Structural, Thermal, and Magnetic Characterization Analysis of Synthesized Fe₃O₄-Spinel Ferrite Nanoparticles

Abstract

Spinel ferrite nanoparticles are potential candidates for multiple biomedical applications. Spinel ferrite nanoparticles have been studied extensively for understanding physical, chemical, electro-optical as well as magnetic properties which are fascinating due to cationic distributions corresponding to tetrahedral sites and octahedral sites in a cubic phase. Biocompatibility and large magnetic moment are basic requirements in spinel ferrite nanoparticles for efficient functioning in specific application purpose. Fe3O4 (magnetite) is an important member of spinel ferrite group with high chemical stability and ferrimagetic material property at nanodimension. Superparamagnetic state and biocompatibility of magnetite (Fe3O4) spinel ferrite nanoparticle has already been proven. Spinel ferrite magnetite nanoparticles have been developed based on precipitation of iron oxide using ferric and ferrous ions at the ratio 2:1 in alkaline media at and above 100°C. The experimental parameters have been set to synthesize pure and uniformly sized magnetite nanoparticles. No other phases of iron oxides were detected other than magnetite spinel phase in the XRD result. The average crystal size has been determined from XRD peak broadening. Absorption spectra were investigated using UV-Vis Spectrometer and FTIR. Thermal and magnetic measurements were carried out Digital Scanning Calorimeter and SQUID Magnetometer. One sample of the prepared nanoparticles with polymer coating of polyvinyl alcohol has been studied for superparamagnetic nature. Superparamagnetic particles show saturation value of magnetization 51.26 emu/g at 100 K. ZFC-FC curves for two samples with polymer coating of polyvinyl alcohol and hydroxy-propyl methyl cellulose have also been studied. Keywords: Spinel Ferrite, Magnetite, Ferrimagnetism, Transition metal oxide, Superparamagnetism. Statements and declarations Competing Interests: The authors declare that there is no competing financial interest that are related directly or indirectly to the reported work in this paper. Conflict of interest: There is no conflict of interest. Acknowledgements The Authors are grateful to IISER Bhopal, CRF facility for providing instrumentation facility to characterize magnetic properties. We acknowledge thanks to Lovely Professional University for providing us necessary characterization technique for the XRD analysis and thermal analysis.

Impact of Choline Hydroxide-Supported Magnetic Nanoparticles on Peroxidase Activity and Conformational Stability of Cytochrome c

“…The reason behind the extensive study of Fe 3 O 4 NPs is their biocompatible nature, being chemically stable in nature, and considerable accumulation at the diseased site. , Fe 3 O 4 is a common ferrite with a cubic inverse spinal structure. It has distinctive magnetic properties because of movement of electrons between Fe 2+ and Fe 3+ ions . Moderately small size of the NPs (<100 nm), quality paramagnetic properties, suitable surface area, desired water dispersal, and, most importantly, the ease with which they can be functionalized are some of the important features of Fe 3 O 4 NPs. − In this regard, Dayyani et al synthesized MNPs using the coprecipitation method.…”

“…It has distinctive magnetic properties because of movement of electrons between Fe 2+ and Fe 3+ ions. 10 Moderately small size of the NPs (<100 nm), quality paramagnetic properties, suitable surface area, desired water dispersal, and, most importantly, the ease with which they can be functionalized are some of the important features of Fe 3 O 4 NPs. 11−13 In this regard, Dayyani et al 14 synthesized MNPs using the coprecipitation method.…”