BaTi1-xZrxO3 nanopowders prepared by the modified pechini method

The results reported here based on a study of BaTi1-xZrxO3 (x=,0.2 and 1) nanometric powders prepared by the modified Pechini method. The powder samples annealed from 600 to 1000 deg C/2 h were characterized by thermogravimetric analysis (TG), differential scanning calorimetry (DSC), X-ray diffracti...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2007-03, Vol.87 (3), p.725-730
Main Authors: BERNARDI, M. I. B, ANTONELLI, E, LOURENCO, A. B, FEITOSA, C. A. C, MAIA, L. J. Q, HERNANDES, A. C
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Powders
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Summary:The results reported here based on a study of BaTi1-xZrxO3 (x=,0.2 and 1) nanometric powders prepared by the modified Pechini method. The powder samples annealed from 600 to 1000 deg C/2 h were characterized by thermogravimetric analysis (TG), differential scanning calorimetry (DSC), X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques. The decomposition reactions of resins were studied using thermal analysis measurements. The barium titanate zirconate system presented just one orthorhombic phase. Furthermore, this study produced BaTiO3 powders with a tetragonal structure using shorter heat treatments and less expensive precursor materials than those required by the traditional methods.
ISSN:1388-6150
1588-2926
1572-8943
DOI:10.1007/s10973-006-7767-z