Near the phase transition temperature 120 ℃,the dielectric constant of barium titanate is large. In order to be well applied in electric ceramics,the phase transition temperature needs to decrease to the room temperature through doping Sr,Zr,Si and so on. Barium titanate ceramics( Ba1- xSrxTiO3)doped with different rates of Sr were prepared through the solid-state reaction. The dielectric properties and the phase transition temperatures were studied with different frequencies. The results show that barium t...
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