Figure 4From: Effects of NiO nanoparticles on the magnetic properties and diffuse phase transition of BZT/NiO compositesRelative permittivity and loss tangent as a function of temperature. (a) Pure BZT93 ceramic, (b) BZT93 + 1.0 vol.% NiO, (c) BZT93 + 2.0 vol.% NiO, and (d) BZT93 + 3.0 vol.% NiO.Back to article page