Evaluation of radiation energy attenuation parameters of gamma rays and neutrons for La<SUB align="right">0.7Sr<SUB align="right">0.3MO<SUB align="right">3 (M = Fe, Mn, Co) nano perovskite compounds: a simulation study

Abstract

This study aimed to examine the radiation attenuation of three perovskite samples, La0.7Sr0.3FeO3, La0.7Sr0.3MnO3, and La0.7Sr0.3CoO3 (LSF, LSM, and LSC) using Monte Carlo (MC) simulation code and Phy-X/PSD (PhyX) software in the energy range of 0.015-15 MeV. Gamma and neutron attenuation parameters [e.g., mass attenuation coefficient (MAC), half value layer (HVL), effective atomic number (Zeff), equivalent atomic number (Zeq), etc.] are calculated. The LAC values varied from 777.363 to 0.847 cm-1 for LSF, 709.033 to 0.0841 cm-1 for LSM, and 794.686 to 0.0874 cm-1 for LSC. The HVL values grew from 0.001 to 0.819 cm-1, 0.824 cm-1, and 0.793 cm-1 for LSF, LSM, and LSC respectively. Also, the fast neutron removal cross-section (FNRCS) values were 0.109, 0.108, and 0.108 cm-1 for LSF, LSM, and LSC, respectively. As a result, among the testes compositions, the LSC sample can be regarded as a better material for applications requiring radiation attenuations, such as nuclear security and patient safety in radiation-heavy environments.