Magnetic and dielectric studies of the La0.8Na0.2Mn0.97Fe0.03O3 sol–gel compoundM. R. Laouyenne, Mohamed Baazaoui, Fatma Aouaini, Beriham Basha and KholoudSaad Al-mugrenEur. Phys. J. B, 98 1 (2025) 12DOI: https://doi.org/10.1140/epjb/s10051-024-00857-3