PVA/HPMC/Fe₂O₃–MoO₃ nanocomposites with tunable optical, dielectric, and electrical properties for energy-storage and optoelectronic applications. - Alhossainy, M. H.; Albarkaty, Kheir S.; Tommalieh, M. J.; Alghamdi, S. K.; El-Shamy, N. T.; Asnag, G. M.; Khoreem, Sadiq H.; El Gohary, Hassan G. (Journal of Sol-Gel Science & Technology, 2026)