Magnetoelectric coupling in multiferroic BaTiO3-CoFe2O4 composite nanofibers via electrospinningBi Fu, Ruie Lu, Kun Gao, Yaodong Yang and Yaping WangEPL, 111 1 (2015) 17007DOI: https://doi.org/10.1209/0295-5075/111/17007