Abstract
Dielectric characterization of MgTiO3, CaTiO3 and MgTiO3(x)-CaTiO3(1-x) composite thick films with different concentrations (x = 0.95, 0.50, and
0.20) in the microwave frequency range at room temperature is presented.
The films were fabricated by screen-printed method with thickness
between 105 and 165 mu m. Dielectric constant values between 4.2 and
17.5 and loss tangents between 0.0064 and 0.0098 were measured for
frequencies in the range from 3.22 to 3.89 GHz using the coplanar
waveguide (CPW) resonators technique. A relationship between the
concentration ratio of MTO-CTO in the films and the dielectric constant
is also presented.
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