研究了掺杂Co2O3对ZnTiO3陶瓷的微观结构与介电性能的影响.结果表明,掺杂的Co2O3在高温下分解生成Co2+进入ZnTiO3晶格形成(CoxZn1-x)TiO3固溶体,有效阻止了其分解为立方尖晶石相和金红石相.当Co2O3掺杂量为x=0.1,烧结温度1050℃时,陶瓷具有优良的微波介电性能和体积密度:ε=29.8,Q=4660(f=10GHz),Tf=-60×10-6/℃,p=5.11 g/mm3,并形成稳定、完全致密化的介电陶瓷组织结构.
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