Deposition and characterization of YBCO/CeO2/YSZ/CeO2 multilayers on biaxially textured Ni substrates
Wang Shu-Fang (王淑芳)a, Zhao Song-Qing (赵嵩卿)b, Liu Zhen (刘震)b, Zhou Yue-Liang (周岳亮)b, Chen Zheng-Hao (陈正豪)b, Lü Hui-Bin (吕惠宾)b, Jin Kui-Juan (金奎娟)b, Cheng Bo-Lin (程波林)b, Yang Guo-Zhen (杨国桢)b
a Physics and Technology College of Hebei University, Baoding 071002, China; b Laboratory of Optical Physics, Institute of Physics and Center of Condensed Matter Physics,Chinese Academy of Sciences, Beijing 100080, China
Abstract CeO/YSZ/CeO buffer layers were deposited on biaxially textured Ni substrates by pulsed laser deposition. The influence of the processing parameters on the texture development of the seed layer CeO was investigated. Epitaxial films of YBCO were then grown in situ on the CeO/YSZ (yttria-stabilized ZrO)/CeO-buffered Ni substrates. The resulting YBCO conductors exhibited self-field critical current density of more than 1 MA/cm at 77K and superconducting transition temperature of about 91K.
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