Dielectric And Electrical Properties Of ZnSb2O4 Ceramics 

Anita Mekap, Piyush R. Das, R. N. P. Choudhary*

Department of Physics, Institute of Technical Education & Research, Siksha ‘O’Anusandhan University, Jagmohan Nagar, Jagamara Bhubaneswar 751030, India

Adv. Mater. Lett., 2014, 5 (3), pp 152-156

DOI: 10.5185/amlett.2013.fdm.65

Publication Date (Web): Feb 02, 2014

E-mail: crnpfl@gmail.com

Abstract


The polycrystalline sample of ZnSb2O4 was prepared by a high-temperature solid-state reaction technique. Preliminary X-ray diffraction (XRD) studies of powder sample of ZnSb2O4 showed the formation of single-phase compound at room temperature. The surface morphology of the pellet sample of ZnSb2O4 was recorded at room temperature using a scanning electron microscope (SEM). Detailed studies of dielectric properties (εr, tan δ) and impedance parameters of the material provide an insight into the electrical properties and understanding of types of relaxation process occurred in the material. Temperature variation of dc conductivity shows that this compound exhibits negative temperature coefficient of resistance (NTCR) and frequency dependence of ac conductivity suggests that the material obeys Jonscher’s universal power law.

Keywords

Ceramics, XRD, electrical conductivity, impedance spectroscopy.

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