Influence of Ag-doping and thickness on superconducting properties of YBa2Cu3O7 films

被引：4
|
作者：
Pysarenko, S. V. [1 ]
Pan, A. V. [1 ]
Dou, S. X. [1 ]
机构：
[1] Univ Wollongong, Inst Superconducting & Eelct Mat, Wollongong, NSW 2522, Australia
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2007年 / 460卷
基金：
澳大利亚研究理事会;
关键词：
YBa2Cu3O7; films; doping; critical current density; pinning; THIN-FILMS; CONDUCTORS;
D O I：
10.1016/j.physc.2007.04.175
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Pure and silver doped epitaxial high quality YBa2Cu3O7 films of various thicknesses have been grown by pulsed laser deposition. Ag-doping procedures have demonstrated that the critical current density (J(c)) is possible to enhance by a careful adjustment of the doping. Comparing thickness dependences of J(c) for doped and undoped samples, it turns out that the thickness strongly affects the doping influence. Applied magnetic field and temperature dependences of J(c) for doped and undoped films of different thicknesses are discussed in order to explain the observed results. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：1363 / 1364
页数：2
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