Preparation and properties of Y1-xHoxBa2Cu3O7-d thin films by TFA-MOD method
journal contribution
posted on 2024-11-16, 08:25authored byHongbin Jian, Qi Li, Dongqi ShiDongqi Shi, Li Zhang, zhaorong Yang, Shi DouShi Dou, Xuebin Zhu, Yuping Sun
"Y(1-x)Ho(x)Ba(2)Cu(3)O(7-delta), (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) thin films were prepared on LaAlO(3) (001) substrates by trifluoroacetate metal organic deposition (TFA-MOD) without change of the processing parameters. The highest J(c) was attributed to the sample of Y(0.6)Ho(0.4)Ba(2)Cu(3)O(7-delta) thin film, whose critical current density is about 1.6 times as compared to that of YBa(2)Cu(3)O(7-delta) thin film at 77 K and self field. The flux pinning type was not varied with Ho substitution and can be attributed to delta l pinning model, which is attributed to the close ionic radius between the Y3(+) and Ho3(+) ions. The improvement off J(c) by Ho substitution without change of the processing parameters will provide an effective route to enhance the J(c) of YBCO-based thin films using TFA-MOD method. (C) 2011 Elsevier B.V. All rights reserved."
Funding
Current limiting mechanisms in magnesium diboride superconductors
Jian, H., Li, Q., Shi, D., Zhang, L., Yang, z., Dou, S., Zhu, X. Sun, Y. (2011). Preparation and properties of Y1-xHoxBa2Cu3O7-d thin films by TFA-MOD method. Physica C: Superconductivity and its Applications, 471 (23-24), 1669-1674.