PVA assisted coprecipitation synthesis and characterization of MgFe 2 O 4 nanoparticles
Source abstract
Abstract
Abstract Single phase magnesium ferrite (MgFe 2 O 4 ) nanoparticles were prepared by the coprecipitation method followed by calcination at 700 °C for 1 h. The effects of polyvinyl alcohol (PVA) agent on the structural, microstructure, magnetic properties and AC magnetically induced heating characteristics of MgFe 2 O 4 nanoparticles were investigated. The structure and cation distributions investigated by X-ray diffraction method showed single phase MgFe 2 O 4 powders had partially inverse spinel structure in which the inversion coefficient increased by adding more PVA. The small particle size and narrow size distribution of the coprecipitated MgFe 2 O 4 powders characterized by scanning electron microscopy were achieved using PVA agent. Magnetic properties of MgFe 2 O 4 nanoparticles studied by vibrating sample magnetometry showed ferrimagnetic characteristics with the highest saturation magnetization and coercivity of 24.6 emu/g and 17 Oe, respectively. The coprecipitated MgFe 2 O 4 nanoparticles assisted by PVA exhibited the lower AC heating temperature of 5.6 °C and specific loss power of 2.4 W/g in comparison with 6.1 °C and 2.7 W/g for the powders coprecipitated without using PVA.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Magnetic Properties and Synthesis of Ferrites · Characterization and Applications of Magnetic Nanoparticles · Iron oxide chemistry and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (47)
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