The dielectric properties of （AgxNa1-x）（NbyTa1-y）O3 were investigated, and its dielectric loss and capacitance were measured. The dielectric properties of nanometer （AgxNa1-x）（NbyTa1-y）O3 ceramic prepared by l...The dielectric properties of （AgxNa1-x）（NbyTa1-y）O3 were investigated, and its dielectric loss and capacitance were measured. The dielectric properties of nanometer （AgxNa1-x）（NbyTa1-y）O3 ceramic prepared by liquid method were better than that by conventional solid method. The average grain size of the nanometer powder（34 nm） obtained by citrate-gel method was small near 500 nm and homogeneous and the microstructure was dense and uniform. In addition, the sintering temperature had a great effect on properties. The dielectric properties of resultant samples were as follows： ε〉500, tgδ〈6 10^-4, αc〈 10 ppm/℃, ρv〉1 012Ω·cm.展开更多
基金863 Project(No.2007AA03z423)NCET and China Postdoctoral Science Foundation
文摘The dielectric properties of （AgxNa1-x）（NbyTa1-y）O3 were investigated, and its dielectric loss and capacitance were measured. The dielectric properties of nanometer （AgxNa1-x）（NbyTa1-y）O3 ceramic prepared by liquid method were better than that by conventional solid method. The average grain size of the nanometer powder（34 nm） obtained by citrate-gel method was small near 500 nm and homogeneous and the microstructure was dense and uniform. In addition, the sintering temperature had a great effect on properties. The dielectric properties of resultant samples were as follows： ε〉500, tgδ〈6 10^-4, αc〈 10 ppm/℃, ρv〉1 012Ω·cm.
基金Postdoctoral Science Foundation of China(2012M520605)Research Foundation of Taiyuan University of Technology(tyut-rc201369a,2013Z040)+1 种基金Open Foundation of State Key Laboratory of Coal Conversion(09-102)Natural Science Foundation of Shanxi Province(2013011042-1)
