Effect of Firing Temperature on the Structure and Properties of YBa2Cu3O7-x Films by TFA-MOD Method

被引：0
|
作者：
Ding, Fazhu [1 ]
Gu, Hongwei [1 ]
Li, Tao [1 ]
机构：
[1] Gen Res Inst NonFerrous Met, Ctr Supercond Res, Beijing 100088, Peoples R China
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2008年 / 21卷 / 06期
关键词：
TFA-MOD; YBCO film; Firing temperature;
D O I：
10.1007/s10948-008-0336-x
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
YBa2Cu3O7-x (YBCO) films were fabricated on LaAlO3 (LAO) substrate under various firing temperatures (760-870C) in the crystallization process by metalorganic deposition (MOD) method using trifluoroacetates. The effect of firing temperature on the structure and properties of YBCO films was systematically investigated. According to the XRD and SEM images, the films fired at low temperature (760-800C) showed poor electrical performance due to rough surfaces and impurity phases. However, the films fired at 850C showed the highest critical temperature of 90 K and the highest J (c) of 3.1 MA/cm2 which attribute to the formation of a purer YBCO phase, fewer pores, and stronger biaxial texture.
引用
收藏
页码：359 / 363
页数：5
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