Abstract
Dielectric properties of lithium molybdate disks fabricated by moistening water‐soluble Li2MoO4 powder, compressing it, and postprocessing the samples at 120°C, were improved by the optimization of powder particle size, sample pressing pressure, and postprocessing time. It appeared that the postprocessing temperature of the Li2MoO4 ceramics could be chosen so as to be applicable to the associated integrated materials as long as the postprocessing time was adequately adjusted to ensure the removal of the residual water. In addition, the dielectric properties of Li2MoO4 ceramic were modified with an inclusion of suitable additives. For example, at 1 GHz the relative permittivity of Li2MoO4 disks fabricated at room temperature and postprocessed at 120°C was increased from 6.4 to 8.8 with an addition of 10 vol% of rutile TiO2 and to 9.7 with an addition of 10 vol% of BaTiO3. At the same time the loss tangent value increased from 0.0006 to 0.0014 and to 0.011, respectively.
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