| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1820380 | Physica C: Superconductivity and its Applications | 2006 | 4 Pages |
Abstract
We have investigated the effect of Ta2O5 addition on the superconducting properties of REBa2Cu3Oy (RE = Er, Sm and Eu: REBCO) prepared by a powder-sintering method. Tc(zero) values showed no degradation up to 1.0 wt.% Ta2O5 addition for ErBCO samples. EuBCO and SmBCO samples showed the increase in Tc(zero) from 89 K to 94 K by the addition of 1 wt.% Ta2O5, and 80 K to 94 K by the addition of 2 wt.% Ta2O5, respectively. Jc values at B = 0.5 T increased by two times the pure samples for ErBCO with 1.0 wt.% addition, four times for EuBCO with 1.5 wt.% addition, and 33 times for SmBCO with 1.0 wt.% addition. The formation of REBa2TaO6 was observed for the Ta2O5-added REBCO samples.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
R. Kita, T. Naito, A. Shiraishi, K. Oidaira, T. Nakamura, O. Miura, K. Matsumoto, Y. Yoshida, M. Mukaida, S. Horii, A. Ichinose,