Journal
MATERIALS SCIENCE-POLAND
Volume 31, Issue 4, Pages 577-580Publisher
SCIENDO
DOI: 10.2478/s13536-013-0141-5
Keywords
nanoparticles; magnetic materials; synthesis; FTIR; X-ray techniques
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Funding
- Shanxi Scholarship Council of China, P.R. China [2010-79]
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Maghemite (gamma-Fe2O3) nanoparticles were synthesized via a low-temperature solution-based method using ferric chloride hexahydrate and ferrous chloride tetrahydrate as precursors in the mixed solvent of ethanol and water. X-ray diffraction, energydispersive X-ray spectroscopy, and Fourier transform infrared spectroscopy revealed that the obtained product was pure gamma-Fe2O3. Transmission electron microscopy showed the morphology of the nanoparticles to be approximately spherical in shape with an average diameter of 11 nm. Magnetization measurements indicated the dry powders exhibit ferromagnetic behavior with a maximum saturation magnetization of 41.1 emu/g at room temperature.
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