›› 2014, Vol. 23 ›› Issue (9): 97501-097501.doi: 10.1088/1674-1056/23/9/097501

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇    下一篇

Effects of rotating noncircular scatterers on spin-wave band gaps of two-dimensional magnonic crystals

杨慧a b, 云国宏a b c, 曹永军a b   

  1. a College of Physics and Electronic Information, Inner Mongolia Normal University, Hohhot 010022, China;
    b Inner Mongolia Key Lab of Nanoscience and Nanotechnology, Hohhot 010021, China;
    c College of Physical Science and Technology, Inner Mongolia University, Hohhot 010021, China
  • 收稿日期:2013-12-25 修回日期:2014-03-25 出版日期:2014-09-15 发布日期:2014-09-15
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11264028 and 11072104), the Natural Science Foundation of Inner Mongolia Autonomous Region of China (Grant No. 2012MS0114), and the School Scientific Research Funds of Inner Mongolia Normal University of China (Grant Nos. 2013YJRC007 and 2013ZRYB19).

Effects of rotating noncircular scatterers on spin-wave band gaps of two-dimensional magnonic crystals

Yang Hui (杨慧)a b, Yun Guo-Hong (云国宏)a b c, Cao Yong-Jun (曹永军)a b   

  1. a College of Physics and Electronic Information, Inner Mongolia Normal University, Hohhot 010022, China;
    b Inner Mongolia Key Lab of Nanoscience and Nanotechnology, Hohhot 010021, China;
    c College of Physical Science and Technology, Inner Mongolia University, Hohhot 010021, China
  • Received:2013-12-25 Revised:2014-03-25 Online:2014-09-15 Published:2014-09-15
  • Contact: Yun Guo-Hong E-mail:ndghyun@imu.edu.cn;phyjcao@imnu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 11264028 and 11072104), the Natural Science Foundation of Inner Mongolia Autonomous Region of China (Grant No. 2012MS0114), and the School Scientific Research Funds of Inner Mongolia Normal University of China (Grant Nos. 2013YJRC007 and 2013ZRYB19).

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摘要： Using the plane-wave expansion method, the spin-wave band structures of two-dimensional magnonic crystals consisting of square arrays of different shape scatterers are calculated numerically, and the effects of rotating rectangle and hexagon scaterers on the gaps are studied, respectively. The results show that the gaps can be substantially opened and tuned by rotating the scatterers. This approach should be helpful in designing magnonic crystals with desired gaps.

关键词: magnonic crystal, band gap, rotating, optimizing

Abstract: Using the plane-wave expansion method, the spin-wave band structures of two-dimensional magnonic crystals consisting of square arrays of different shape scatterers are calculated numerically, and the effects of rotating rectangle and hexagon scaterers on the gaps are studied, respectively. The results show that the gaps can be substantially opened and tuned by rotating the scatterers. This approach should be helpful in designing magnonic crystals with desired gaps.

Key words: magnonic crystal, band gap, rotating, optimizing

中图分类号:  (Spin waves)

  • 75.30.Ds
75.50.Tt (Fine-particle systems; nanocrystalline materials) 75.75.-c (Magnetic properties of nanostructures)