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    Determination of the effects of the production process for the calcite doped hydrogels on electronic circuit applications
    (Elsevier, 2021) Yalcin, O.; Ozturk, M.; Okutan, M.; CoSkun, R.; Oncan, M.
    The effects of the production process on the dielectric, optical, conductivity, structural and morphological properties of calcite doped hydrogels were investigated in this study. For this purpose, the X-ray diffraction, scanning electron microscope, non-destructive energy dispersive X-ray, dielectric and UV-Vis spectroscopy of Calcite I and Calcite II samples synthesized by different production processes were performed in the special ranges. The dielectric characteristic of the both samples were found to behave in compatible with the MaxwellWagner theory associated with the electrode and interface polarization in the low frequency region. In the high frequency region, it was determined that the effect of the Koop's theory and the Brownian motion on the conductivity mechanism of calcite I and calcite II. It was found that the calcite II sample with high capacitive property had high conductivity values in the entire frequency range. It was observed that the Log sigma ac values defined by the Correlated Barrier Hoping mechanism and the Super Linear Power Law conductivity mechanisms of the Calcite II sample with high capacitive properties was taken high in the entire frequency range. The quantum confinement and the Fermi-Dirac dispersion effects of the calcite molecules were thought to have an effect on the determination of the optical energy gaps (Eg) of samples. It was determined that the plane plots of the complex electric modulus for the Calcite I and Calcite II samples, which were compatible with the DavidsonCole and the Havriliak-Negami relaxation models, respectively, corresponded to different equivalent RC circuits. Based on these results, it was found that the production process of the calcite-doped hydrogels is extremely important on the electronic circuit applications.