Structural and Dielectric Properties of Strontium Ferrite Doped Polyaniline Composite
Abstract
Polyaniline (PANI)/Strontium Ferrite (SrFe) composite samples with various dopant percentages of SrFe were synthesized at a temperature of about 0 – 50 C in a freezing mixture to prevent the warming in situ chemical oxidative polymerization method. The X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques were used to characterise the structure of prepared samples and to assess the doping effect of SrFe. The creation polyaniline is confirmed by the X-ray pattern, and the composites were more strongly orientated and their amorphous character vanished as the SrFe percentage grew and SEM study shows that SrFe particles have a significant impact on the morphology of composites with average grain size of 2-5 µm. The dielectric properties of the prepared samples were done by plotting graph of dielectric constant (ϵ) vs logf which shown fall of ϵ with logf indicating semiconductor like behavior of the prepared Polyaniline (PANI)/Strontium Ferrite (SrFe) composite samples.
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