Abstract
Ni0.9Zn0.1CoO2 was prepared by conventional ceramic processing. X-ray diffraction analysis confirmed the spinel cubic structure of the sample. The dielectric constant and electrical resistance were measured at different temperatures and under different values of the applied magnetic field. The dielectric constant increases with the applied magnetic field while the electric resistance decreases. The studied material has a very high dielectric constant of 8.68 × 105 that increases with temperature due to the thermal activation of hole hopping between Co2+ ↔ Co3+ and Ni2+ ↔ Ni3+. The studied composition has potential for application as a sensor for detecting the intensity of electromagnetic waves.
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Said, M.Z. Electromagnetic Properties of Ni0.9Zn0.1CoO2 . J. Electron. Mater. 42, 151–155 (2013). https://doi.org/10.1007/s11664-012-2271-7
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DOI: https://doi.org/10.1007/s11664-012-2271-7