Decoupling of magnetic core and shell contributions in antiferromagnetic Co3O4 nanostructuresM. J. Benitez, O. Petracic, H. Tüysüz, F. Schüth and H. ZabelEPL, 88 2 (2009) 27004DOI: https://doi.org/10.1209/0295-5075/88/27004