The effect of Mn on the microstructure and properties of BaSrTiO3 with B2O3-Li2CO3

Integration of ferroelectric tunable components into dielectric layers of low temperature co--fired ceramic (LTCC) systems enables the realization of more functional multilayer ceramic modules (MCMs) for telecommunication applications. A composition designed for the low temperature sintering of ferr...

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Bibliographic Details
Published in:Journal of the European Ceramic Society 2005, Vol.25 (12), p.2531-2535
Main Authors: TAO HU, PRICE, Tim J, IDDLES, David M, UUSIMÄKI, Antti, JANTUNEN, Heli
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dielectric properties of solids and liquids
Dielectrics, piezoelectrics, and ferroelectrics and their properties
Electrotechnical and electronic ceramics
Exact sciences and technology
Permittivity (dielectric function)
Physics
Technical ceramics
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Summary:Integration of ferroelectric tunable components into dielectric layers of low temperature co--fired ceramic (LTCC) systems enables the realization of more functional multilayer ceramic modules (MCMs) for telecommunication applications. A composition designed for the low temperature sintering of ferroelectric BST material has been developed based upon previous work. Small amount of manganese is introduced to modify the properties of ferroelectric BaSrTiO3 LTCC compositions. The effects of manganese on sintering behaviour, microstructure, relative permittivity, dissipation factor and tunability are studied. Manganese enhances the sintering of the BST due to an increase in the amount of oxygen vacancies and which yields an improvement in the electrical properties of BST.
ISSN:0955-2219
1873-619X
DOI:10.1016/j.jeurceramsoc.2005.03.095