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Electrical properties of Y-type hexaferrite
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作者 Bibhuti B.Sahu S.K.Patri +1 位作者 banarji beheray B.Maharanay 《Journal of Advanced Dielectrics》 CAS 2018年第3期88-95,共8页
The polycrystalline sample of Ba_(2)Mg_(2)Fe_(12)O_(22) was prepared by solid-state reaction technique.Room-temperature X-ray diffraction(XRD)has confirmed the formation of rhombohedral structure.The electrical proper... The polycrystalline sample of Ba_(2)Mg_(2)Fe_(12)O_(22) was prepared by solid-state reaction technique.Room-temperature X-ray diffraction(XRD)has confirmed the formation of rhombohedral structure.The electrical properties of the sample were studied in wide ranges of temperatures and frequencies.The impedance analysis indicates the presence of bulk effect.The bulk resistance of the material decreases with rise in temperature and exhibits NTCR behavior.This compound also exhibits the temperature-dependent non-Debye type of relaxation phenomena.The presence of non-Debye type of relaxation has been confirmed by the complex impedance analysis.The variation of DC conductivity(bulk)with temperature demonstrates that the compound exhibits Arrhenius type of electrical conductivity.The activation energy of the compound is found to be 0.55 eV in high-temperature region. 展开更多
关键词 Solid-state reaction X-ray diffraction dielectric properties impedance properties electrical conductivity
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