Low temperature sintering and microwave dielectric properties of LiMgVO4 ceramics

作者：Yao, Guo-Guang^*; Hu, Xu-Sheng; Tian, Xiu-Lao; Liu, Peng; Xu, Jian-Gang

来源：Journal of Materials Science: Materials in Electronics , 2015, 26(3): 1795-1798.

DOI：10.1007/s10854-014-2612-9

• COMPLEX PERMITTIVITY
• CRYSTAL-STRUCTURE

LiMgVO4 ceramics were prepared by the conventional solid-state reaction method. Their structure and microwave dielectric properties have been investigated in relation to sintering condition. The XRD patterns of sintered samples revealed the single-phase formation with orthorhombic structure. As sintering temperature/time increased, the bulk density, er and Q x f values increased to maximum and then decreased, respectively, while tau(f) value did not change remarkably. The LiMgVO4 ceramics sintered at 700 degrees C for 4 h showed optimized microstructure and microwave dielectric properties of epsilon(r) = 8.86, Q x f = 23,300 GHz (at 10.2 GHz) and tau(f) = -140 ppm/degrees C, and it did not react with Ag electrode, which make it a promising candidate for LTCC applications.

• 出版日期2015-3
• 单位陕西师范大学; 西安邮电大学