Abstract
The 0.9Mg2SiO4-0.1CaTiO3 (MSCT) ceramics with 60ZnO-20B2O3-20SiO2 glass (ZBS) and LiF compound additives were prepared by solid-state reaction method. The effects of different ZBS contents on the phase, densification temperature, surface morphology and dielectric properties of MSCT ceramics were studied. The results show that ZBS can inhibit the reaction between LiF and CaTiO3, which improve the surface morphology and reduce the sintering temperature of MSCT ceramics. The sample of MSCT with 2wt%ZBS-1.5wt%LiF sintered at 900 °C for 90 min shows excellent microwave dielectric properties: εr = 9.26, Q × f = 68,580 GHz (at 15.5 GHz) and τf = -1.49 ppm/ °C. There is no obvious element diffusion at the co-firing interface between dielectrics and Ag electrodes, indicating it is a promising candidate for LTCC applications.
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Acknowledgements
This work was Supported by the "Pioneer" R&D Program of Zhejiang Province under 2022C01006.
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Jianxi Tong: Conceptualization, Methodology, Software. Cong Tang: Data curation, Writing- Original draft preparation. Yu Xin: Visualization, Investigation. Zugao Yu, Chunchun Wu: Supervision. Caixia Zhang, Jingang Tan: Software, Validation. Fancheng Meng:Writing- Reviewing and Editing.
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Tang, C., Xin, Y., Zhang, C. et al. Effects of ZBS addition on crystallization, microstructure and dielectric properties of low temperature co-fired Mg2SiO4-CaTiO3 ceramics. J Electroceram 50, 44–49 (2023). https://doi.org/10.1007/s10832-023-00303-3
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DOI: https://doi.org/10.1007/s10832-023-00303-3