YBa2Cu3O7-δ films with high critical current density on epitaxial films of Ba2LaNbO6, a new perovskite substrate for YBa2CuO7-δ superconductorS. P. Pai, J. Jasudasan, P. R. Apte, R. Pinto, J. Kurian, P. K. Sajith, J. James and J. KoshyEurophys. Lett., 39 6 (1997) 669-674DOI: https://doi.org/10.1209/epl/i1997-00413-7