High-Temperature Permittivity and Data−Mining of Silicon Dioxide at GHz Band

The high-temperature permittivity of quartz fibre-reinforced silicon dioxide (SiO₂/SiO₂) nano−composites is studied on the basis of the multi-scale theoretical model. We obtain the permittivity of the SiO₂/SiO₂ at high temperature, which is dependent on the temperature by data−mining. The result shows that the permittivity and loss tangent obtained by data-mining are well consistent with the measured ones. The high-temperature permittivity can be well predicted for SiO₂/SiO₂ by the as-proposed model and the data-mining method.