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Combustion synthesis and characterization of BaTiO3

Published online by Cambridge University Press:  03 March 2011

Zhimin Zhong  and
Patrick K. Gallagher
Zhimin Zhong
Affiliation:
Departments of Chemistry and Materials Science and Engineering, The Ohio State University, Columbus, Ohio 43210-1173
Patrick K. Gallagher
Affiliation:
Departments of Chemistry and Materials Science and Engineering, The Ohio State University, Columbus, Ohio 43210-1173
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Abstract

An important, somewhat novel procedure for the bulk synthesis of finely divided crystalline BaTiO3 powder has been studied and is applicable to the synthesis of other compounds in the BaO-TiO2 system as well. An aqueous solution of Ba(NO3)2, TiO(NO3)2, and alanine is spray dried. A combustion reaction occurs when heating the product to 300 °C. The reaction converts the spray-dried mixture to BaTiO3. This BaTiO3 powder and its sinterability have been characterized by thermal analysis, XRD, SEM, dielectric, and particle size measurements. The powder resulting from the thermal runaway reaction is finely divided and sinters more readily than the conventionally prepared high purity BaTiO3.

Type
Articles
Information
Journal of Materials Research , Volume 10 , Issue 4 , April 1995 , pp. 945 - 952
Copyright
Copyright © Materials Research Society 1995

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