Strontium Bismuth Tantalate Ceramic

Strontium bismuth tantalate sbt thin films containing sr defect and bi excess have been prepared by chemical solution deposition onto spontaneously oxidized si 100 substrates with two different heterostructure electrodes.

Strontium bismuth tantalate ceramic.

Sr deficient and bi excess sbt sr 0 8 bi 2 2 ta 2 o 9 s 0 8 b 2 2 t ceramic samples were prepared by a conventional ceramic technique. Using bitao 4 as the precursor ferroelectric strontium bismuth tantalate srbi 2 ta 2 o 9 was successfully synthesized. The optimum poling conditions temperature t p time t p and electric field e p were. These films however have a critical problem.

Development of advanced low temperature co fired ceramics ltcc. The piezoelectric properties of strontium bismuth tantalate srbi 2 ta 2 o 9 sbt ceramics were enhanced by introducing off stoichiometry into the starting materials. Strontium bismuth tantalate strontium bismuth tantalum oxide sbt is a ferroelectric ceramic for dielectric applications in electronics and other advanced technologies. American elements can produce strontium bismuth tantalate in various compositions based on customer needs.

Synthesis and characterisation of oxide ions conductors with the apatite structure for intermediate temperature sofc p 1177. Jacers is a leading source for top quality basic science research and modeling spanning the diverse field of ceramic and glass materials science. Ferroelectric and piezoelectric properties of strontium bismuth tantalate ceramics p 1169. Layered perovskite sbt films were crystallized in oxygen by rapid thermal processing at 973 k for 1 h with an intermediate treatment at 823 k for 2 h.

A high processing temperature 700oc is required for the crystallization of the perovskite phase. Heating the mixtures of bitao 4 and srco 3 at 800 c resulted in the entire formation of a single phase srbi 2 ta 2 o 9 the formation process of this compound was verified to be a direct reaction occurring between the reactants without the presence of intermediates. Gonzalez tantalum penta glycolate sol as a precursor of strontium bismuth tantalate ferroelectric thin films journal of the american ceramic society 88 10 2702 2005.