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Nonreciprocity of spin waves on 1D magnonic crystal

Keywords:

D.V. Kalyabin – Post-graduate Student, Moscow Institute of Physics and Technology, Trainee Researcher, Kotelnikov IRE RAS. E-mail: dmitry.kalyabin@phystech.edu I.V. Lisenkov – Ph.D. (Phys.-Math.), Researcher, Kotelnikov IRE RAS S.A. Osokin – Student, Moscow Institute of Physics and Technology, Engineer, Kotelnikov IRE RAS S.A. Nikitov – Dr.Sc. (Phys. Math.), Correspondent Member RAS, Acting Director, Kotelnikov IRE RAS


Spin wave propagation in different magnonic crystals is considered. Nonreciprocal properties of this waves leads, under certain condi-tions on configuration of structure with magnonic crystal, to displacement of Bragg-like band gap into Brillouin zone. Due to this fact there appears bands with one-directional propagation and bands with negative group velocity.
References:

 

  1. Nikitov S.A., Tailhades Ph., Tsai C.S. Spin waves in periodic magnetic structures - magnonic crystals // Journal of Magnetism and Magnetic Materials. 2001. 236 (3). R. 320–330.
  2. Sokolovskyy M.L., Krawczyk M. The magnetostatic modes in planar one-dimensional magnonic crystals with nanoscale sizes // Journal of Nanoparticle Research. 2011. 13 (11). R. 6085–6091.
  3. Mruczkiewicz M., Krawczyk M., Gubbiotti G., Tacchi S, Filimonov Yu.A., Kalyabin D.V., Lisenkov I.V., Nikitov S.A. Nonreciprocity of spin waves in metallized magnonic crystal // New Journal of Physics. 2013. 15 (11). P. 113–123.
  4. Lisenkov I., Kalyabin D., Osokin S., Klos J.W., Nikitov S. Nonreciprocity of edge modes in 1D magnonic crystal // Journal of Magnetism and Magnetic Material. (In press)

 

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