Abstract
The magnetite nanoparticles were synthesized in an ethanol-water solution under ultrasonic irradiation from a Fe(OH)2 precipitate. XRD, TEM, TG, IR, VSM and UV/vis absorption spectrum were used to characterize the magnetite nanoparticles. It was found that the formation of magnetite was accelerated in ethanol-water solution in the presence of ultrasonic irradiation, whereas, it was limited in ethanol-water solution under mechanical stirring. The monodispersibility of magnetite particles was improved significantly through the sonochemical synthesis in ethanol-water solution. The magnetic properties were improved for the samples synthesized under ultrasonic irradiation. This would be attributed to high Fe2+ concentration in the magnetite cubic structure.
| Original language | English |
|---|---|
| Pages (from-to) | 649-654 |
| Number of pages | 6 |
| Journal | Ultrasonics Sonochemistry |
| Volume | 16 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - Jun 2009 |
All Science Journal Classification (ASJC) codes
- Chemical Engineering (miscellaneous)
- Environmental Chemistry
- Radiology Nuclear Medicine and imaging
- Acoustics and Ultrasonics
- Organic Chemistry
- Inorganic Chemistry
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