Alternating current conductivity and dielectric relaxation of PANI:PVDF composites Sami Saïdi, Aymen Mannaî, Mouna Bouzitoun and Abdellatif Belhadj Mohamed Eur. Phys. J. Appl. Phys., 66 1 (2014) 10201 Published online: 21 April 2014 DOI: 10.1051/epjap/2014130245