Electrical and dielectric properties of Na1/2La1/2Cu3Ti4O12 ceramics prepared by high energy ball-milling and conventional sintering

Electrical and dielectric properties of Na_1/2La_1/2Cu₃Ti₄O₁₂ ceramics prepared by high energy ball-milling and conventional sintering

Mahfoz Kotb H^{1, 2, †,}, Ahmad Mohamad M^{1, 3, ‡,}

Plots of logrithmic relaxation time τ versus 1000/T for NLCTO ceramics. Solid and empty symbols refer to the grains and grain boundaries, respectively.