In this work, dielectric and tunability properties of glass spheres containing elastomer based materials have been investigated with dielectric spectroscopy as a function of frequency, composition and DC bias field. Real and imaginary part of dielectric constant and dielectric loss values of the gs1 (glass spheres), gs2, and gs3 were investigated in the frequency range of 100 to 40 × 106 Hz. Dielectric tunabilities of 69%, 87% and 33% were measured on gs1, gs2, and gs3 at 10 kHz and at room temperature. The degrees of anharmonic contributions to the polarization are very high for gs2 and gs3 as 4.53 × 10−8 and 1.77 × 10−8 (mm/kV)2. Also, dielectric constant, FOM (%) and absorption coefficient a values were calculated at 10 × 103 Hz and 20 × 103 V/mm depending for different glass spheres.
©2014 by Walter de Gruyter Berlin/Munich/Boston
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