Magnetic, dielectric and optical properties of Al-, Mg-, Co- and Zn-ion–doped CuCrO2 I. N. Apostolova, A. T. Apostolov and J. M. Wesselinowa EPL, 133 4 (2021) 47003 Published online: 30 March 2021 DOI: 10.1209/0295-5075/133/47003