Perovskite Phase Formation in the Relaxor System [Pb(Fe1/2Nb1/2)O3]1-x-[Pb(Zn1/3Nb2/3)O3]x

Autor:	Arvind Halliyal, Arun M. Umarji, Radhika M. V. Rao
Rok vydání:	1996
Předmět:	Materials science Inorganic chemistry Pyrochlore Analytical chemistry Dielectric engineering.material Phase (matter) visual_art Materials Chemistry Ceramics and Composites engineering visual_art.visual_art_medium Dielectric loss Ceramic Ceramic capacitor Perovskite (structure) Solid solution
Zdroj:	Journal of the American Ceramic Society. 79:257-260
ISSN:	1551-2916 0002-7820
DOI:	10.1111/j.1151-2916.1996.tb07906.x
Popis:	Phase formation and dielectric properties of the compositions in the system [Pb(Fe1/2Nb1/2)O3]1_x–[Pb(Zn1/3Nb2/3)O3]x were investigated as possible materials for multilayer ceramic capacitors. The formation of the phase with perovskite structure and dielectric properties of ceramics at room temperature in the entire composition range are presented. The undesirable pyrochlore phase can be suppressed up to x= 0.6 by adopting calcination of B-site oxides, followed by reaction with PbO. Compositions in the single-phase range can be sintered at less than 1000°C.
Databáze:	OpenAIRE
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