Magnetic map of Cr adatom, Cr dimer and Cr–O on Co(0001) hcp: first principles calculations J. C. Ávila-Gaxiola, M. E. E. Ávila-Gaxiola, J. G. Ibarra-Armenta and S. Meza-Aguilar Eur. Phys. J. B, 98 6 (2025) 129 Published online: 15 June 2025 DOI: 10.1140/epjb/s10051-025-00971-w