Enhanced exchange bias in fully epitaxial Fe3O4/tetragonal-like BiFeO3 magnetoelectric bilayersM. Y. Sun, P. Li, C. Jin, L. Y. Wang, D. X. Zheng and H. L. BaiEPL, 105 1 (2014) 17007DOI: https://doi.org/10.1209/0295-5075/105/17007