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Finite-size effects in fine particles: magnetic and transport properties
Abstract
Some of the most relevant finite-size and surface effects in the magnetic and transport properties of magnetic fine particles and granular solids are reviewed. The stability of the particle magnetization, superparamagnetic regime and the magnetic relaxation are discussed. New phenomena appearing due to interparticle interactions, such as the collective state and non-equilibrium dynamics, are presented. Surface anisotropy and disorder, spin-wave excitations, as well as the enhancements of the coercive field and particle magnetization are also reviewed. The competition of surface and finite-size effects to settle the magnetic behaviour is addressed. Finally, two of the most relevant phenomena in the transport properties of granular solids are summarized namely, giant magnetoresistance in granular heterogeneous alloys and Coulomb gap in insulating granular solids.
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Citations
Cited by
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Nogués, J., Sort, J., Langlais, V., Skumryev, V., Suriñach, S., Muñoz, J. S., & Baró, M. D. (2005) · Physics Reports · doi:10.1016/j.physrep.2005.08.004 · Cited by 1,925
Magnetic fluid hyperthermia: focus on superparamagnetic iron oxide nanoparticles
Laurent, S., Dutz, S., Häfeli, U. O., & Mahmoudi, M. (2011) · Advances in Colloid and Interface Science · doi:10.1016/j.cis.2011.04.003 · Cited by 1,326
Nanoparticulate Functional Materials
Goesmann, H., & Feldmann, C. (2010) · Angewandte Chemie International Edition · doi:10.1002/anie.200903053 · Cited by 733
Organic Phase Syntheses of Magnetic Nanoparticles and Their Applications
Wu, L., Mendoza-Garcia, A., Li, Q., & Sun, S. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00687 · Cited by 601
Metadata
- Authors
- Batlle, X., & Labarta, A.
- Venue
- Journal of Physics D: Applied Physics
- Publisher
- IOP Publishing
- Published
- 2002-03-21
- Volume
- 35
- Issue
- 6
- Pages
- 201
- ISSN
- 0022-3727 (ISSN-L)
- 1361-6463
- OpenAlex
- W2112500782
- Cited by
- 1,173
- References
- 0
- FWCI
- 23.57
- Type
- journal article
- Language
- en
- Open access
- closed
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