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Te对高温超导陶瓷YBa₄ Cu₆ O_y超导电性的影响

The Addition of Tellurium in High-Tc Superconductors of YBa₄ Cu₆O_y

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【Author】 Zeng Wenguang;Lam C.C.;Fung P.C.W Department of Physics,Zhongshan University,Guangzhou,China

【机构】中山大学物理学系；香港城市理工学院应用科学系；香港大学物理学系中山大学客座教授；

【摘要】对YBa₄Cu₆Oy陶瓷的研究表明,它具有与YBa₂Cu₃O_7-δ凸相近的超导电性。以CuTeO₃方式加入适量的Te使它的临界电流密度Jc增加近一个量级而Tc仍保持在90k附近。更多还原

【Abstract】 The additions of Te in high-Tc superconductors of YBa₄ Cu₆Oy which werecently found,are investigated experimentally.The results of oar investigationindicate that the addition of Te does not affect the transition point so much,butit apparently increases Jc,when the addition of Te is about x～0.7,where x st-ands for the number of moles in the formular,YTex Ba₄Cu₆Oy.更多还原