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Influence of B 2 O 3 Additive on Microwave Dielectric Properties of Li 2 ZnTi 3 O 8 Ceramics for LTCC Applications
Author(s) -
Liu ChihYi,
Tsai BingGuang,
Weng MinHang,
Huang ShyhJer
Publication year - 2012
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2012.02835.x
Subject(s) - materials science , ceramic , sintering , dielectric , microstructure , scanning electron microscope , analytical chemistry (journal) , microwave , doping , mineralogy , composite material , optoelectronics , chemistry , physics , chromatography , quantum mechanics
The effect of B 2 O 3 addition on the microwave dielectric properties and microstructure of Li 2 ZnTi 3 O 8 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 B 2 O 3 addition on the sintering process. The Li 2 ZnTi 3 O 8 ceramic sintered at 875°C with 0.5 wt% B 2 O 3 for 4 h showed good microwave dielectric properties including ε r = 25, Q × f = 50,917 GHz, and τ f = −17.8 ppm/°C. Silver was found to be unreactive toward the 0.5 wt% B 2 O 3 doped Li 2 ZnTi 3 O 8 ceramic under the above sintering conditions.
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