Abstract
A new approach through heat treatment has been attempted by establishing defects by the process of quenching towards electrical and magnetic properties in the nickel zinc ferrite (Ni0.5Zn0.5Fe2O4) sample. The measured property values in permeability and hysteresis characteristic gave their recovery behaviour in which the values, after quenching were recovered after undergoing the annealing. Interestingly, a different trend observed in the permittivity value whereas the value was increased after quenching and subsequently recovered after annealing. The mechanisms which produced the changes is believed to be involved by defects in the form of vacancies, interstitials, microcracks and dislocations created during quenching which gave rise to changes in the values of the complex permeability and permittivity components and hysteresis behaviour.
Highlights
A new approach through heat treatment has been attempted by establishing defects by the process of quenching towards electrical and magnetic properties in the nickel zinc ferrite (Ni0.5Zn0.5Fe2O4) sample
The extensive use of Ni0.5Zn0.5Fe2O4 and the general knowledge of their physical properties mainly contributed by their preparation condition have inspired us to investigate the heat treatment effect on complex permeability and permittivity along with hysteresis behavior in nickel zinc ferrite
The empirical recovery behavior in permeability, hysteresis characteristics and permittivity with respect to the heat treatment sequence in Ni0.5Zn0.5Fe2O4 sample was discovered after each sequence of sample sintering, quenching and annealing respectively
Summary
A new approach through heat treatment has been attempted by establishing defects by the process of quenching towards electrical and magnetic properties in the nickel zinc ferrite (Ni0.5Zn0.5Fe2O4) sample. As for in electronic application, devices based on polycrystalline N i0.5Zn0.5Fe2O4 have been comprehensively applied due to their remarkable high resistivity, chemical stability, mechanical hardness and its high permeability v alue[20]. Microstructure elements such as grain size, grain boundary and pores were known to be highly impacted on the magnetic and electrical properties in N i0.5Zn0.5Fe2O4 through the chosen synthesis process[21]. The extensive use of Ni0.5Zn0.5Fe2O4 and the general knowledge of their physical properties mainly contributed by their preparation condition have inspired us to investigate the heat treatment effect on complex permeability and permittivity along with hysteresis behavior in nickel zinc ferrite. The effect of the process was carried out by using only one sample subjected to multiple heat treatment process such as sintering, quenching and annealing
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