Brahimi, Abdelhalim Bourouba, Nacerdine Agaba, Chahinaz Martinez Jiménez, Juan. Pablo Bouzit, Nacerdine Saidani, Okba Yousfi, Abderrahim Almalki, Abdulmajeed Flah, Aymen Ghoneim, Sherif.S.M. Alshennawy, Abdallah Dielectric behavior characterization and modeling of ternary composites (epoxy resin - barium titanate - oxides) using mixing laws Journal of Materials Research and Technology 10.1016/j.jmrt.2026.01.244 2026 2026