Effects of the random field on the magnetic behavior of a nanoparticle with core/shell morphology

被引：3
|
作者：
Zaim, A. [1 ]
Kerouad, M. [1 ]
Boughrara, M. [1 ]
机构：
[1] Univ Moulay Ismail, Fac Sci, Lab Phys Mat & Modelisat Syst LP2MS, Unite Associee,CNRST,URAC 08, BP 11201, Zitoune, Meknes, Morocco
来源：
EMM-FM2011 - FIRST EURO MEDITERRANEAN MEETING ON FUNCTIONALIZED MATERIALS | 2012年 / 29卷
关键词：
D O I：
10.1051/epjconf/20122900035
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
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页数：6
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