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Dipole interactions with random anisotropy in a frozen ferrofluid
Abstract
Glassy behavior (including hysteresis, irreversibility, a peak in the zero-field-cooled magnetization, and nonexponential relaxation) is observed in a quenched ferrofluid system consisting of 50-\AA{} magnetite particles. An Arrott plot, ${\mathit{M}}^{2}$ versus H/M, shows clear features of random anisotropy similar to what is found in amorphous ferromagnets. We discuss the glassy behavior in terms of both the random anisotropy and the dipole interactions, and we constrast the unusual response of our system with canonical spin glasses.
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Cited by
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Novel magnetic nanomaterials inspired by magnetotactic bacteria: Topical review
Prozorov, T., Bazylinski, D. A., Mallapragada, S. K., & Prozorov, R. (2013) · Materials Science and Engineering: R: Reports · doi:10.1016/j.mser.2013.04.002 · Cited by 137
Synthesis and characterization of magnetite nanoparticles coated with lauric acid
Mamani, J. B., Costa-Filho, A. J., Cornejo, D. R., Vieira, E. D., & Gamarra, L. F. (2013) · Materials Characterization · doi:10.1016/j.matchar.2013.04.001 · Cited by 116
Metadata
- Authors
- Luo, W., Nagel, S. R., Rosenbaum, T. F., & Rosensweig, R. E.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1991-11-04
- Volume
- 67
- Issue
- 19
- Pages
- 2721-2724
- ISSN
- 0031-9007 (ISSN-L)
- OpenAlex
- W2045848189
- Cited by
- 447
- References
- 0
- FWCI
- 7.23
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Dipole interactions with random anisotropy in a frozen ferrofluid. https://app.cochat.ai/papers/10.1103/physrevlett.67.2721
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- Luo, W., Nagel, S. R., Rosenbaum, T. F., & Rosensweig, R. E. (1991). Dipole interactions with random anisotropy in a frozen ferrofluid. Physical Review Letters. https://doi.org/10.1103/physrevlett.67.2721
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