Analysis of Structural and Magnetic Characteristics of Nickel Ferrite Nanoparticles Prepared by Hydrothermal Method

Journal of Advanced Materials in Engineering

F. Asjadi¹  R. Nayerhoda¹  M. Salimi¹  P. Seifi¹ 

[1] ;

关键词: magnetic nanoparticles;    nickel ferrite;    hydrothermal;    peg;   

DOI  :  

来源: DOAJ

【 摘 要 】

In the present investigation, spherical nanoparticles of nickel ferrite with uniform structure were successfully produced by hydrothermal method in the presence of polyethylene glycol (PEG) as a polymeric surfactant at 180°C for 12 hour aging time and the effects of the synthesis time, temperature and surfactant were investigated. According to the X-ray analysis, conversion of nickel oxide and hematite to nickel ferrite was a way to produce NiFe2O4. At 140‌°C, agglomerated particles without specific shape were formed, but at 180°C particles were homogenous with spherical shape. Saturation magnetization increased by increasing the hydrothermal process aging time.

【 授权许可】

Unknown