Low-Temperature Sintering of CuxZn1−xTi0.2Zr0.8Nb2O8 Ceramics
Author Information
Author(s): Ma Xing-Hua, Qu Qi, Wu Haitao, Zhang Zhenlu, Ma Xingyi, Biasiol Giorgio
Primary Institution: School of Mechanical & Automotive Engineering, Qingdao University of Technology, Qingdao, China
Hypothesis
Can the partial substitution of Zn2+ with Cu2+ and the addition of LiF reduce the sintering temperature of ZnTi0.2Zr0.8Nb2O8 ceramics for LTCC applications?
Conclusion
The study successfully demonstrated that Cu0.3Zn0.7Ti0.2Zr0.8Nb2O8 ceramics can be sintered at 950 °C with excellent microwave dielectric properties.
Supporting Evidence
- The ceramics exhibited a relative permittivity (εr) of 32 and a quality factor (Q × f) of 45,543 GHz.
- The addition of 40 mol% LiF allowed for successful sintering at 950 °C.
- The study confirmed no adverse chemical reactions between the ceramic and silver electrodes.
Takeaway
This research found a way to make special ceramics that work well for communication devices without needing to heat them up too much.
Methodology
The ceramics were synthesized using the conventional solid-state reaction method, involving ball milling and high-temperature treatment.
Limitations
The study primarily focused on a specific range of compositions and did not explore all possible variations.
Digital Object Identifier (DOI)
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