Screen printed barium titanate thick films prepared from mechanically activated powders
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Resumo
Barium titanate thick films were prepared from mechanically activated powders based on BaCO 3 and TiO 2. The thick films were screen-printed on alumina substrates electroded with Ag/Pd. The BT films were sintered at 850°C for 1 hour. The thickness was 30-75 μm depending of number of layers. The microstructure of thick films and the compatibility between BT layers and substrate was investigated by SEM. The dielectric properties were measured and the results were reported.
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Barium titanate, Microstructure, Properties, Screen-printed, Thick films, Mechanically activated powders, Dielectric films, Permittivity measurement, Powders, Scanning electron microscopy, Screen printing
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Inglês
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Key Engineering Materials, v. 206-213, n. II, p. 1425-1428, 2001.
