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Superparamagnetism and Other Magnetic Features in Granular Materials: A Review on Ideal and Real Systems

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Abstract:

An overview on magnetic of nanostructured magnetic materials is presented, with particular emphasis on the basic features displayed by granular nanomagnetic solids. Besides a review of the basic concepts and experimental techniques, the role of structural disorder (mainly the distribution of grain sizes), interparticle magnetic interactions and surface effects are also discussed with some detail. Recent results, models and trends on the area are also discussed.

Keywords: DIPOLAR INTERACTIONS; MAGNETISM; NANOCRYSTALLINE SOLIDS; NANOMAGNETISM; SUPERPARAMAGNETISM

Document Type: Review Article

DOI: https://doi.org/10.1166/jnn.2008.017

Publication date: 2008-06-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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