Abstract
A crystallizable glass which can precipitate barium titanate was added to BaTiO3 ceramics to study its effect on sintering behavior and dielectric properties of the composites. High densification (>95 % theoretical density) was achieved by addition of glass phase and the dielectric constant of composites was enhanced through the crystallization of glass phase. A composite with 90 wt% BaTiO3 and 10 wt% glass showed a dielectric constant of ~2,300 at room temperature at 1 kHz and a dielectric breakdown strength about 140 kV/cm.
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Acknowledgments
This research was supported by NSF-EFRI Grant 1038272. The X-ray multipurpose diffractometer used in the present research was acquired through MRI award DMR 0821536.
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Su, X., Tomozawa, M., Nelson, J.K. et al. Effect of crystallizable glass addition on sintering and dielectric behaviors of barium titanate ceramics. J Mater Sci: Mater Electron 24, 2135–2140 (2013). https://doi.org/10.1007/s10854-013-1071-z
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DOI: https://doi.org/10.1007/s10854-013-1071-z