PVDF–HFP/PZT nanocomposite thin films: preparation, structure and piezoelectric propertiesKhadija Oumghar, Nabil Chakhchaoui, Mohamed Assal, Adil Eddiai, Mounir El Achaby, Mounir Meddad, Omar Cherkaoui and M'hamed MazrouiEur. Phys. J. Appl. Phys., 97 (2022) 88DOI: https://doi.org/10.1051/epjap/2022220111