Effect of Oxygen Concentration on Superconducting Properties of Rubidium Tungsten Bronzes RbxWOy
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 Chien, Fan-z
單位 淡江大學物理學系
出版者 Kluwer Academic Publishers-Plenum Publishers
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 Rb0.23WOy. No superconductivity enhanced region was observed for Rb0.27WOy. 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 1557-1939
期刊性質 國外
收錄於 SCI
產學合作 國內
通訊作者
審稿制度 否
國別 USA
公開徵稿
出版型式 ,電子版,紙本
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