Synthesis of MnZn ferrite nanoscale particles by hydrothermal method

Abstract

Hydrothermal method was used to synthesize nanoscale particles of MnZn ferrites. The crystallites were characterized by XRD, TEM and SEM. The effects of the reaction time, temperature and additives on the product were investigated. Crystallization process would be carried out above 160 °C for 5 h or more, higher temperature can reduce the reaction time. Additives were used to remove impurities such as Fe₂O₃, ZnMnO₃. 10–15 nm pure slightly agglomerated MnZn ferrite crystallites with a narrow grain size distribution were obtained.

Keywords

hydrothermal method / MnZn ferrite / nanoscale particles / additives

References

[1] ZengerManfred. Modern ferrite technologies and products[J]. J of Materials and Product Technology, 1994, 9(4–6): 265-280

[2] LiX Y, FengL B, LuG X, et al.. Preparation and characterization of nanocrystalline ZnFe₂O₄ particles and EPR study on their properties [J]. Chemical J of Chinese Universities, 1995, 10: 1495-1499(in Chinese)

[3] WangX H, LiD, LuL D, et al.. Synthesis of substituted M- and W-type barium ferrite nano-structured powders by stearic acid gel method [J]. J of Alloys and Compounds, 1996, 237: 45-48

[4] WangJ, ChongP F, NgS C, et al.. Microemulsion processing of manganese zinc ferrites[J]. Materials Letters, 1997, 30: 217-221