Microwave dielectric properties of tunable Ba0.5Sr0.5TiO3 and scheelite AMoO4 (AÂ =Â Ba, Sr) composite ceramics

► (1 − x)Ba0.5Sr0.5TiO3-xAMoO4 (A = Ba, Sr) were prepared and their property were investigated. ► A new kind of composite with high tunability, low dielectric constant. ► Binary composite structures have the greatly enhanced dielectric properties. ► The samples of (1 − x)Ba0.5Sr0.5TiO3-xAMoO4 has the level of Q value (⩾259).