2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/29139We consider Andreev reflection in ferromagnet-superconductor junctions and extend the treatment by de Jong and Beenakker to incorporate the effect of a repulsive potential at the interface. We show the existence of a spin accumulation at a finite voltage in this model.5 pages, 1 figure, Talk given at the XXXIVth Rencontres de Moriond 1999 (Quantum Physics at Mesoscopic Scale)Superconductivitytext