Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5491192 | Journal of Magnetism and Magnetic Materials | 2017 | 4 Pages |
Abstract
In this work, the synthesis of MnxGa1âxFe2O4 (x=0-1) nanosized particles by thermal decomposition method, using tetraethylene glycol (TEG) as a reaction medium, has been performed. The crystalline structure of the inverse spinel obtained in all the cases was identified by X-ray diffraction (XRD). Vibration sample magnetometry (VSM) was used to evaluate the magnetic properties of ferrites and to demonstrate their superparamagnetic behavior and the increase of magnetization values due to the Mn2+ ions incorporation into the FeGa2O4 structure. Transmission electron microscopy, energy dispersive spectroscopy (TEM-EDS) and X-ray photoelectron spectroscopy (XPS) were used to characterize the obtained magnetic nanoparticles (MNPs). These MNPs showed a near spherical morphology, an average particle size of 5.6±1.5 nm and a TEG coating layer on their surface. In all the cases MNPs showed no response when submitted to an alternating magnetic field (AMF, 10.2 kA/m, 354 kHz) using magnetic induction tests. These results suggest that the synthesized nanoparticles can be potential candidates for their use in biomedical areas.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
Javier Sánchez, Dora Alicia Cortés-Hernández, José Concepción Escobedo-Bocardo, José Manuel Almanza-Robles, Pamela Yajaira Reyes-RodrÃguez, Rosario Argentina Jasso-Terán, Pascual Bartolo-Pérez, Laura Elena De-León-Prado,