Finite size effect on spread of resonance frequencies in arrays of coupled vortices

IEEE Transactions on Magnetics

Volumn 47, Issue 6 PART 1, 2011, Pages 1610-1613

  Vogel, Andreas ^a   Drews, André ^a   Im, Mi Young ^b   Fischer, Peter ^b   Meier, Guido ^a  

^a UNIVERSITY OF HAMBURG   (Germany)

^b LAWRENCE BERKELEY NATIONAL LABORATORY   (United States)

Author keywords

Broadband ferromagnetic resonance measurements; magnetic properties of nanostructures; magnetization dynamics; magnetostatic coupling

Indexed keywords

FERROMAGNETIC MATERIALS; FERROMAGNETIC RESONANCE; FERROMAGNETISM; MAGNETOSTATICS; NATURAL FREQUENCIES; TRANSMISSIONS; X RAYS;

BROADBAND FERROMAGNETIC RESONANCE; MAGNETIC PROPERTIES OF NANOSTRUCTURES; MAGNETIC TRANSMISSIONS; MAGNETIZATION DYNAMICS; MAGNETO-STATIC COUPLINGS; RESONANCE FREQUENCIES; SOFT X-RAY MICROSCOPY; TRANSMISSION SPECTRUMS;

VORTEX FLOW;

EID: 79957816398     PISSN: 00189464     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMAG.2011.2107505     Document Type: Article

References (21)

1. B. N. Engel, J. Åkerman, B. Butcher, R. W. Dave, M. DeHerrera, M. Durlam, G. Grynkewich, J. Janesky, S. V. Pietambaram, N. D. Rizzo, J. M. Slaughter, K. Smith, J. J. Sun, and S. Tehrani, "A 4-Mb toggle MRAM based on a novel bit and switching method," IEEE Trans. Magn., vol. 41, pp. 132-136, Jan. 2005. (Pubitemid 40136365)
2. D. A. Allwood, G. Xiong, M. D. Cooke, C. C. Faulkner, D. Atkinson, N. Vernier, and R. P. Cowburn, "Submicrometer ferromagnetic NOT gate and shift register," Science, vol. 296, pp. 2003-2006, Jun. 2002. (Pubitemid 34627517)
3. S. Bohlens, B. Krüger, A. Drews, M. Bolte, G. Meier, and D. Pfannkuche, "Current controlled random-access memory based on magnetic vortex handedness," Appl. Phys. Lett., vol. 93, pp. 142508-1-142508-4, Oct. 2008.
4. M. Bolte, G. Meier, B. Krüger, A. Drews, R. Eiselt, L. Bocklage, S. Bohlens, T. Tyliszczak, A. Vansteenkiste, B. VanWaeyenberge, K. W. Chou, A. Puzic, and H. Stoll, "Time-resolved X-ray microscopy of spin-torque-induced magnetic vortex gyration," Phys. Rev. Lett., vol. 100, pp. 176601-1-176601-4, Apr. 2008.
5. K. S. Buchanan, P. E. Roy, M. Grimsditch, F. Y. Fradin, K. Y. Gus-lienko, S. D. Bader, and V. Novosad, "Soliton-pair dynamics in patterned ferromagnetic ellipses," Nat. Phys., vol. 1, pp. 172-176, Dec. 2005.
6. S.-K. Kim, K.-S. Lee, Y.-S. Yu, and Y.-S. Choi, "Reliable low-power control of ultrafast vortex-core switching with the selectivity in an array of vortex states by in-plane circular-rotational magnetic fields and spin-polarized currents," Appl. Phys. Lett., vol. 92, pp. 022509-1-022509-3, Jan. 2008.
7. R. Antos, Y. Otani, and J. Shibata, "Magnetic vortex dynamics," J. Phys. Soc. Jpn., vol. 77, pp. 031004-1-031004-8, Mar. 2008.
8. J. Shibata, K. Shigeto, and Y. Otani, "Dynamics of magnetostatically coupled vortices in magnetic nanodisks," Phys. Rev. B, vol. 67, pp. 224404-1-224404-4, Jun. 2003.
9. K. L. Metlov, "Quasiuniform in-plane magnetization state of thin cylindrical dots in a square array and related anisotropy," Phys. Rev. Lett., vol. 97, pp. 127205-1-127205-4, Sept. 2006.
10. T. Kimura, Y. Otani, H. Masaki, T. Ishida, R. Antos, and J. Shibata, "Vortex motion in chilarity-controlled pair of magnetic disks," Appl. Phys. Lett., vol. 90, pp. 132501-1-132501-3, Mar. 2007.
11. Y. Liu, Z. Hou, S. Gliga, and R. Hertel, "Influence of the dynamic dipolar interaction on the current-induced core switch in vortex pairs," Phys. Rev. B, vol. 79, pp. 104435-1-104435-4, Mar. 2009.
12. A. Vogel, A. Drews, T. Kamionka, M. Bolte, and G. Meier, "Influence of dipolar interaction on vortex dynamics in arrays of ferromagnetic disks," Phys. Rev. Lett., vol. 105, pp. 037201-1-037201-4, Jul. 2010.
13. V. Novosad, private communication. 2010, Materials Science Division and Center for Nanoscale Materials, Argonne National Laboratory, Ar-gonne, IL 60439, USA.
14. K. Y. Guslienko, V. Novosad, Y. Otani, H. Shima, and K. Fukamichi, "Magnetization reversal due to vortex nucleation, displacement, and annihilation in submicron ferromagnetic dot arrays," Phys. Rev. B, vol. 65, pp. 024414-1-024414-4, Dec. 2001.
15. A. A. Thiele, "Steady-state motion of magnetic domains," Phys. Rev. Lett., vol. 30, pp. 230-233, Feb. 1973.
16. 3 edges of nickel," Phys. Rev. B, vol. 42, pp. 7262-7265, Oct. 1990.
17. W. Chao, B. H. Harteneck, J. A. Liddle, E. H. Anderson, and D. T. Attwood, "Soft X-ray microscopy at a spatial resolution better than 15 nm," Nature (London), vol. 435, pp. 1210-1213, Jun. 2005. (Pubitemid 40943082)
18. J. Podbielski, F. Giesen, and D. Grundler, "Spin-wave interference in microscopic rings," Phys. Rev. Lett., vol. 96, pp. 167207-1-167207-4, Apr. 2006.
19. I. Horcas, R. Fernandez, J. M. Gomez-Rodriguez, J. Colchero, J. Gomez-Herrero, and A. M. Baro, "WSXM: A software for scanning probe microscopy and a tool for nanotechnology," Rev. Sci. Instrum., vol. 78, pp. 013705-1-013705-8, Jan. 2007.
20. K. Y. Guslienko, "Low-frequency vortex dynamic susceptibility and relaxation in mesoscopic ferromagnetic dots," Appl. Phys. Lett., vol. 89, pp. 022510-1-022510-3, Jul. 2006.
21. T. Kamionka, private communication. 2009, Institut für Angewandte Physik und Zentrum für Mikrostrukturforschung, Universität Hamburg, 20355 Hamburg, Germany