| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1801877 | Journal of Magnetism and Magnetic Materials | 2009 | 4 Pages |
Abstract
A phenomenological model for explaining the magnetic properties of MnAs nanocrystals embedded in GaAs is proposed. It is shown that experimental data of DC magnetization as a function of temperature, obtained according to zero-field-cooled and field-cooled protocols, can be understood assuming a transition of the system from a low temperature state in which very slow dynamics is observed (frozen state) to a high-temperature state in which dynamics is fast (quasi superparamagnetic state).
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Condensed Matter Physics
Authors
A. Kwiatkowski, D. Wasik, P. DÅużewski, J. Borysiuk, M. KamiÅska, A. Twardowski, J. Sadowski,