| Autor: |
Al-Rashidi, Zainab, Khmissi, Hammadi, El-Ghoul, Jaber, Ben Tahar, Lotfi |
| Zdroj: |
Semiconductors; Aug2024, Vol. 58 Issue 8, p620-630, 11p |
| Abstrakt: |
The exceptional chemical and structural stability and the fascinating magnetization effects of Cobalt ferrite, make it a promising candidate for various applications. In this paper, Cobalt ferrite (CoFe2O4) nanoparticles were synthesized by the chemical co-precipitation method and subsequently heat-treated at various temperatures. The elemental chemical composition, structure, morphology, and magnetic properties of the as-prepared cobalt ferrite nanoparticles and those obtained by heat-treating the former at different temperatures were characterized by energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), Fourier transforms infrared analysis (FTIR), transmission electron microscopy (TEM) and vibrating sample magnetometry (VSM). All samples had a cubic spinal-type structure. The average particles size increased with heat treatment temperature; It ranged from ~15 to ~35 nm in the temperature range 400–800°C. Magnetic measurements revealed that both saturation magnetization (Ms) and coercivity field (Hc) are reasonably high and were found to increase with increasing temperature. The magnetic behavior of our ferrites was correlated with the XRD and the TEM results. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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