Simple oxalate precursor route for the preparation of barium-strontium titanate : Ba1-xSrxTiO3 powders

• Published in: Materials characterization Vol. 54; no. 1; pp. 63 - 74
• Main Authors: KHOLLAM, Y. B, DESHPANDE, S. B, POTDAR, H. S, BHORASKAR, S. V, SAINKAR, S. R, DATE, S. K
• Format: Journal Article
• Language: English
• Published: New York, NY Elsevier Science 2005
• Subjects: Cross-disciplinary physics: materials science; rheology; Exact sciences and technology; Materials science; Phase diagrams and microstructures developed by solidification and solid-solid phase transformations; Physics; Solidification; Barium-strontium titanate; Barium-strontium titanyl oxalate; Oxalates; Permittivity; XRF

A simple one--step cation--exchange reaction between the stoichiometric solutions of ammonium titanyl oxalate (ATO) and barium hydroxide+strontium nitrate at room temperature (RT) is investigated successfully for the quantitative precipitation of barium--strontium titanyl oxalate (BSTO): Ba1--xSrxTi...