Exchange bias and training effects in antiferromagnetically coupled La0.7Sr0.3MnO3/SrRuO3 superlatticesS. Narayana Jammalamadaka, J. Vanacken and V. V. MoshchalkovEPL, 98 1 (2012) 17002DOI: https://doi.org/10.1209/0295-5075/98/17002