M. Ahabboud, T. Lamcharfi, F. Abdi, N. Hadi, F. Ajyaje, and M. Haddad, “Effect of Cu Doping on Structural and Dielectric Properties of Pb1-xCux(Zr0.52Ti0.48)O3(PCxZT) (0 ≤ x ≤ 0.2) Ceramics Prepared by Sol-Gel Method”, ajc, vol. 33, no. 3, pp. 665–670, Feb. 2021.