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Electrochemical Synthesis for the Control of γ-Fe2O3 Nanoparticle Size. Morphology, Microstructure, and Magnetic Behavior
Abstract
The electrochemical synthesis of nanoparticles of γ-Fe 2 O 3 was performed in an organic medium. The size was directly controlled by the imposed current density, and the resulting particles were stabilized as a colloidal suspension by the use of cationic surfactants. The size distributions of the particles were narrow, with the average sizes varying from 3 to 8 nm. The amorphous character of the nanoparticles was clearly established by X-ray powder diffraction and TEM analysis. The microstructure of this phase could nevertheless be spectroscopically related to maghemite, γ-Fe 2 O 3 . 57 Fe Mossbauer spectroscopy and magnetization measurements indicated that the dry powders exhibit superparamagnetic behavior at room temperature.
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Cited by
Laurent, S., Forge, D., Port, M., Roch, A., Robic, C., Vander Elst, L., & Muller, R. N. (2008) · Chemical Reviews · doi:10.1021/cr068445e · Cited by 6,852
Magnetic iron oxide nanoparticles: synthesis and surface functionalization strategies
Wu, W., He, Q., & Jiang, C. (2008) · Nanoscale Research Letters · doi:10.1007/s11671-008-9174-9 · Cited by 2,300
Reddy, L. H., Arias, J. L., Nicolas, J., & Couvreur, P. (2012) · Chemical Reviews · doi:10.1021/cr300068p · Cited by 2,010
Wu, W., Wu, Z., Yu, T., Jiang, C., & Kim, W.-S. (2015) · Science and Technology of Advanced Materials · doi:10.1088/1468-6996/16/2/023501 · Cited by 1,574
Superparamagnetic iron oxide nanoparticles: from preparations to in vivo MRI applications
Qiao, R., Yang, C., & Gao, M. (2009) · Journal of Materials Chemistry · doi:10.1039/b902394a · Cited by 685
Metadata
- Authors
- Pascal, C., Pascal, J. L., Favier, F., Elidrissi Moubtassim, M. L., & Payen, C.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 1998-12-15
- Volume
- 11
- Issue
- 1
- Pages
- 141-147
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2015546193
- Cited by
- 339
- References
- 0
- FWCI
- 3.03
- Type
- journal article
- Language
- en
- Open access
- closed
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- Pascal, C., Pascal, J. L., Favier, F., Elidrissi Moubtassim, M. L., & Payen, C. (1999). Electrochemical Synthesis for the Control of γ-Fe2O3 Nanoparticle Size. Morphology, Microstructure, and Magnetic Behavior. Chemistry of Materials. https://doi.org/10.1021/cm980742f
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