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    題名: The peritectic transition of Bi-2223 superconductor with TG and DTA
    其他題名: 以TG和DTA研究Bi-2223超導體的包晶轉變
    作者: Yin, S. C.;Wei, T. P.;Wang, C. M.;Kao, H. C. I.
    貢獻者: 淡江大學化學學系
    日期: 1996-03
    上傳時間: 2009-12-01
    出版者: New York: Springer New York LLC
    摘要: Peritectic transition of a Bi-2223 superconductor was studied with TG and DTA under different heating rate (R, °C/min) and oxygen partial pressures. Linear relationships were observed between Tp (peritectic transition temperature) vs. R, and weight loss (equivalent to the O-atom loss per mole) vs. R under 25 mL/min in flowing 1% O2 partial pressure. Extrapolated to infinite rate, 0°C/min, Tp was 821 °C found from the peak temperature of the DTA curves, and 1.49 O-atom loss. Increasing oxygen partial pressure, Tp was increased but the weight loss was decreased. About 60°C difference in Tp was found between 1 and 100% of partial oxygen pressure under 10°C/min heating rate. Only 0.26 O-atom loss was observed under 100% oxygen partial pressure. Stability of Bi-2223 superconductor around its peritectic point was greatly enhanced by increasing the oxygen partial pressure.
    關聯: Czechoslovak Journal of Physics 46, supp.3, pp.1499-1500
    DOI: 10.1007/BF02562864
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文
    [化學學系暨研究所] 期刊論文

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