Effect of MCl (M = Na, K) addition on microstructure and electrical conductivity of forsteriteSaloua El Asri, Hamid Ahamdane, Lahoucine Hajji, Mohamed El Hadri, Moulay Ahmed El Idrissi Raghni and Mohammed MansoriEur. Phys. J. Appl. Phys., 92 1 (2020) 10901DOI: https://doi.org/10.1051/epjap/2020200161