Polymer ceramic composite materials are candidate material for capacitor application. In this research, MWCNT and BaTiO3 were used as fillers in epoxy thin film composites where the filler loading was in the range of 0 to 2.0 vol%. The thin film composites were fabricated by using spin coating method. The dielectric constant and dielectric loss were measured at 100 Hz to 1 MHz. The dielectric constant of CNT was in the range of 3.5 to 243.7 whereas the dielectric constant of BaTiO3 was 3.5 to 33.7 at 1 kHz. Meanwhile the dielectric loss of MWCNT was 0.009 to 6.83 while dielectric loss of BaTiO3 was 0.009 to 0.016 at 1 kHz. In general, it was found that MWCNT filler provide high dielectric constant value compare to BaTiO3 this is because MWCNT is more conductive than BaTiO3. However MWCNT/epoxy composites exhibit higher dielectric loss compare to BaTiO3/epoxy composites.
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