人工晶体学报2017，Vol.46Issue(3)：514-518,5.
V2O5掺杂对0.6SrTiO3-0.4LaAlO3微波介质陶瓷结构与性能的影响
Effect of V2O5 Doping on the Structure and Properties of 0.6SrTiO3-0.4LaAlO3 Microwave Dielectric Ceramics
摘要
Abstract
The changing relationship between additive amount of V2O5 and the sintered properties, dielectric properties of 6ST-4LA microwave dielectric ceramics which prepared by conventional solid-state route were investigated.The results show that small addition of V2O5 does not change the crystal phase of 6ST-4LA ceramics, the main phase of samples is SrTiO3-based solid solution.Moderate addition of V2O5 could not only dramatically lower the sintering temperature which dropped to 1450 ℃, but also increase the dielectric constant and the Quality factor(Q·f), and adjust the τf.The second phase SrVO3 appeared and increased gradually with increasing the content of V2O5.The 0.10wt% V2O5-doped 6ST-4LA ceramics sintered at 1450 ℃ have the optimal integrated microwave dielectric properties: εr=46.46 , Q·f=59219 GHz, τf=3×10-6 /℃.关键词
0.6SrTiO3-0.4LaAlO3/V2O5/微波介质陶瓷/介电常数Key words
0.6SrTiO3-0.4LaAlO3/V2O5/microwave dielectric ceramics/dielectric constant分类
化学化工引用本文复制引用
黄春娥,陆小荣,陆旻瑶,宦媛..V2O5掺杂对0.6SrTiO3-0.4LaAlO3微波介质陶瓷结构与性能的影响[J].人工晶体学报,2017,46(3):514-518,5.基金项目
江苏高校优势学科建设工程资助项目(PAPD) （PAPD）
长江学者和创新团队发展计划(IRT1146) （IRT1146）
