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Interacting ferromagnetic nanoparticles in discontinuousCo80Fe20/Al2O3multilayers: From superspin glass to reentrant superferromagnetism
Abstract
Dipolar superferromagnetism with reentrant low-temperature superspin glass behavior is observed on a randomly distributed ferromagnetic nanoparticle systems in discontinuous metal-insulator multilayers $[{\mathrm{Co}}_{80}{\mathrm{Fe}}_{20}(t)/{\mathrm{Al}}_{2}{\mathrm{O}}_{3}(3\mathrm{}\mathrm{n}\mathrm{m}){]}_{10}$ with nominal thickness $1.1<~t<~1.3\mathrm{nm}$ by use of ac susceptometry and dc magnetometry. At $t=1.0\mathrm{nm},$ superspin glass-like freezing is evidenced by the criticality of dynamic and nonlinear susceptibilities.
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Citations
Cites
Thermal Fluctuations of a Single-Domain Particle
Brown, W. F. (1963) · Physical Review · doi:10.1103/physrev.130.1677 · Cited by 3,374
Cited by
Ordered magnetic nanostructures: fabrication and properties
Martı́n, J. I., Nogués, J., Liu, K., Vicent, J. L., & Schuller, I. K. (2003) · Journal of Magnetism and Magnetic Materials · doi:10.1016/s0304-8853(02)00898-3 · Cited by 889
Magnetic nanoparticles: recent advances in synthesis, self-assembly and applications
Singamaneni, S., Bliznyuk, V. N., Binek, C., & Tsymbal, E. Y. (2011) · Journal of Materials Chemistry · doi:10.1039/c1jm11845e · Cited by 537
Self-citationStable Biomimetic Super-Hydrophobic Engineering Materials
Guo, Z., Zhou, F., Hao, J., & Liu, W. (2005) · Journal of the American Chemical Society · doi:10.1021/ja0547836 · Cited by 498
Metadata
- Authors
- Kleemann, W., Petracic, O., Binek, C., Kakazei, G. N., Pogorelov, Y. G., Sousa, J. B., Cardoso, S., & Freitas, P. P.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2001-03-12
- Volume
- 63
- Issue
- 13
- ISSN
- 0163-1829 (ISSN-L)
- 1095-3795
- OpenAlex
- W2003742542
- Cited by
- 199
- References
- 1
- FWCI
- 7.07
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kleemann, W., Petracic, O., Binek, C., Kakazei, G. N., Pogorelov, Y. G., Sousa, J. B., Cardoso, S., & Freitas, P. P. (2001). Interacting ferromagnetic nanoparticles in discontinuousCo80Fe20/Al2O3multilayers: From superspin glass to reentrant superferromagnetism. Physical Review B. https://doi.org/10.1103/physrevb.63.134423
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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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