Perpendicular exchange bias and its control by magnetic, stress and electric fields Ch. Binek, P. Borisov, Xi Chen, A. Hochstrat, S. Sahoo and W. Kleemann Eur. Phys. J. B, 45 2 (2005) 197-201 Published online: 08 March 2005 DOI: 10.1140/epjb/e2005-00054-2