Evaluation of radiation energy attenuation parameters of gamma rays and neutrons for La_0.7Sr_0.3MO₃ (M = Fe, Mn, Co) nano perovskite compounds: a simulation study
by Mohamed H. Ghozza; Islam M. Nabil; Ibrahim S. Yahia; Heba Yehia Zahran; Moyad Shahwan; Samer H. Zyoud; M.S. Abd El-Sadek; Vanga Ganesh; Mai Saleh A. Hussien
International Journal of Power and Energy Conversion (IJPEC), Vol. 15, No. 2, 2024

Abstract: This study aimed to examine the radiation attenuation of three perovskite samples, La_0.7Sr_0.3FeO₃, La_0.7Sr_0.3MnO₃, and La_0.7Sr_0.3CoO₃ (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 (Z_eff), equivalent atomic number (Z_eq), 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.

Online publication date: Tue, 16-Apr-2024

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