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<p>In this research, cobalt ferrite (CoFe<sub>2</sub>O<sub>4</sub>) nanoparticles were synthesized via the thermal decomposition method, and their magnetic hyperthermia performance was evaluated under high strength alternating magnetic fields. The structural, morphological, and magnetic properties of the nanoparticles were characterized using X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and vibrating sample magnetometer (VSM). The specific absorption rate (SAR) values of CoFe<sub>2</sub>O<sub>4</sub> nanoparticles (S1, S2, and S3) increased with increasing magnetic field strength. At a magnetic field of 400 Oe and a frequency of 300 kHz, the maximum specific absorption rate (SAR) values recorded were 334.48, 362.35, and 1003.44 W/g for samples S1, S2, and S3, respectively. Notably, sample S3 exhibited the highest specific absorption rate values at both (400 Oe, 300 kHz) and (300 Oe, 400 kHz) compared to the other samples.</p>

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Preparation of functional CoFe2O4 nanoparticles via high temperature decomposition for magnetic hyperthermia application

  • 期刊论文

  • 发表日期：

    2026年1月8日

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  • Ameer F. Shamkhi,
  • Hashim Jabbar

摘要

In this research, cobalt ferrite (CoFe2O4) nanoparticles were synthesized via the thermal decomposition method, and their magnetic hyperthermia performance was evaluated under high strength alternating magnetic fields. The structural, morphological, and magnetic properties of the nanoparticles were characterized using X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and vibrating sample magnetometer (VSM). The specific absorption rate (SAR) values of CoFe2O4 nanoparticles (S1, S2, and S3) increased with increasing magnetic field strength. At a magnetic field of 400 Oe and a frequency of 300 kHz, the maximum specific absorption rate (SAR) values recorded were 334.48, 362.35, and 1003.44 W/g for samples S1, S2, and S3, respectively. Notably, sample S3 exhibited the highest specific absorption rate values at both (400 Oe, 300 kHz) and (300 Oe, 400 kHz) compared to the other samples.