|
|||||
|
|
Study of the magnetic properties of single-crystal Ba0.6K0.4BiO3 |
|
| Authors: | Z.J. Huang H.H. Fang Y.Y. Xue P.H. Hor C.W. Chu M.L. Norton H.Y. Tang |
| Affiliation: | Texas Center for Superconductivity, University of Houston, Houston, TX 77204-5932, USA Department of Chemistry, University of Georgia, Athens, GA 30602, USA |
| Abstract: | The magnetic properties of single-crystal Ba0.6K0.4BiO3 were studied. The results show that this isotropic superconductor (cubic structure with Tc ≈ 32 K) exhibits irreversibility and relaxation properties similar to those observed in the layered, high temperature superconductors. For fields above 0.1 T, an irreversibility line Birr = Birr (0) (1 − t)n with n = 3/2 and Birr (0) = 20 T is observed. The comparison among several superconducting systems with different anisotropies suggests that the irreversibility line is unlikely to be the melting line for the YBa2Cu3O7−δ. |
| Keywords: | |
| 本文献已被 ScienceDirect 等数据库收录！ | |