Disorder effect upon energy band gaps and carrier effective masses of ZnxCd1−xS Nadir Bouarissa, Fadila Mezrag and Najoua Turki-Kamoun Eur. Phys. J. Plus, 136 7 (2021) 724 Published online: 06 July 2021 DOI: 10.1140/epjp/s13360-021-01526-5