| 简介 |
The present invention relates to a nanostructured superconducting material of type REBa2Cu3O7, where RE= Rare Earth or yttrium, comprising two phases, a principal matrix of REBa2Cu3O7 and a secondary phase of BaZrO3, CeO2, BaSnO3, BaCeO3, SrRuO3, La1-x Mx MnO3 (M=Ca, Sr, Ba), RE2 O3 and/or RE2Cu2O5). The secondary phase is distributed at random within the matrix in such a way that it provides a high density of nanometric defects, thereby increasing the capacity for effectively anchoring the vortices. Another subject of the invention is the procedure through which these superconducting materials are produced. |
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