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        Maxwell–Wagner-type relaxation behavior through impedance spectral analysis of YMnO3 single crystal

        Midya Arindam,Mandal Bikash,Patra Moumita 한국물리학회 2023 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.83 No.5

        Single crystalline YMnO3 has been investigated through the temperature- dependent dielectric and conductivity analysis in between the temperature region 100 and 320 K with frequency range from 20 to 100 kHz. A distinct peak has been observed in temperature-dependent dielectric loss (tanδ) which has been shifted to higher temperature with frequency. The activation energy has been calculated as 0.44eV from peak shifting of tanδ. To explore the bulk and electrode contribution of the sample, impedance spectral analysis of the obtained dielectric data has been performed which suggests the presence of a Maxwell–Wagner-type interfacial effect in addition with intrinsic effect. It was found that the activation energy 0.44–0.46 eV obtained from the Arrhenius fit is similar to the value from the obtained parameter from the Nyquist plot.

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