Electrical and dielectric properties of Na1/2La1/2Cu3Ti4O12 ceramics prepared by high energy ball-milling and conventional sintering |
FE-SEM morphologies of (a) the NLCTO powder and the fractured surface of NLCTO ceramics, (b) NLCTO-25, (c) NLCTO-50, (d) NLCTO-75, and (e) NLCTO-00. |