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cond-mat.supr-con1999
Andreev Bound States and Josephson Coupling in YBCO/Pb tunnel junction
J. Lesueur, X. Grison, M. Aprili +1
We have made in-situ [103] and [110]YBCO/Pb junctions, which display an hysteretic behaviour with both a well-defined Quasi-Particule branch and a Josephson current. A zero energy…
cond-mat.supr-con1999
Enhancement of Andreev reflection by spin polarization in out-of-equilibrium ferromagnet-superconductor junctions
O. Bourgeois, P. Gandit, J. Lesueur +4
We report on transport measurements on Nb/Al/Gd/Al/Nb junctions.Bulk Gadolinium is a weakly polarized ferromagnet (5-7%), and is present in the junction in granular form (superpara…