Magnonic band gap design by the edge modulation of micro-sized waveguides

被引：39

作者：

Ciubotaru, F. ^{[1
]}

Chumak, A. V. ^{[1
]}

Grigoryeva, N. Yu ^{[2
]}

Serga, A. A. ^{[1
]}

Hillebrands, B. ^{[1
]}

机构：

[1] Tech Univ Kaiserslautern, Fac Phys & Forschungszentrum OPTIMAS, D-67663 Kaiserslautern, Germany

[2] St Petersburg Elect Univ, Dept Phys Elect & Technol, St Petersburg 197376, Russia

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2012年 / 45卷 / 25期

关键词：

All Open Access; Green;

D O I：

10.1088/0022-3727/45/25/255002

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The potential to control the number of the spin-wave band gaps of a magnonic crystal (MC) by variation of its geometry is investigated by numerical simulations. The MC is represented by a micro-sized planar ferromagnetic waveguide with periodically variable width. By choosing a step-like or sinusoidal variation of the width, the MC reveals multiple or single band gaps, respectively. This allows for additional degrees of freedom in the design of MC-based microwave filters and phase shifters with desired characteristics. The MCs' band gaps have been studied in the space and frequency domains exploring the spin-wave spectrum dependence on the probing position inside the MC.

引用

页数：6

共 47 条

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