Abstract
In this study, the crystal structure and magnetic properties (Bs, ΔH, and 4πMs) of Li0.35Zn0.30Mn0.05Ti0.1Fe2.05O4 (LiZnMnTi) ferrites sintered at low temperature doped with MgO-Al2O3-B2O3-SiO2 (MABS) glass were investigated. The results indicated that a spinel phases LiZn ferrite was obtained at low temperatures (from 880 °C to 920 °C), which is very advantageous for LTCC technology. Moreover, additive of MABS glass can promote grain growth, improve densification and enhance gyromagnetic properties. In addition, for the LiZnMnTi ferrites sintered at 920 °C, when amounts of MABS glass reached 0.5 wt %, saturation magnetization increased from 141 mT to 304 mT, coercivity decreased from 512 A/m to 189 A/m, and FMR line width (ΔH) reduced from 749 to 262 Oe at ∼9.5 GHz. These findings confirmed that MABS glass had positive effects on low temperature co-fired ferrites.
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