Orientational transitions in four-row magnetic-dipole lattices

被引：0
作者：
A. M. Shutyi
机构：
[1] Ulyanovsk State University,
来源：
The Physics of Metals and Metallography | 2014年 / 115卷
关键词：
lattice of magnetic dipoles; orientational transition; intersection of dipole lattices; controlling orientational-transition front;
D O I：
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中图分类号：
学科分类号：
摘要：
Square lattices with four rows of dipoles have been considered. It has been shown that, if there are several stable equilibrium configurations, an external field excites transitions that change the direction of the dipole moments of one of the lattice rows. Orientational transitions in the structure that consists of intersecting perpendicular lattices have been studied. It has been found that the front of the orientational transition that results in a configuration with rows having alternating directions passes through the region of the intersection of the lattices into the other part of the lattice. The front of the other orientational transitions stops in the region of the intersection. The effect of an external field on certain dipoles located in the region of the intersection makes it possible to control the movement of the orientational-transition front; i.e., the front can be forced to pass through the region of the intersection in the initial direction; its direction can be changed, the configuration of the orientational transition can be changed or the front can be stopped in the region of the intersection.
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页码：1179 / 1185
页数：6
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  • [1] Skomski R(2003)Nanomagnetics J. Phys.: Condens. Matter 15 R841-R896
  • [2] Galkin A Yu(2006)Analogue of a spin flop phase transition for an array of magnetic moments with dipole interaction JETP Lett. 83 383-387
  • [3] Ivanov B A(2000)Collective effects in artificial two-dimensional lattices of ferromagnetic nanoparticles Phys.-Usp. 43 288-291
  • [4] Gusev S A(1993)Magnetic moments of iron clusters with 25 to 700 atoms and their dependence on temperature Phys. Rev. Lett. 71 4067-4070
  • [5] Nozdrin Yu N(2002)Preparation, structure, and properties of magnetic materials based on Cocontaining nanoparticles Inorg. Mater. 38 1085-1099
  • [6] Sapozhnikov M V(2001)Inhomogeneous states and the mechanism of magnetization reversal of a chain of classical dipoles Phys. Solid State 43 2115-2120
  • [7] Fraerman A A(2005)Magnetic nanoparticles: Preparation, structure and properties Russ. Chem. Rev. 74 489-520
  • [8] Billas I M L(2001)Chaos and self-organization in an open nonconservative system of two plane coplanar magnetized bodies with moments of inertia JETP Lett. 73 483-486
  • [9] Becker J A(2009)Regular and chaotic dynamics of a chain of magnetic dipoles with moments of inertia J. Exper. Theor. Phys. 108 880-889
  • [10] Chatelain A(2010)Equilibrium values and dynamics of the net magnetic moment of a system of magnetic dipoles J. Exper. Theor. Phys. 110 243-252
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