備、結構和包晶轉變
    Authors: Yuan, C. C.;高惠春;Kao, H. C. I.;王啟銘;Wang, C. M.
    Contributors: 淡江大學化學學系
    Date: 1996-11-01
    Issue Date: 2009-12-01
    Publisher: Elsevier
    Abstract: A series of single phase La1.5 − SrxBa1.5 − Cu3Oy(0 ≤ x ≤ 0.80) compounds with a tetragonal triple-perovskite unit-cell have been prepared by solid-state reaction. With increasing x, unit-cell a axis, volume, density, and peritectic transition temperature (Tp) of La1.5 − SrxBa1.5 − Cu3Oydecrease monotonically. The peak position of Tp measured in the 25 mL/min flowing O2 atmosphere and 10 °C/min heating rate decreases from 1105 to 1080 °C as x increases from 0 to 0.80. The oxygen atom loss in the peritectic transition is 0.38 ± 0.05 O-atom-mole−1.
    Relation: Materials Research Bulletin 31(11), pp.1391-1397
    DOI: 10.1016/0025-5408(96)00130-4
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article
    [Graduate Institute & Department of Chemistry] Journal Article

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