Abstract
Improved density (>98 %) has been realized in Zr0.8Sn0.2TiO4 (ZST) composition using nano-powder as precursor obtained from high energy milling process. Sintering has been performed at 1,325 °C for 4 h without using any sintering aids. XRD pattern shows single phase formation with orthorhombic structure. The microwave dielectric properties of ZST ceramics derived from precursor nano powder (obtained by high energy milling for 4 h) gives an optimum value of permittivity (e′ ~ 38) and quality factor (Q × f ~ 1,03,300). However, precursor nanopowder obtained from extended milling (12 h) renders fine particle size (~20 nm) with meager change in permittivity within experimental error, whereas quality factor gets drastically reduced.
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