Preparation of Stoichiometric M'TiO3, Powders (M' = Ba, Sr, Ca) from Catecholate Complexes

Autor:	S. J. Milne, L. A. Xue, N. J. Ali, J. Bultitude
Rok vydání:	1988
Předmět:	chemistry.chemical_compound Materials science Aqueous solution Chemical engineering chemistry Agglomerate Economies of agglomeration Oxide Sintering Crystallite Stoichiometry
Zdroj:	MRS Proceedings. 121
ISSN:	1946-4274 0272-9172
DOI:	10.1557/proc-121-269
Popis:	Powders of BaTiO3, SrTiO3, and CaTiO3, were prepared from intermediate catecholate complexes, M'[Ti(C6H4O2], M' = Ba, Sr, Ca. Conversion to oxide was accomplished by heating at 600°C to produce stoichiometric powders of crystallite size, < 0.1 μm, with relatively weak agglomeration. Ultrasonic treatment of aqueous suspensions of the powders resulted in measured agglomerate sizes of less than 2–3 μm. Chemical and physical properties of the new powders are reported, together with information on sintering behaviour.
Databáze:	OpenAIRE
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