STRONG FLUX PINNING OF NANO-SIZED YSZ PARTICLES IN YBCO FILMS PREPARED BY MOD METHOD

被引：0
|
作者：
Ye, S. [1 ]
Suo, H. L. [1 ]
Liu, M. [1 ]
Tang, X. [1 ]
Wu, Z. P. [1 ]
Zhao, Y. [1 ]
Zhou, M. L. [1 ]
机构：
[1] Beijing Univ Technol, Key Lab Adv Funct Mat, Beijing 100022, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2011年 / 25卷 / 31期
关键词：
TFA-MOD; YBCO film; YSZ nanoparticle;
D O I：
10.1142/S0217984911027704
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The YBCO films with doped YSZ nanoparticles have been prepared successfully by metal organic doepositon method using trifluoroacetates (TFA-MOD) through dissolving Zr organic salt into the YBCO precursor solution. The doped films have well in-plane and out-plane textures detected by both XRD Phi-scan and omega-scan. The YSZ nanoparticles with the size of about 5 similar to 15 nm were observed on the surface of the YBCO films using both FE-SEM and TEM. By comparing the superconducting properties, it was found that the doped YBCO films had lower T(c) than that of undoped YBCO films. However, as increasing the applied magnetic field, J(c) of the doped YBCO films were much better than that of undoped one. The J(c) was as higher as 2.5 times than that of undoped YBCO film at 77 K and 1 T applied field.
引用
收藏
页码：2371 / 2376
页数：6
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