Effect of Thermal Treatment on the Structure, Microstructure and Magnetic Properties of Co-precipitated CoFe2O4 Nanoparticles

被引：0

作者：

Al-Rashidi, Zainab ^{[1
]}

Khmissi, Hammadi ^{[1
]}

El-Ghoul, Jaber ^{[2
]}

Ben Tahar, Lotfi ^{[3
]}

机构：

[1] Northern Border Univ, Coll Sci, Dept Phys, Ar Ar, Saudi Arabia

[2] Imam Mohammad Ibn Saud Islamic Univ IMSIU, Coll Sci, Dept Phys, Riyadh 11623, Saudi Arabia

[3] Northern Border Univ, Coll Sci, Dept Chem, Ar Ar, Saudi Arabia

来源：

SEMICONDUCTORS | 2024年 / 58卷 / 08期

关键词：

cobalt ferrite; nanoparticles; thermal treatment; cation's distribution; magnetic properties; FERRITE NANOPARTICLES; PARTICLE-SIZE; TEMPERATURE; WATER; SPECTRA; SPINELS; DESIGN;

D O I：

10.1134/S1063782624601493

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

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 similar to 15 to similar to 35 nm in the temperature range 400-800 degrees C. Magnetic measurements revealed that both saturation magnetization (M-s) and coercivity field (H-c) 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.

引用

页码：620 / 630

页数：11

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