Electrodynamic boundary conditions for planar arrays of thin magnetic elements

被引：3

作者：

Lisenkov, Ivan ^{[1
,2
]}

Tyberkevych, Vasyl ^{[1
]}

Nikitov, Sergei ^{[2
,3
,4
]}

Slavin, Andrei ^{[1
]}

机构：

[1] Oakland Univ, Dept Phys, 2200 N Squirrel Rd, Rochester, MI 48309 USA

[2] RAS, Kotelnikov Inst Radioengn & Elect, Moscow 125009, Russia

[3] Saratov NG Chernyshevskii State Univ, Dept Phys, Saratov 410012, Russia

[4] Moscow Inst Phys & Technol, Dept Quantum & Phys Elect, Dolgoprudnyi 141700, Russia

来源：

APPLIED PHYSICS LETTERS | 2015年 / 107卷 / 08期

基金：

美国国家科学基金会;

关键词：

FILMS; METAL; DOTS;

D O I：

10.1063/1.4929154

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Approximate electrodynamic boundary conditions are derived for an array of dipolarly coupled magnetic elements. It is assumed that the elements' thickness is small compared to the wavelength of an electromagnetic wave in a free space. The boundary conditions relate electric and magnetic fields existing at the top and bottom sides of the array through the averaged uniform dynamic magnetization of the array. This dynamic magnetization is determined by the collective dynamic eigen-excitations (spin wave modes) of the array and is found using the external magnetic susceptibility tensor. The problem of oblique scattering of a plane electromagnetic wave on the array is considered to illustrate the use of the derived boundary conditions. (C) 2015 AIP Publishing LLC.

引用

页数：5

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