Compositionally graded ceramics based on Ba1 − xSrxTiO3 solid solutions

Homogeneous and compositionally graded barium strontium titanate (Ba 1 − x Sr x TiO 3 ) ceramics have been prepared in the form of thick films by slip casting. The strontium content was varied across the graded films from 0 to 30 mol %. Microstructural examination and dielectric measurements have sh...

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Bibliographic Details
Published in:Inorganic materials 2011, Vol.47 (1), p.87-92
Main Authors: Shut, V. N., Syrtsov, S. R., Trublovsky, V. L., Strukov, B. A.
Format: Article
Language:English
Subjects:
Barium strontium titanates
Ceramics
Chemistry
Chemistry and Materials Science
Dielectrics
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Slip casting
Solid solutions
Strontium
Thick films
Titanium dioxide
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Summary:Homogeneous and compositionally graded barium strontium titanate (Ba 1 − x Sr x TiO 3 ) ceramics have been prepared in the form of thick films by slip casting. The strontium content was varied across the graded films from 0 to 30 mol %. Microstructural examination and dielectric measurements have shown that, varying the composition and thickness of the layers in graded structures and the sintering conditions, one can control the behavior of their dielectric characteristics and obtain a small temperature coefficient of capacitance in a predetermined temperature range.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168511010122