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Microwave dielectric properties and low-fire processing of Ca0.244Li0.3Nd0.404Ti0.96Al0.02Nb0.02O3 ceramics doped with BZLBS

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Abstract

In this work, the efficacy of sintering aid BaO–ZnO–Li2O–B2O3–SiO2 (BZLBS) on the sintering process at lower temperatures was verified for the Ca0.244Li0.3Nd0.404Ti0.96Al0.02Nb0.02O3 (CLNTAN) ceramics. Crystalline phases and dielectric properties of samples were systematically investigated as well. The results exhibited that the BZLBS apparently reduced the sintering temperature of CLNTAN by forming the liquid phase. Additionally, doping BALBS sintering aid not only reduced the sintering temperature, but also declined the dielectric constant (εr) and the quality factor (Q × f) for CLNTAN ceramic. Eventually, the microwave dielectric properties are as follows: εr = 104.7, Q × f = 2560 GHz and τf = − 2.1 ppm/°C (sintered at 950 °C). The results demonstrated that the CLNTAN ceramic doped with 4 wt% BZLBS is a potential LTCC ceramic application.

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The datasets generated during and analyzed during the current study are available from the corresponding author on reasonable request.

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All authors contributed to the study conception and design. Material preparation, data collection, and analysis were performed by DL. The first draft of the manuscript was written by DL and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Zhe Xiong or Bin Tang.

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Li, D., Xiong, Z., Chen, J. et al. Microwave dielectric properties and low-fire processing of Ca0.244Li0.3Nd0.404Ti0.96Al0.02Nb0.02O3 ceramics doped with BZLBS. J Mater Sci: Mater Electron 33, 12466–12475 (2022). https://doi.org/10.1007/s10854-022-08204-x

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