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Citation: AI Lun-Hong, JIANG Jing. Low-temperature Synthesis,Spectral Characterization and Magnetic Properties of CoFe₂O₄ Nanocrystals[J]. Chinese Journal of Applied Chemistry, ;2010, 27(1): 78-81. shu

Low-temperature Synthesis,Spectral Characterization and Magnetic Properties of CoFe₂O₄ Nanocrystals

AI Lun-Hong ,
JIANG Jing

1.
College of Chemistry and Chemical Engineering, Laboratory of Applied Chemistry and Pollution Control Technology, China West Normal University, Nanchong 637002

Received Date: 30 December 2008
Available Online: 15 March 2009
Fund Project: 西华师范大学科研启动基金(07B005) 资助项目 (07B005)

CoFe₂O₄ nanocrystals were prepared by means of a low temperature refluxing method with CTAB as templet,Fe(NO₃)₃·9H₂O and Co(NO₃)₂·6H₂O as precursors,NaOH as precipitator.The as-prepared products were characterized by X-ray diffraction,transmission electron microscopy,infrared and Raman spectroscopies.The room temperature magnetic properties were determined by means of vibrating sample magnetometer.The results show that CoFe₂O₄ has a single-phase spinel structure.The average particle size was in a range of 15~20 nm.CoFe₂O₄ exhibited a clearly magnetic hysteretic behavior under applied magnetic field at room temperature.The values of variation of saturation magnetization(M_S) and coercivity(H_C) were 36.5 A·m²/kg and 5.89×10⁴ A/m,respectively.
- CoFe₂O₄,
- low-temperature synthesis,
- infrared spectroscopy,
- Raman spectroscopy,
- magnetic property
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Low-temperature Synthesis,Spectral Characterization and Magnetic Properties of CoFe₂O₄ Nanocrystals