Abstract
In this paper, the synthesis of spinel magnesium ferrite (MgFe2O4) nanoparticles is reported, along with its structural, magnetic and hyperthermic properties, which ensure them being effectively used in various fields. Firstly, magnesium ferrite was synthesized via sol-gel auto-combustion method, using honey as the reducing agent. The crystallite size was calculated via the Scherrer method, the modified Scherrer method, the Williamson-Hall method, and the size-strain plot (SSP) method. X-ray analysis was used to confirm the structure of the spinel. For morphological study of ferrite nanoparticles, scanning electron microscopy (SEM) was used. Finally, hyperthermic properties of magnesium ferrite were analyzed for potential usage in medicine. According to these results, spinel magnesium ferrite (MgFe2O4) nanoparticles proved to be suitable for destruction of cancer cells, as they can be heated to the desired temperature, which will increase the sensitivity of those cells.
Highlights
Spinels are being actively studied and are not losing popularity among scientists
Depending on the structure, cationic composition, morphology of the particles – ferrites are characterized by optical, magnetic, adsorption and catalytic properties, which provide them with a wide range of applications in different fields [3, 4]
Numerous studies see spinel nanoparticles being used for wastewater treatment because they are suitable for the removal of various contaminants, highly stable, and can be reused several times without losing their properties [3, 6]
Summary
Spinels are being actively studied and are not losing popularity among scientists. The term “spinel” characterizes a cubic structure with the general formula AB2O4, where ions A form a tetrahedral (8 ions A) and ions B – octahedral (16 ions B) sublattices. The distribution of cations on the sublattices forms three types of spinel structures – normal, inverse and mixed, which affect the properties of nanomaterials [2]. Depending on the structure, cationic composition, morphology of the particles – ferrites are characterized by optical, magnetic, adsorption and catalytic properties, which provide them with a wide range of applications in different fields [3, 4]. Due to their functional characteristics, spinels have been studied for various biomedical and medical applications, including cancer hyperthermia and magnetic resonance imaging [5]. The widespread use of spinels leads to a more detailed study of individual representatives of ferrites, such as MgFe2O4, ZnFe2O4, NiFe2O4, MnFe2O4, CoFe2O4 et cetera [7]
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