Polycrystalline SrBi_(4)Ti_(3.975)Zr_(0.025)O_(15)(SBTZ)was prepared using solid-state reaction technique.SBTZ was characterized by X-ray diffraction(XRD)and scanning electron microscopy(SEM).XRD analysis indicated th...Polycrystalline SrBi_(4)Ti_(3.975)Zr_(0.025)O_(15)(SBTZ)was prepared using solid-state reaction technique.SBTZ was characterized by X-ray diffraction(XRD)and scanning electron microscopy(SEM).XRD analysis indicated the formation of a single-phase orthorhombic structure.Particle size was found using SEM.The dielectric,ferroelectric,piezoelectric,modulus and impedance spectroscopy studies on SBTZ were investigated in the frequency range 1Hz-1MHz from room temperature(RT)to 600℃.Piezoelectric charge and electromechanical coupling coefficients were calculated from resonance and anti-resonance frequencies.Impedance and modulus plots were used as tools to analyze the sample behavior as a function of frequency.Cole-Cole plots showed a non-Debye relaxation.Conductivity measurements were performed on SBTZ.展开更多
文摘Polycrystalline SrBi_(4)Ti_(3.975)Zr_(0.025)O_(15)(SBTZ)was prepared using solid-state reaction technique.SBTZ was characterized by X-ray diffraction(XRD)and scanning electron microscopy(SEM).XRD analysis indicated the formation of a single-phase orthorhombic structure.Particle size was found using SEM.The dielectric,ferroelectric,piezoelectric,modulus and impedance spectroscopy studies on SBTZ were investigated in the frequency range 1Hz-1MHz from room temperature(RT)to 600℃.Piezoelectric charge and electromechanical coupling coefficients were calculated from resonance and anti-resonance frequencies.Impedance and modulus plots were used as tools to analyze the sample behavior as a function of frequency.Cole-Cole plots showed a non-Debye relaxation.Conductivity measurements were performed on SBTZ.
