淡江大學機構典藏:Item 987654321/25732
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    题名: Effect of Ca substitution at the Tm site in the TmBa2Cu3Oy superconductor
    作者: 高惠春;Kao, H. C. I.
    贡献者: 淡江大學化學學系
    日期: 2006-09
    上传时间: 2009-12-01 09:13:36 (UTC+8)
    出版者: Americam Institute of Physics
    摘要: A series of samples with composition (Tm1−xCax)Ba2 Cu 3Oy were prepared by the conventional solid‐state reaction method with 0 ⩽ x ⩽ 0.150. Unit cell a‐ and c‐axis increase and b‐axis decreases with increase of the amount of Ca substitution. As a result, orthorhombicity decreases as x increases. Both Tc and y decrease with x, whereas hole concentration (p/Cu) increases with increasing Ca content up to 0.34/Cu for x = 0.075 and then decreases dramatically with x. The highest Tc (89 K) is found for x = 0 sample.
    關聯: AIP Conference Proceedings 850, pp.485-486
    显示于类别:[化學學系暨研究所] 會議論文

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