Structural and Dielectric Properties of ZrO2 Added (Na1/2Bi1/2)TiO3 Ceramic

Kumari, K and Prasad, K and Yadav, K L and Sen, S (2009) Structural and Dielectric Properties of ZrO2 Added (Na1/2Bi1/2)TiO3 Ceramic. BRAZILIAN JOURNAL OF PHYSICS , 39 (2). pp. 297-300.

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Polycrystalline samples of ZrO2 added (Na1/2Bi1/2) TiO3 were prepared using high-temperature solid-state reaction method at 1050 degrees C and subsequent sintering at 1090 degrees C in air atmosphere. Rietveld analyses of XRD data indicated the formation of a single-phase hexagonal structure with R3c symmetry. Dielectric studies revealed the relaxor behaviour. The addition of ZrO2 to (Na1/2Bi1/2) TiO3 shifted phase transition temperature as well as depolarization temperature to higher side which is desirable for piezoelectric applications. The frequency dependence of the temperature of the permittivity maximum was modeled using Vogel-Fulcher relation. The dielectric relaxation in the system is found to be analogous to the magnetic relaxation in spin-glass system

Item Type:Article
Official URL/DOI:
Uncontrolled Keywords:Lead free compound; Perovskite; Dielectric properties; Relaxor
Divisions:Material Science and Technology
ID Code:3208
Deposited By:Sahu A K
Deposited On:07 Jul 2011 15:52
Last Modified:03 Jan 2012 12:55
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