Journal
ULTRASONICS SONOCHEMISTRY
Volume 18, Issue 5, Pages 1038-1042Publisher
ELSEVIER
DOI: 10.1016/j.ultsonch.2010.12.008
Keywords
Magnetite; Two-dimensional; Nanoplate; Ultrasonic irradiation; Magnetic property
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Funding
- Public-benefit Foundation of Science and Technology Department of Zhejiang Province [2010C31112]
- Natural Science Foundation of Zhejiang Province [Y4080129]
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Two-dimensional plate-like Fe3O4 nanocrystals were synthesized by a facile method using ultrasonic irradiation in aqueous solution at low temperature without protection from oxygen. The crystals were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, X-ray photoelectron spectroscopy, and Fourier Transform infrared spectroscopy. The products subjected to ultrasound showed a two-dimensional morphology. The results obtained indicate that the morphologies of the magnetite crystals depend more on the ultrasonic irradiation than on the growth temperature. The thickness and width of the crystals increased with increasing temperature of the reaction medium. In addition, the magnetic hysteresis loop of the magnetite nanoplates was obtained at room temperature. (C) 2010 Elsevier B.V. All rights reserved.
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