Entangled core/shell magnetic structure driven by surface magnetic symmetry-breaking in Cr2O3 nanoparticles. N. Rinaldi-Montes, P. Gorria, A.B. Fuertes, D. Martínez-Blanco, Z. Amghouz, I. Puente-Orench, L. Olivi, J. Herrero-Martín, M.P. Fernandez-Garcia, J. Alonso, M. Phan, H. Srikanth, X. Martik & J.A. Blanco. Journal of Materials Chemistry C, 2022,10, 1798-1807