Monte Carlo simulation study of magnetic behaviour of core-shell bimetallic nanoparticles

被引：8
|
作者：
Crisan, O [1 ]
Tornau, EE [1 ]
Petrauskas, V [1 ]
Angelakeris, M [1 ]
机构：
[1] Natl Inst Mat Phys, RO-76900 Bucharest, Romania
来源：
SECOND SEEHEIM CONFERENCE ON MAGNETISM, PROCEEDINGS | 2004年
关键词：
D O I：
10.1002/pssc.200405549
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magnetic properties of core-shell-type nanoparticles with non-magnetic core and ferromagnetic shell are modeled using Monte Carlo simulation. The influence of the surface spin disorder on the magnetization and Curie temperature of magnetic states is studied. Due to competition between exchange coupling and surface anisotropy, rotation of the magnetization axis is observed, as the surface anisotropy of the ferromagnetic shell is increased. It is shown that the exchange coupling at the core-shell interface can influence the shape of the temperature dependence of total magnetization. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：3760 / 3763
页数：4
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