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In this paper, band structure of two-dimensional magnotic crystal composed of elliptic rods triangularly arranged is calculated by using the plane-wave expansion method. The results show that under the condition of the same filling ratio, the width and central frequency of band gap obviously change with the ratio between two radii of ellipse, and that elliptic cylinder scattering body can open the lower frequency band gap or widen the low frequency band gap.
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Keywords:
- magnonic crystals /
- band gap /
- plane-wave expansion method
[1] Krawczyk M, Puszkarski H 2008 Phys. Rev. B 77 054437
[2] Puszkarski H, Krawczyk M 2003 Solid State Phenom. 94 125
[3] Tacchi S, Duerr G, Klos J W, Madami M, Neusser S, Gubbiotti G, Carlotti G, Krawczyk M, Grundler D 2012 Phys. Rev. Lett. 109 137202
[4] Mamica S, Krawczyk M, Klos J W 2012 Adv. Cond. Mat. Phys. 2012 161387
[5] Krawczyk M, Klos J W, Sokolovskyy L, Madami M 2010 J. Appl. Phys. 108 093909
[6] 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
[7] Wang Z K, Zhang V L, Lim H S, Ng S C, Kuok M H, Jain S, Adeyeye A O 2010 ACS Nano. 4 643
[8] Kuchko A N, Sokolovskii M L, Kruglyak V V 2005 Physica B 370 73
[9] Kruglyak V V, Sokolovskii M L, Tkachenko V S, Kuchko A N 2006 J. Appl. Phys. 99 08C906
[10] Kruglyak V V, Kuchko A N 2001 Phys. Met. Metallogr. 92 211
[11] Cao Y J, Yun G H, Narsu 2011 Acta Phys. Sin. 60 077502 (in Chinese) [曹永军, 云国宏, 那日苏 2011 60 077502]
[12] Cao Y J, Tan W, Liu Y 2012 Acta Phys. Sin. 61 117501 (in Chinese) [曹永军, 谭伟, 刘燕 2012 61 117501]
[13] Wang L Y, Cao Y J 2011 Acta Phys. Sin. 60 097501 (in Chinese) [王立勇, 曹永军 2011 60 097501]
[14] Yang H, Yun G H, Cao Y J 2011 J. Phys. D: Appl. Phys. 44 455001
[15] Cao Y J, Yun G H, Liang X X, Ban N 2010 J. Phys. D: Appl. Phys. 43 305005
[16] Dong H F, Wu F G, Xu Z L, Zhang X 2011 Sci. China G： Phys. Mech. Astron. 41 775 (in Chinese) [董华锋, 吴福根, 许振龙, 张欣 2011 中国科学 G 辑: 物理学 力学 天文学 41 775]
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[1] Krawczyk M, Puszkarski H 2008 Phys. Rev. B 77 054437
[2] Puszkarski H, Krawczyk M 2003 Solid State Phenom. 94 125
[3] Tacchi S, Duerr G, Klos J W, Madami M, Neusser S, Gubbiotti G, Carlotti G, Krawczyk M, Grundler D 2012 Phys. Rev. Lett. 109 137202
[4] Mamica S, Krawczyk M, Klos J W 2012 Adv. Cond. Mat. Phys. 2012 161387
[5] Krawczyk M, Klos J W, Sokolovskyy L, Madami M 2010 J. Appl. Phys. 108 093909
[6] 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
[7] Wang Z K, Zhang V L, Lim H S, Ng S C, Kuok M H, Jain S, Adeyeye A O 2010 ACS Nano. 4 643
[8] Kuchko A N, Sokolovskii M L, Kruglyak V V 2005 Physica B 370 73
[9] Kruglyak V V, Sokolovskii M L, Tkachenko V S, Kuchko A N 2006 J. Appl. Phys. 99 08C906
[10] Kruglyak V V, Kuchko A N 2001 Phys. Met. Metallogr. 92 211
[11] Cao Y J, Yun G H, Narsu 2011 Acta Phys. Sin. 60 077502 (in Chinese) [曹永军, 云国宏, 那日苏 2011 60 077502]
[12] Cao Y J, Tan W, Liu Y 2012 Acta Phys. Sin. 61 117501 (in Chinese) [曹永军, 谭伟, 刘燕 2012 61 117501]
[13] Wang L Y, Cao Y J 2011 Acta Phys. Sin. 60 097501 (in Chinese) [王立勇, 曹永军 2011 60 097501]
[14] Yang H, Yun G H, Cao Y J 2011 J. Phys. D: Appl. Phys. 44 455001
[15] Cao Y J, Yun G H, Liang X X, Ban N 2010 J. Phys. D: Appl. Phys. 43 305005
[16] Dong H F, Wu F G, Xu Z L, Zhang X 2011 Sci. China G： Phys. Mech. Astron. 41 775 (in Chinese) [董华锋, 吴福根, 许振龙, 张欣 2011 中国科学 G 辑: 物理学 力学 天文学 41 775]
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