Design of nanostrip magnonic crystal waveguides with a single magnonic band gap

被引：23
|
作者：
Wang, Qi [1 ]
Zhong, Zhiyong [1 ]
Jin, Lichuan [1 ]
Tang, Xiaoli [1 ]
Bai, Feiming [1 ]
Zhang, Huaiwu [1 ]
Beach, Geoffrey S. D. [2 ]
机构：
[1] Univ Elect Sci & Technol China, State Key Lab Elect Thin Films & Integrated Devic, Chengdu 610054, Peoples R China
[2] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2013年 / 340卷
关键词：
Magnonic band gap; Spin wave; Magnonic crystal; Magnetic nanostructure;
D O I：
10.1016/j.jmmm.2013.03.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A novel planar structure of magnonic-crystal waveguide (MCW) with periodic rectangular-shaped holes embedded in a magnetic nanostrip film was designed. The effects of the distance between rectangular-shaped holes in the width direction of MCW on magnonic band structures were studied by micro-magnetic simulations. The results show that a MCW with a single magnonic band gap can be obtained by adjusting the distance to meet the condition of Bragg reflection of spin waves in the width direction of MCW. Moreover, the center frequency and width of magnonic gap can be regulated by changing the period and length of rectangular-shaped holes. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：23 / 26
页数：4
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