Interpretation of the magnetoresistance in doped magnetic tunnel junctions A. Vedyayev, R. Vlutters, N. Ryzhanova, J. C. Lodder and B. Dieny Eur. Phys. J. B, 25 1 (2002) 5-10 Published online: 15 January 2002 DOI: 10.1140/e10051-002-0001-2