Modification of optical properties of PC-PBT/Cr2O3 and PC-PBT/CdS nanocomposites by gamma irradiationKaoutar Benthami, Mai ME. Barakat and Samir A. NouhEur. Phys. J. Appl. Phys., 92 2 (2020) 20402DOI: https://doi.org/10.1051/epjap/2020200201