High Heating Efficiency of Magnetite Nanoparticles Synthesized with Citric Acid: Application for Hyperthermia Treatment. - Ramirez, D.; Oliva, J.; Cordova-Fraga, T.; Basurto-Islas, Gustavo; Benal-Alvarado, J. J.; Mtz-Enriquez, A. I.; Quintana, M.; Gomez-Solis, C. (Journal of Electronic Materials, 2022)