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High Performance of YBCO Films Prepared by Fluorine-free MOD Method and a Direct Annealing Process

机译：无氟MOD法和直接退火工艺制备的高性能YBCO薄膜

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摘要

Chemical solution-deposited (CSD) is a cost-effective non-vacuum method for YBCO coated conductor fabrication. We developed a new fluorine-free metal-organic deposition (MOD) method with metal acetates, propionic acid and xylene as the starting materials. Using this non-fluorine MOD method, we were able to get high performance YBCO superconducting films within a shortened heat treatment time, which was reduced by at least 5 h in comparison with that for the pyrolysis-annealing non-fluorine MOD process. Superconducting property, with a critical current density (J_c) over 0.55 MA/cm~2 at 77K , self-field has been obtained for 380 nm epitaxial YBCO thin films on (001) LaAlO_3 single crystal substrate. Owing to the low price of starting materials and the shorter heat treatment time, fluorine-free MOD method is a very effective and cost-cutting process.
机译：化学溶液沉积（CSD）是一种用于YBCO涂层导体制造的经济有效的非真空方法。我们开发了一种新的无氟金属有机沉积（MOD）方法，该方法以金属乙酸盐，丙酸和二甲苯为原料。使用这种非氟MOD方法，我们能够在更短的热处理时间内获得高性能的YBCO超导薄膜，与热解退火非氟MOD工艺相比，热处理时间至少缩短了5小时。在（001）LaAlO_3单晶衬底上，对380 nm外延YBCO薄膜具有超过0.55 MA / cm〜2的临界电流密度（J_c）的超导性能。由于原料价格低廉且热处理时间短，无氟MOD方法是一种非常有效且节省成本的方法。

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  • 来源
    《Inorganic thin films and coatings》|2012年|243-246|共4页
  • 会议地点 Guilin(CN)
  • 作者

    Xiangxue Xu; Wanchen Xu; Yueling Bai; Chuanbin Cai; Jianhui Fang;

  • 作者单位

    Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, P. R. China;

    Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, P. R. China;

    Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, P. R. China;

    Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, P. R. China;

    Department of Chemistry, College of Sciences, Shanghai University, Shanghai 200444, P. R. China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    YBCO films; Fluorine-free MOD; One-step heat treatment; Xylene;

    机译：YBCO电影；无氟MOD;一站式热处理；二甲苯;

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