Journal
PHYSICA SCRIPTA
Volume 96, Issue 12, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1402-4896/ac2087
Keywords
NiFe2O4@MgFe2O4; ZnFe2O4@MgFe2O4; Core-Shell; dielectric properties; magnetic susceptibility
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This study discusses the experimental results of the electrical and magnetic properties of NiF@MgF and ZnF@MgF, showing their varying conductive and magnetic behaviors at different temperatures with potential applications in electronic devices.
This work discusses the experimental results of the electrical and magnetic properties of the core-shell NiFe2O4@MgFe2O4 (NiF@MgF), and ZnFe2O4@MgFe2O4 (ZnF@MgF). The conductivity behavior showed semiconductor-metallic behavior, which varies between NSPT, OSPT, and CBH models depending on the temperatures and the frequencies. In addition, the dielectric showed that a mutual effect between the core and the shell materials, which increases the polarization of the space charge. From this point of view, the nanocomposites show conductive or semiconductor behavior depending on temperature, so they have the potential in many electronic devices application. The magnetization M(T) with the Faraday balance method indicates a good magnetic property of the ZnF@MgF sample. Moreover, the effective magnetic moment (mu (Eff)) and the Curie-Weiss constant (theta) were obtained from the protocols chi (T).
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