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Synthesis and Characterization of Iron/Iron Oxide Core/Shell Nanocubes
Open accessAbstract
A simple method for the preparation of iron/iron oxide nanoparticles with core/shell cubic morphology is presented. The synthesis of the nanocubes was carried out through decomposition of a preformed iron oleate complex at high temperature. Although this procedure has been shown previously to produce monodisperse magnetite spheres,[1] the use of squalene as a solvent and the presence of sodium oleate was found to induce cube formation. A detailed high‐resolution transmission electron microscopy (HRTEM) analysis of the nanocubes was performed for structural characterization. The core/shell structure, an iron core surrounded by magnetite (Fe 3 O 4) shell, was confirmed by fast Fourier transform (FFT) filtering analysis. The results obtained by HRTEM analysis are in agreement with X‐ray Photoelectron Spectroscopy (XPS) and magnetic analysis. The Fe nanocubes are superparamagnetic at room temperature with a saturation magnetization MS = 101 A m 2 kg–1 and magnetic anisotropy density Keff = 1.6 × 10 5 J m–3 at low temperatures.
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Cites
Ultra-large-scale syntheses of monodisperse nanocrystals
Park, J., An, K., Hwang, Y., Park, J.-G., Noh, H.-J., Kim, J.-Y., Park, J.-H., Hwang, N.-M., & Hyeon, T. (2004) · Nature Materials · doi:10.1038/nmat1251 · Cited by 4,076
Shape-Controlled Synthesis and Shape-Induced Texture of MnFe 2 O 4 Nanoparticles
Zeng, H., Rice, P. M., Wang, S. X., & Sun, S. (2004) · Journal of the American Chemical Society · doi:10.1021/ja045911d · Cited by 369
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Laminated magnetic graphene with enhanced electromagnetic wave absorption properties
Sun, X., He, J., Li, G., Tang, J., Wang, T., Guo, Y., & Xue, H. (2013) · J. Mater. Chem. C · doi:10.1039/c2tc00159d · Cited by 771
The Heat-Up Synthesis of Colloidal Nanocrystals
van Embden, J., Chesman, A. S. R., & Jasieniak, J. J. (2015) · Chemistry of Materials · doi:10.1021/cm5028964 · Cited by 414
Zhou, Z., Sun, Y., Shen, J., Wei, J., Yu, C., Kong, B., Liu, W., Yang, H., Yang, S., & Wang, W. (2014) · Biomaterials · doi:10.1016/j.biomaterials.2014.04.063 · Cited by 305
Metadata
- Authors
- Shavel, A., Rodríguez‐González, B., Spasova, M., Farle, M., & Liz‐Marzán, L. M.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2007-11-26
- Volume
- 17
- Issue
- 18
- Pages
- 3870-3876
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2069365581
- Cited by
- 240
- References
- 2
- FWCI
- 6.95
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Shavel, A., Rodríguez‐González, B., Spasova, M., Farle, M., & Liz‐Marzán, L. M. (2007). Synthesis and Characterization of Iron/Iron Oxide Core/Shell Nanocubes. Advanced Functional Materials. https://doi.org/10.1002/adfm.200700494
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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