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Direct Imaging of Zero-Field Dipolar Structures in Colloidal Dispersions of Synthetic Magnetite
Abstract
Magnetite (Fe3O4) forms the basis of most dispersions studied in the field of magnetic fluids and magnetic colloids. Despite extensive theory and simulations on chain formation in dipolar fluids in zero field, such structures have not yet been imaged in laboratory-made magnetite dispersions. Here, we present the first direct observation of dipolar chain formation in zero field in a ferrofluid containing the largest synthetic single-domain magnetite particles studied so far. To our knowledge, this is the only ferrofluid system available at present that allows quantifying chain length and ring-size distributions of dipolar structures as a function of concentration and particle size.
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Cited by
Guardia, P., Di Corato, R., Lartigue, L., Wilhelm, C., Espinosa, A., Garcia-Hernandez, M., Gazeau, F., Manna, L., & Pellegrino, T. (2012) · ACS Nano · doi:10.1021/nn2048137 · Cited by 752
Solvothermal Synthesis and Characterization of Fe3O4 and γ-Fe2O3 Nanoplates
Lu, J., Jiao, X., Chen, D., & Li, W. (2009) · The Journal of Physical Chemistry C · doi:10.1021/jp810583e · Cited by 308
Metadata
- Authors
- Klokkenburg, M., Vonk, C., Claesson, E. M., Meeldijk, J. D., Erné, B. H., & Philipse, A. P.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-12-01
- Volume
- 126
- Issue
- 51
- Pages
- 16706-16707
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2017976745
- Cited by
- 216
- References
- 0
- FWCI
- 9.34
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Direct Imaging of Zero-Field Dipolar Structures in Colloidal Dispersions of Synthetic Magnetite. https://app.cochat.ai/papers/10.1021/ja0456252
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- Klokkenburg, M., Vonk, C., Claesson, E. M., Meeldijk, J. D., Erné, B. H., & Philipse, A. P. (2004). Direct Imaging of Zero-Field Dipolar Structures in Colloidal Dispersions of Synthetic Magnetite. Journal of the American Chemical Society. https://doi.org/10.1021/ja0456252
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