Dielectric characterization of NixCo1−xFe2O4 nanocrystals thin film over a broad frequency range (1 MHz–3 GHz)

Dielectric characterization of NixCo1−xFe2O4 nanocrystals thin film over a broad frequency range (1 MHz–3 GHz)

We have theoretically and experimentally investigated the dielectric behavior of NixCo1−xFe2O4 nanoparticles (NPs) (where x=0.0, 0.6, and 1.0), which have been synthesized by microwave induced combustion synthesis using urea as fuel. A variation of complex dielectric permittivity at room temperature...

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Veröffentlicht in:Journal of applied physics 2010-02, Vol.107 (4)
Hauptverfasser: Bayrakdar, Harun, Esmer, Kadir
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description We have theoretically and experimentally investigated the dielectric behavior of NixCo1−xFe2O4 nanoparticles (NPs) (where x=0.0, 0.6, and 1.0), which have been synthesized by microwave induced combustion synthesis using urea as fuel. A variation of complex dielectric permittivity at room temperature with frequency in the range 1 MHz–3 GHz has been studied. The permittivity displays atomic polarization and electronic polarization. Particles showed phase purity and crystallinity in powder x-ray diffraction (XRD) analysis. At the same time, NixCo1−xFe2O4 NPs demonstrated a spinel cubic structure from XRD results.
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title Dielectric characterization of NixCo1−xFe2O4 nanocrystals thin film over a broad frequency range (1 MHz–3 GHz)
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