Novel series of ultra-low loss microwave dielectric ceramics: Li2Mg3BO6 (B = Ti, Sn, Zr)

作者：Fu, Zhifen^*; Liu, Peng; Ma, Jianli; Zhao, Xiaogang; Zhang, Huaiwu

来源：Journal of the European Ceramic Society, 2016, 36(3): 625-629.

DOI：10.1016/j.jeurceramsoc.2015.10.040

• Microwave dielectric properties
• Microstructure
• Li2Mg3BO6 (B=Ti, Sn, Zr) Ceramics

Using a conventional solid-state reaction Li2Mg3BO6 (B =Ti, Sn, Zr) ceramics were prepared and their microwave dielectric properties were investigated. The analysis revealed that cubic Li2Mg3BO6 (B=Ti,Sn, Zr) ceramics with a rock salt structure could be obtained in their respective sintering temperature range. Three promising ceramics Li2Mg3TiO6, Li2Mg3SnO6 and Li2Mg3ZrO6 sintered at 1280 degrees C, 1360 degrees C and 1380 degrees C possessed out-bound microwave dielectric properties: epsilon r =15.2, 8.8 and 12.6, Qxf= 152,000 GHz (at 83 GHz), 123,000 GHz (at 10.7 GHz) and 86,000 GHz (at 9.3 GHz), and tau(f) = -39 ppm/degrees C, -32 ppm/ C and -36 ppm/degrees C, respectively. 2015 Elsevier Ltd.

• 出版日期2016-2
• 单位陕西师范大学; 安徽理工大学; 电子科技大学