PREPARATION OF YBCO SUPERCONDUCTING THICK FILMS ON SINGLE CRYSTAL MgO (100) AND METALLIC Ni%5W SUBSTRATES BY THE DIP-COATING METHOD

被引：0
|
作者：
Garces, Paula [1 ]
Marino, Alvaro [2 ]
机构：
[1] Univ Nacl Colombia, Dept Quim, Bogota, Colombia
[2] Univ Nacl Colombia, Dept Fis, Bogota, Colombia
来源：
DYNA-COLOMBIA | 2009年 / 76卷 / 160期
关键词：
YBCO superconducting thick films; Dip-Coating method; Melt-Annealing; SPRAY-PYROLYSIS;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Superconducting thick films of YBa2Cu3O7-delta(YBCO) (>= 1 mu m thick) were deposited on single crystal MgO (100) and Ni%5W metallic substrates using the Dip-Coating method and thereafter heat treated by a Melt - Annealing process. Critical temperatures (Tc) of the films were approximately 89K and the critical current densities (Jc) around 2x10(4) A/cm(2) at 77 K. All the samples displayed a granular morphology and a crystalline structure which correspond with that of the polycrystalline YBCO (123) as determined by scanning electron microscopy (SEM) and X-ray diffraction (DRX) respectively.
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页码：179 / 184
页数：6
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