Disentangling orbital and spin exchange interactions for Co2+ on a rocksalt lattice by Sarte, P, Cowley, R, Rodriguez, E, Pachoud, E, Le, D, García-Sakai, V, Taylor, J, Frost, C, Prabhakaran, D, Macewen, C, Kitada, A, Browne, A, Songvilay, M, Yamani, Z, Buyers, W, Attfield, J, Stock, C