EPJ Web of Conferences
Volume 29, 2012EMM-FM2011 – First Euro Mediterranean Meeting on Functionalized Materials
|Number of page(s)||6|
|Published online||18 June 2012|
Effects of the random field on the magnetic behavior of a nanoparticle with core/shell morphology
Laboratoire Physique des Matériaux et Modélisation des Systèmes (LP2MS), Unité Associée au CNRST-URAC: 08, Faculty of Sciences, University Moulay Ismail, B.P. 11201 Zitoune, Meknes, Morocco
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We have used the effective field theory based on probability distribution method to investigate the hysteresis behavior of a magnetic nanoparticle with core/shell morphology in a random field. The hysteresis curves are obtained for different values of the random field and the temperature. We find a number of characteristic behaviors, such as the existence of double hysteresis loops for appropriate values of the system parameters. The remanent magnetization and the coercive field as a function of the temperature are examined.
© Owned by the authors, published by EDP Sciences, 2012
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