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Structural and dielectric investigations on BST-BZT composites

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Title Structural and dielectric investigations on BST-BZT composites
 
Creator Kulkarni, S B
Veer, S S
Salunkhe, D J.
Kokare, S R
Joshi, P B
 
Subject BST
BZT
Composites
Hydroxide co-precipitation
Dielectric properties
 
Description 116-120
Nanopowders of Ba₀․₈Sr₀․₂TiO₃ (BST) and BaZr₀․₃Ti₀․₇O₃ (BZT) are synthesized using hydroxide co-precipitation method. The nanoparticles are used to form composites z BST + (1-z) BZT for z = 0.4, 0.5 and 0.6 with 2 wt% Bi₂O₃ as a sintering aid. The powders of BST, BZT and composites are subjected to the investigations of XRD, complex impedance and dielectric properties. The results on variation of dielectric constant with temperature and frequency are promising and suggest usefulness of composites as a RF dielectric material, in the paraelectric region.
 
Date 2008-09-09T08:53:33Z
2008-09-09T08:53:33Z
2008-04
 
Type Article
 
Identifier 0971-4588
http://hdl.handle.net/123456789/1957
 
Language en_US
 
Publisher CSIR
 
Source IJEMS Vol.15(2) [April 2008]