教師資料查詢 | 類別: 期刊論文 | 教師: 王啟銘 WANG, CHI-MING (瀏覽個人網頁)

標題:The peritectic transition of Bi-2223 superconductor with TG and DTA
學年84
學期2
出版(發表)日期1996/03/01
作品名稱The peritectic transition of Bi-2223 superconductor with TG and DTA
作品名稱(其他語言)以TG和DTA研究Bi-2223超導體的包晶轉變
著者Yin, S. C.; Wei, T. P.; Wang, C. M.; Kao, H. C. I.
單位淡江大學化學學系
出版者New York: Springer New York LLC
著錄名稱、卷期、頁數Czechoslovak Journal of Physics 46, supp.3, pp.1499-1500
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.
關鍵字
語言英文
ISSN0011-4626
期刊性質國外
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產學合作
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國別美國
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