Facile combustion synthesis of MnO2–Fe2O3 nanocomposites: interface-driven ethanol gas sensing with enhanced response and stability. - Pakhare, K. S.; Potdar, S. S.; Naik, M. C.; Sargar, B. M.; Kharmate, G. M.; Jamadar, I. S.; Deore, A. B. (Journal of Materials Science: Materials in Electronics, 2026)