Magnetic properties and magnetoresistance effect of SnFe2O4 spinel nanoparticles: Experimental, ab initio and Monte Carlo simulation
| Autor: | Omar Mounkachi, Abdelilah Benyoussef, E.K. Hlil, Hamid Ez-Zahraouy, M. Hamedoun, M. Ait Ali, L. Fkhar, Elmehdi Salmani, A. El hat, R. Lamouri |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Materials science
Magnetoresistance Condensed matter physics Scanning electron microscope Process Chemistry and Technology Nanoparticle Surfaces Coatings and Films Electronic Optical and Magnetic Materials law.invention SQUID Hysteresis Transmission electron microscopy law Materials Chemistry Ceramics and Composites Ferrite (magnet) Density functional theory |
| Zdroj: | Ceramics International. 47:31886-31893 |
| ISSN: | 0272-8842 |
| Popis: | In this contribution, SnFe2O4 nanoparticles were prepared by the solvothermal method, the structural properties were performed using X-Ray Diffraction (DRX) to prove the success of tin ferrite formation and to determine de crystals parameters. The size and morphological study were build using Scanning Electron Microscopy (SEM) and Transmission Electron microscopy (TEM), the results showed that the size of particles is uniform with a range of particles (5–7 nm). The magnetic properties were carried out using the SQUID device, the SnFe2O4 nanoparticles have a magnetic transition at 750 K. In addition, the hysteresis loops at low temperature displayed Ms and Mr equals to 23 emu/g and 6 emu/g, respectively. The magnetoresistance properties were investigated, the SnFe2O4 nanoparticles present a large magnetoresistance effect (80%). The experimental results are supplemented by model calculations utilizing density functional theory and Monte-Carlo simulations. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect