Structural and Dielectrical Properties of Nb-doped PZTN Ceramics

Pradeep Kumar Yadav¹, Ruby Yadav² and Sanjay Kumar Singh^3,*

 ^1,2Physics Department, Meerut College, Meerut, U.P., India.

³Directorate of Higher Education, U.P., Pryagraj, India.

*email: tanishqrawal@gmail.com

Polycrystalline samples of PZTN with the compositions Pb_1.1-x/2 (Zr_0.53 Ti_0.47)_1-x Nb_xO₃ (where x=0.00, 0.01, 0.02, 0.03, 0.04, and 0.05) has been prepared by solid state reaction method. X-ray diffraction studies suggest that the compounds are in rhombohedral phase. Pyrochlore value and surface morphology was studied by scanning electron microscope (SEM). Detailed studies of dielectric constants as a function of temperature (40^oC-500°C) and frequency (100Hz-1MHz) suggest that the compound do not have relaxor behavior and undergoes diffuse type of phase transition.

Keywords:   Dielectric, ceramics, XRD, SEM.

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