Read more about it in
S. Pakhira, N. S. Sangeetha, D. H. Ryan, V. Smetana, A.-V. Mudring, D.C. Johnston, Ferromagnetic Cluster-Glass Phase in Ca(Co1−xIrx)2−yAs2 crystals, Phys. Rev. B, 2020, 102, 024410.
Physical Materials Chemistry, Department of Materials and Environmental Chemistry, Stockholm University