Two-dimensional arrangements of magnetic nanoparticles -: art. no. 064409

被引:40
作者
Ghazali, A [1 ]
Lévy, JC
机构
[1] Univ Paris 06, Phys Solides Grp, UMR 7588, CNRS, F-75251 Paris 05, France
[2] Univ Paris 07, Phys Solides Grp, UMR 7588, CNRS, F-75251 Paris 05, France
[3] Univ Paris 07, Lab Phys Theor Mat Condensee, EA 2382, F-75251 Paris 05, France
关键词
D O I
10.1103/PhysRevB.67.064409
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Arrangements of magnetic nanoparticles in a plane interacting through hard core repulsion and magnetic dipole-dipole interaction are deduced from Monte Carlo relaxations. At low density, magnetic particles are arranged in sinuous lines and rings, while at higher densities lines of magnetic moments aggregate in spirals and vortices. An in-plane magnetic field tends to make lines parallel to the field and to break rings, while a perpendicular-to-the-plane field tends to arrange the particles in a glassy state.
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页数:5
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