New insight on spin polarized current injection in high-Tc cuprate/manganite devices J. Dumont, M. Moraguès, B. Leridon, J. Lesueur and J. P. Contour Eur. Phys. J. B, 35 3 (2003) 331-337 Published online: 15 October 2003 DOI: 10.1140/epjb/e2003-00285-1