2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27815The properties of Josephson junction including a ferromagnetic insulating layer are studied theoretically. The calculated current shows the anomalous dependence on the magnitude of the exchange interaction at the interface. The Josephson junction changes from 0-junction to $π$-junction with the increase of the magnitude of the exchange interaction.3 pages Latex, 4 eps figuresSuperconductivitytext