Abstract
The lowering of the sintering temperature of BaMg 1/3Ta 2/3O 3 (BMT) ceramic is investigated using sintering aids. First is considered the addition of B 2O 3 and it is shown that such addition allows to sinter BMT material at around 1100 °C, whereas the usual sintering temperature is higher than 1500 °C in air atmosphere. Sinterability of B 2O 3 added BMT material in reductive atmosphere (RA) is also discussed. To enhance the sintering temperature lowering, the combination of LiNO 3 and B 2O 3 is secondly investigated. Using both sintering aids with appropriate amount, it is shown that BMT material can be sintered at 1050 °C in a reductive atmosphere as well as in air atmosphere while maintaining dielectric properties ( ε=24, | τ ε |<50 ppm/°C and Q>1000). These results are promising for the manufacturing of base metal electrodes (BME)–multilayers capacitor (MLCC).
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