Dielectric relaxation induced by oxygen vacancies in Na${}_{0.5}$Bi${}_{0.5}$TiO${}_3$ ceramics

V. M. Sidak, M. P. Trubitsyn, T. V. Panchenko

Dielectric permittivity was studied in ceramics of relaxor ferroelectric bismuth-sodium titanate Na${}_{0.5}$Bi${}_{0.5}$TiO${}_3$. The measurements were performed on as sintered and h…