Enhanced flux pinning in MOD-YBCO films with co-doping of BaZrO3 and Y2O3 nanoparticles
Enhanced flux pinning in MOD-YBCO films with co-doping of BaZrO3 and Y2O3 nanoparticles
复制标题
BaZrO3 和 Y2O3 纳米粒子共掺杂增强 MOD-YBCO 薄膜中的通量钉扎
DOI:
10.1016/j.jallcom.2011.10.035
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发表时间:
2012-02
影响因子:
6.2
通讯作者:
Cao, Jiangli
中科院分区:
文献类型:
--
作者:
Ding, Fazhu;Gu, Hongwei;Zhang, Teng;Wang, Hongyan;Qu, Fei;Dai, Shaotao;Peng, Xingyu;Cao, Jiangli
A combined BaZrO3(BZO) and Y2O3nanoparticles has been achieved in YBa2Cu3O7−x(YBCO) films by metalorganic deposition using trifluoroacetates (TFA-MOD). The formation of integrated nanoparticles increases the critical current density (Jc) of Y2O3/BZO doped-YBCO films while keeping the critical transition temperature (Tc) close to that in the pure YBCO films. The YBCO film with 7.0mol.% BZO and 7.0mol.% Y2O3showed Tcvalue of 90K and Jcvalue of 6.5mA/cm2at self-field (0T, 77K). The strongly enhanced flux pinning over a wide range of magnetic field can be attributed to the combined different crystal structures of BZO and Y2O3created by optimized TFA-MOD conditions.
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