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Influence of B2O3 Additive on Microwave Dielectric Properties of Li2ZnTi3O8 Ceramics for LTCC Applications



The effect of B2O3 addition on the microwave dielectric properties and microstructure of Li2ZnTi3O8 ceramics prepared using conventional solid-state reaction was investigated for low-temperature co-fired ceramic (LTCC) applications. X-ray diffraction and scanning electron microscopy were used to investigate the effect of B2O3 addition on the sintering process. The Li2ZnTi3O8 ceramic sintered at 875°C with 0.5 wt% B2O3 for 4 h showed good microwave dielectric properties including εr = 25, Q × f = 50,917 GHz, and τf = −17.8 ppm/°C. Silver was found to be unreactive toward the 0.5 wt% B2O3 doped Li2ZnTi3O8 ceramic under the above sintering conditions.

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