Strong radiation of spin waves by core reversal of a magnetic vortex and their wave behaviors in magnetic nanowire waveguides

Physical Review Letters

Volumn 98, Issue 8, 2007, Pages

  Choi, Sangkook ^a   Lee, Ki Suk ^a   Guslienko, Konstantin Yu ^a   Kim, Sang Koog ^a  

^a Seoul National University   (South Korea)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTROMAGNETIC DISPERSION; ELECTROMAGNETIC WAVE PROPAGATION; MAGNETIC FIELDS; NANOSTRUCTURED MATERIALS; SIGNAL PROCESSING; WAVEGUIDES;

MAGNETIC ELEMENTS; MAGNETIC NANOWIRE WAVEGUIDES; MAGNETIC VORTEX CORE; SPIN WAVES (SW);

ELECTROMAGNETIC WAVES;

EID: 33847276156     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.98.087205     Document Type: Article

References (29)

1. L.R. Walker, in Spin Waves and Other Magnetic Modes, edited by, G.T. Rado, and, H. Suhl, Magnetism Vol. 1 (Academic, New York, 1963).
2. B. Heinrich and J.A.C. Bland, Ultrathin Magnetic Structures I (Springer, Berlin, 1994).
3. Spin Dynamics in Confined Magnetic Structures, edited by, B. Hillebrands, and, K. Ounadjela, Topics in Applied Physics Vol. 83 (Springer, Berlin, 2002).
4. K.Y. Guslienko and A.N. Slavin, J. Appl. Phys. 87, 6337 (2000); JAPIAU 0021-8979 10.1063/1.372698
5. K.Yu. Guslienko, Phys. Rev. B PRBMDO 0163-1829 68, 024422 (2003). 10.1103/PhysRevB.68.024422
6. C. Bayer, Phys. Rev. B PRBMDO 0163-1829 72, 064427 (2005). 10.1103/PhysRevB.72.064427
7. J. Jorzick, Phys. Rev. Lett. 88, 047204 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.88.047204
8. S.O. Demokritov, Phys. Rev. Lett. 93, 047201 (2004); PRLTAO 0031-9007 10.1103/PhysRevLett.93.047201
9. J.P. Park, Phys. Rev. Lett. 89, 277201 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.89.277201
10. K.Yu. Guslienko, J. Appl. Phys. 91, 8037 (2002); JAPIAU 0021-8979 10.1063/1.1450816
11. B.A. Ivanov and C.E. Zaspel, Phys. Rev. Lett. 94, 027205 (2005). PRLTAO 0031-9007 10.1103/PhysRevLett.94.027205
12. S.-B. Choe, Science 304, 420 (2004); SCIEAS 0036-8075 10.1126/science.1095068
13. J.P. Park and P.A. Crowell, Phys. Rev. Lett. 95, 167201 (2005); PRLTAO 0031-9007 10.1103/PhysRevLett.95.167201
14. M. Buess, Phys. Rev. B PRBMDO 0163-1829 71, 104415 (2005). 10.1103/PhysRevB.71.104415
15. R. Hertel, W. Wulfhekel, and J. Kirschner, Phys. Rev. Lett. 93, 257202 (2004). PRLTAO 0031-9007 10.1103/PhysRevLett.93.257202
16. D.A. Allwood, Science 296, 2003 (2002). SCIEAS 0036-8075 10.1126/science.1070595
17. K.-S. Lee, S. Choi, and S.-K. Kim, Appl. Phys. Lett. 87, 192502 (2005). APPLAB 0003-6951 10.1063/1.2128478
18. M. Grimsditch, Phys. Rev. B PRBMDO 0163-1829 69, 174428 (2004). 10.1103/PhysRevB.69.174428
19. R. Arias and D.L. Mills, Phys. Rev. B PRBMDO 0163-1829 70, 094414 (2004). 10.1103/PhysRevB.70.094414
20. L.D. Landau and E.M. Lifshitz, Phys. Z. Sowjetunion PHZSAL 0369-9811 8, 153 (1935);
21. T.L. Gilbert, Phys. Rev. 100, 1243 (1955). PHRVAO 0031-899X
22. We used the OOMMF code. See http://math.nist.gov/oommf. The micromagnetic parameters used for Py were as follows: the exchange stiffness A=13pJ/m, the saturation magnetization Ms=8.6×105A/m, and zero magnetic anisotropy constant. The cell size is 5×5×10nm3 and α=0.01.
23. M. Buess, Phys. Rev. Lett. PRLTAO 0031-9007 94, 127205 (2005); 10.1103/PhysRevLett.94.127205
24. F. Boust and N. Vukadinovic, Phys. Rev. B PRBMDO 0163-1829 70, 172408 (2004). 10.1103/PhysRevB.70.172408
25. N. Dao, S.L. Whittenburg, and R.P. Cowburn, J. Appl. Phys. 90, 5235 (2001). JAPIAU 0021-8979 10.1063/1.1412838
26. See EPAPS Document No.E-PRLTAO-98-001710 for two movie files. For more information on EPAPS, see http://www.aip.org/pubservs/epaps.html.
27. K.Yu. Guslienko, Phys. Rev. B PRBMDO 0163-1829 71, 144407 (2005). 10.1103/PhysRevB.71.144407
28. K.Yu. Guslienko, Phys. Rev. B PRBMDO 0163-1829 66, 132402 (2002); 10.1103/PhysRevB.66.132402
29. K.Yu. Guslienko and A.N. Slavin, Phys. Rev. B PRBMDO 0163-1829 72, 014463 (2005). 10.1103/PhysRevB.72.014463