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Microwave assisted synthesis of barium zirconium titanate

journal contribution
posted on 2015-06-26, 14:48 authored by V. Vinothini, Vaidhy VaidhyanathanVaidhy Vaidhyanathan, J.G.P. Binner
The paper reports the synthesis, structural and high frequency dielectric properties of Ba(Zr x Ti1−x )O3,BZT, nanopowders where x = 0, 0.1, 0.2, 0.3. These powders were synthesized using both microwave assisted and conventional heating, with the former requiring lower temperature and shorter times compared to the latter, viz., 700 °C for 30 min versus 900 °C for 5 h. The synthesized nanopowders were characterized using X-ray diffraction, micro-Raman spectroscopy, transmission electron microscopy, BET surface area analysis, differential scanning calorimetry and high frequency dielectric measurements. All the microwave synthesized BZT compositions were found to have well crystallized, finer nanoparticles with less agglomeration and higher dielectric permittivity compared to the conventionally prepared powders. The rapidity and less demanding processing conditions associated with the microwave assisted method augers well for the general applicability of the technique for the production of nanocrystalline powders.


The authors thank the EPSRC/TSB of the United Kingdom for the research funding and one of the authors (VV) thank the Science Faculty Fellowship Fund of the Loughborough University for her PhD scholarship.



  • Aeronautical, Automotive, Chemical and Materials Engineering


  • Materials

Published in

Journal of Materials Science


VINOTHINI, V., VAIDHYANATHAN, B. and BINNER, J.G.P., 2011. Microwave assisted synthesis of barium zirconium titanate. Journal of Materials Science, 46 (7), pp. 2155-2161.


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