Coupled dipole-exchange spin waves in arrays of interacting ferromagnetic nanowires

被引：5
|
作者：
Nguyen, T. M. [1 ]
Cottam, M. G. [1 ]
机构：
[1] Univ Western Ontario, Dept Phys & Astron, London, ON N6A 3K7, Canada
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2007年 / 310卷 / 02期
关键词：
spin wave; dipole exchange; ferromagnet; nanowire array;
D O I：
10.1016/j.jmmm.2006.10.904
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spin waves in arrays of interacting ferromagnetic nanowires are studied theoretically using a microscopic Hamiltonian-based approach. The dependence of these modes on a magnetic field applied transverse to the wires and on the spacing between wires are investigated. Numerical results are presented for a hexagonal array of seven nickel nanowires, showing that the spin waves exhibit strong coupling with mode splitting and band effects as the interwire spacing is reduced. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：2433 / 2435
页数：3
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