High Critical Current Density of YBa(2)Cu(3)O(7-x) Superconducting Films Prepared through a DUV-assisted Solution Deposition Process.
High Critical Current Density of YBa(2)Cu(3)O(7-x) Superconducting Films Prepared through a DUV-assisted Solution Deposition Process.
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通过 DUV-LE 辅助溶液沉积工艺制备 YBa2Cu3O7-x 超导薄膜的高临界电流密度
DOI：
10.1038/srep38257
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发表时间：
2016-12-01
影响因子：
4.6
通讯作者：
You C
中科院分区：
文献类型：
--
作者：
Chen Y;Bian W;Huang W;Tang X;Zhao G;Li L;Li N;Huo W;Jia J;You C
虽然YBa 2Cu 3 O 7 −x（YBCO）超导薄膜的溶液沉积具有成本效益，并且能够大规模生产，但其超导性的进一步改进是必要的。在这项研究中，深紫外（DUV）照射技术结合低氟溶液工艺的发展，以制备YBCO薄膜。在前体溶液中使用丙烯酸基团作为螯合剂。丙烯酸基团对254 nm处的深紫外光高度敏感，并显著吸收紫外光。暴露于DUV光的涂覆的凝胶膜在150 °C下分解，并且防止了铜聚集。紫外辐照促进了薄膜中残碳等副产物的去除，提高了薄膜的致密度，增强了薄膜的结晶性和超导电性。采用F/Ba = 2的溶液在LaAlO 3（LAO）衬底上制备了厚度为260 nm、临界电流密度接近8 MA/cm 2的YBCO薄膜。
Although the solution deposition of YBa2Cu3O7−x (YBCO) superconducting films is cost effective and capable of large-scale production, further improvements in their superconductivity are necessary. In this study, a deep UV (DUV) irradiation technique combined with a low-fluorine solution process was developed to prepare YBCO films. An acrylic acidic group as the chelating agent was used in the precursor solution. The acrylic acidic group was highly sensitive to DUV light at 254 nm and significantly absorbed UV light. The coated gel films exposed to DUV light decomposed at 150 °C and copper aggregation was prevented. The UV irradiation promoted the removal of the carbon residue and other by-products in the films, increased the density and enhanced the crystallinity and superconductivity of the YBCO films. Using a solution with F/Ba = 2, YBCO films with thicknesses of 260 nm and enhanced critical current densities of nearly 8 MA/cm2 were produced on the LaAlO3 (LAO) substrates.
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影响因子：
3.7
作者：
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通讯作者：
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DOI：
10.1016/j.jeurceramsoc.2016.05.031
发表时间：
2016-11-01
影响因子：
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