期刊論文

學年 95
學期 1
出版(發表)日期 2007-01-23
作品名稱 Effect of Oxygen Concentration on Superconducting Properties of Rubidium Tungsten Bronzes RbxWOy
作品名稱(其他語言)
著者 Ling, Dah-chin
單位 淡江大學物理學系
出版者 New York: Springer New York LLC
著錄名稱、卷期、頁數 Journal of Superconductivity and Novel Magnetism 20(3), p.249-253
摘要 Superconducting transition temperature (T c) as a function of oxygen concentration for hexagonal rubidium tungsten bronzes Rb x WO y with 2.80 ≤ y ≤ 3.07 and x = 0.19, 0.23, and 0.27 has been systematically investigated. Three regions corresponding to T c < 2 K (denoted as superconductivity suppressed region), T c∼ 3 K (superconductivity uniform region) and T c > 3 K (superconductivity enhanced region) were identified in T c–y phase diagram for Rb0.19WO y and Rb0.23WO y . No superconductivity enhanced region was observed for Rb0.27WO y . The superconductivity suppressed region shifts toward higher oxygen content as rubidium concentration increases. The local ordering of the intercalated rubidium atoms might be responsible for the intriguing T c–y phase diagram of RbxWOy.
關鍵字 rubidium tungsten bronzes;oxygen concentration;superconductivity
語言 en
ISSN 1557-1947
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度
國別 USA
公開徵稿
出版型式 ,電子版,紙本
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