Li, Yuting; b, A; Huang, Zipeng; Li, Lingxia - 2022
In this study, columbite MgNb2-xTaxO6 (x = 0.0, 0.2, 0.4, 0.6, and 0.8) ceramics are synthesized by a conventional solid-state reaction; the microwave dielectric properties and bond characteristics are investigated with bond-valence theory and structure refinement. The substitution of Ta5+ for...