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    题名: The effect of Ca doping on the superconductivity of NdBa2Cu3Oy oxides
    作者: Chin, C. H.;高惠春;Kao, H. C. I.;王啟銘;Wang, C. M.
    贡献者: 淡江大學化學學系
    关键词: Superconductivity;X-ray diffraction;Oxides
    日期: 2005-01-15
    上传时间: 2009-12-01
    出版者: Elsevier
    摘要: Two series of single phase triple-perovskite superconducting samples with nominal compositions of (Nd1−xCax)Ba2Cu3Oy and Nd(Ba2−xCax)Cu3Oy are prepared by the solid-state reaction method. It is found that both the Tc and the orthorhombicity of the unit cell for all the samples decrease with increasing Ca content. Tc is also correlated to the distance of Cu(2)–Cu(2) along the c-axis, which decreases linearly with increasing Ca doping.
    關聯: Materials Chemistry and Physics 89(1), pp.143-147
    DOI: 10.1016/j.matchemphys.2004.08.036
    显示于类别:[化學學系暨研究所] 期刊論文

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