(Tl0.5Pb0.5)(Sr0.95Ba0.05)2(Ca0.8Gd0.2) Cu2Oz 1212 superconducting films on lanthanum aluminate

被引：2
|
作者：
Sudra, H. [1 ]
Gritzner, G. [1 ]
Hoerhager, N. [2 ]
Weber, H. W. [2 ]
机构：
[1] Johannes Kepler Univ Linz, Inst Chem Technol Inorgan Mat, A-4040 Linz, Austria
[2] Austrian Univ, Inst Atom, A-1020 Vienna, Austria
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2008年 / 21卷 / 07期
关键词：
D O I：
10.1088/0953-2048/21/7/075010
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Superconducting films of (Tl(0.5)Pb(0.5))(Sr(0.95)Ba(0.05))(2)(Ca(0.8)Gd(0.2))Cu(2)Oz 1212, approximately 3 mu m in thickness, were fabricated on single-crystalline lanthanum aluminate. The films were practically phase pure and showed excellent in-plane and out-of-plane texture. Critical temperatures of up to 96 K were recorded. Critical current densities of the order of 40 MA m(-2) at 77 K in self-field were measured both by transport and by magnetic studies. Magnetic measurements were made between 5 and 77 K. Microstructure studies were carried out to learn about the effects influencing the critical current density.
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页数：4
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