Nano-crystalline powders and microwave dielectric properties of Zr0.8Sn0.2TiO4 ceramics derived using deep eutectic solvents

Choline chloride-malonic acid deep eutectic solvent (Cm-DES) was employed to synthesize Zr0.8Sn0.2TiO4 nano-powders using Zr(CH3COO)4, SnCl2∙2H2O, and Ti(OCH3CH3)4 as raw materials. The nano-powder with the mean grain size of 10.7 nm obtained at 450 °C, significantly lower than that by conventional mixed oxide routes. Meantime, densification ceramics improved as-synthesized powder. relative density 96.8 % were 1350 °C it exhibited good microwave dielectric properties (εr = 37.8, Qf 42,600 GHz, τf − 4.1 ppm/°C). These results show Cm-DES route is suitable for synthesis nano-powders, beneficial low-temperature firing ceramics, helps reduce energy consumption time costs.