| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 9834255 | Journal of Magnetism and Magnetic Materials | 2005 | 4 Pages |
Abstract
The structure and magnetic properties of two systems of Fe-nanoparticles have been studied: (i) aerosol particles produced by a fast evaporation method and (ii) as-prepared particles dispersed in a silica aerogel matrix. The magnetic behavior of both samples is dominated by the long-range dipolar interparticle interactions but the confinement of Fe particle agglomerates in silica pores results in an enhancement of thermal fluctuation effects leading to a reduction of the remanence and coercivity.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
K. Racka, M. Gich, A. Ålawska-Waniewska, A. Roig, E. Molins,