Preparation of 0.95Bi1/2Na1/2TiO3·0.05BaTiO3 ceramics by an aqueous citrate-gel route

David L. West; David A. Payne

doi:10.1111/j.1151-2916.2003.tb03303.x

Preparation of 0.95Bi_1/2Na_1/2TiO₃·0.05BaTiO₃ ceramics by an aqueous citrate-gel route

David L. West, David A. Payne

RF and Intelligent Systems

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Abstract

This report details development of a route to solution-derived (1-x)Bi_1/2Na_1/2TiO₃·xBaTiO₃ powders. The method developed was the citrate-gel method - an evaporative, aqueous technique. When applied to 0.95Bi_1/2Na_1/2TiO₃·0.05BaTiO₃ (BNBT-5), the method produced perovskite phase powders that readily densified in the temperature range of 1000°C. The grain size of the sintered materials was on the order of 1 μm, and the weak-field dielectric properties at 1 MHz were similar to those reported for conventionally prepared materials sintered at higher temperatures (e.g., 1200°C).

Original language	English
Pages (from-to)	192-194
Number of pages	3
Journal	Journal of the American Ceramic Society
Volume	86
Issue number	1
DOIs	https://doi.org/10.1111/j.1151-2916.2003.tb03303.x
State	Published - Jan 2003

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10.1111/j.1151-2916.2003.tb03303.x

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title = "Preparation of 0.95Bi1/2Na1/2TiO3·0.05BaTiO3 ceramics by an aqueous citrate-gel route",

abstract = "This report details development of a route to solution-derived (1-x)Bi1/2Na1/2TiO3·xBaTiO3 powders. The method developed was the citrate-gel method - an evaporative, aqueous technique. When applied to 0.95Bi1/2Na1/2TiO3·0.05BaTiO3 (BNBT-5), the method produced perovskite phase powders that readily densified in the temperature range of 1000°C. The grain size of the sintered materials was on the order of 1 μm, and the weak-field dielectric properties at 1 MHz were similar to those reported for conventionally prepared materials sintered at higher temperatures (e.g., 1200°C).",

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AB - This report details development of a route to solution-derived (1-x)Bi1/2Na1/2TiO3·xBaTiO3 powders. The method developed was the citrate-gel method - an evaporative, aqueous technique. When applied to 0.95Bi1/2Na1/2TiO3·0.05BaTiO3 (BNBT-5), the method produced perovskite phase powders that readily densified in the temperature range of 1000°C. The grain size of the sintered materials was on the order of 1 μm, and the weak-field dielectric properties at 1 MHz were similar to those reported for conventionally prepared materials sintered at higher temperatures (e.g., 1200°C).

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Preparation of 0.95Bi_1/2Na_1/2TiO₃·0.05BaTiO₃ ceramics by an aqueous citrate-gel route

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