以MgO,Co2O3和TiO2为原料,用固相反应法制备了(Mg1-xCox)TiO3(MCT)系陶瓷.研究了CoTiO3含量对其微观结构和微波介电性能的影响.结果表明:添加适量的CoTiO3,可以适当降低烧结温度,调整烧结温度范围.当掺入量为10 mol%,烧结温度为1350 ℃时,MCT陶瓷具有优良微波介电性能:εr=18.99;Q×f=154000 GHz,τf=-45 ppm/℃.
参考文献
| [1] | 杨辉,张启龙,王家邦,尤源,黄伟.微波介质陶瓷及器件研究进展[J].硅酸盐学报,2003(10):965-973,980. |
| [2] | Wakino K.Recent development of dielectric resonator resonator materials and filters in Japan[J].Ferroelectrics,1989(01):69-86. |
| [3] | Huang CL.;Pan CL.;Shium SJ. .Liquid phase sintering of MgTiO3-CaTiO3 microwave dielectric ceramics[J].Materials Chemistry and Physics,2003(1):111-115. |
| [4] | Cheng-Liang Huang;Jiun Liang Hou;Chung-Long Pan .Effect of ZnO additive on sintering behavior and microwave dielectric properties of 0.95MgTiO_3-0.05CaTiO_3 ceramics[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2008(1/2):359-363. |
| [5] | Cheng-Liang Huang;Chung-Long Pan;Jui-Feng Hsu .Dielectric properties of (1-x) (Mg_(0.95)Co_(0.05))TiO_3-xCaTiO_3 ceramic system at microwave frequency[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2002(15):2483-2490. |
| [6] | 陆佩文;薛万荣;余桂郁.硅酸盐物理化学[M].南京:东南大学出版社,1990:66-304. |
| [7] | Anatolii Belous;Oleg Ovchar;Dmitrii Dunlin .High-Q Microwave Dielectric Materials Based on the Spinel Mg_2TiO_4[J].Journal of the American Ceramic Society,2006(11):3441-3445. |
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