Band-structure calculations of two-dimesional magnonic crystals with plane-wave expansion method*

Cao Yong-Jun; Yun Guo-Hong; Narsu

doi:10.7498/aps.60.077502

Abstract

Recently, magnonic crystals which are the magnetic counterparts of photonic crystals or phononic crystals are growing into a hot area of research. In this paper, a plane-wave expansion method in the field of magnonic crystals is proposed. By using this method, band structures of two-dimensional magnonic crystals composed of ferromagnetic materials Fe and EuO are calculated. The numerical results show that the spin-wave gaps will be generated under a definite filling fraction ratio, and the effect of exchange field on the band structure is larger than that of other field in the effective field.

Keywords:

Authors and contacts

(1)College of Physical Science and Technology, Inner Mongolia University, Huhhot 010020, China;Inner Mongolia Key Laboratory of Physics and Chemistry of Functional Materials and College of Physics and Electronic Information, Inner Mongolia Normal University,; (2)Inner Mongolia Key Laboratory of Physics and Chemistry of Functional Materials and College of Physics and Electronic Information, Inner Mongolia Normal University, Huhhot 010022, China

References

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Cited By

[1]	Wang Z K, Zhang V L, Lim H S, Ng S C, Kuok M H, Jain S, Adeyeye A O 2009 Appl. Phys. Lett. 94 083112
[2]	Puszkarski H, Krawczyk M 2003 Solid State Phenom. 94 125
[3]	Kruglyak V V, Kuchko A N 2001 Phys. Met. Metallogr. 92 211
[4]	Krawczyk M, Puszkarski H 2008 Phys. Rev. B 77 054437
[5]	Cao Y J, Yun G H, Liang X X, Bai N 2010 J. Phys. D: Appl. Phys. 43 305005
[6]	Vasseur J O, Dobrzynski L, Djafari-Rouhani B 1996 Phys. Rev. B 54 1043

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Catalog

Vol. 60, Issue 7 - 2011-04-05

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