Creation of skyrmions and antiskyrmions by local heating

Nature Communications

Volumn 5, Issue , 2014, Pages

  Koshibae, Wataru ^a   Nagaosa, Naoto ^a,b  

^a RIKEN Center for Emergent Matter Science   (Japan)

^b UNIVERSITY OF TOKYO   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ENERGY DISSIPATION; ENTROPY; HEATING; MAGNETIC FIELD; TOPOLOGY;

ANTISKYRMION; ARTICLE; CHIRALITY; HEATING; MAGNET; MOLECULAR STABILITY; OSCILLATION; SIMULATION; SKYRMION;

EID: 84955575433     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms6148     Document Type: Article

References (30)

1. Mühlbauer, S. et al. Skyrmion lattice in a chiral magnet. Science 323, 915-919 (2009).
2. Münzer, W. et al. Skyrmion lattice in the doped semiconductor Fe1-xCoxSi. Phys. Rev. B 81, 041203(R) (2010).
3. Seki, S., Yu, X. Z., Ishiwata, S. & Tokura, Y. Observation of skyrmions in a multiferroic material. Science 336, 198-201 (2012).
4. Yu, X. Z. et al. Real-space observation of a two-dimensional skyrmion crystal. Nature 465, 901-904 (2010).
5. Yu, X. Z. et al. Near room-temperature formation of a skyrmion crystal in thinfilms of the helimagnet FeGe. Nat. Mater 10, 106-109 (2011).
6. Skyrme, T. H. R. A unified field theory of mesons and baryons. Nucl. Phys. 31, 556-569 (1962).
7. Dzyaloshinskii, I. A thermodynamic theory of ''weak'' ferromagnetism of antiferromagnetics. J. Phys. Chem. Solids 4, 241-255 (1958).
8. Moriya, T. Anisotropic superexchange interaction and weak ferromagnetism. Phys. Rev. 120, 91-98 (1960).
9. Malozemoff, A. P. & Slonczewski, J. C. Magnetic Domain Walls in Bubble Materials (Academic, 1979).
10. Nagaosa, N. & Tokura, Y. Topological properties and dynamics of magnetic skyrmions. Nat. Nanotechnol. 8, 899-911 (2013).
11. Yu, X. Z. et al. Magnetic stripes and skyrmions with helicity reversals. Proc. Natl Acad. Sci. USA 109, 8856-8860 (2012).
12. Jonietz, F. et al. Spin transfer torques in MnSi at ultralow current densities. Science 330, 1648-1651 (2010).
13. Yu, X. Z. et al. Skyrmion flow near room temperature in an ultralow current density. Nat. Commun. 3, 988 (2012).
14. Iwasaki, J., Mochizuki, M. & Nagaosa, N. Current-induced skyrmion dynamics in constricted geometries. Nat. Nanotechnol. 8, 742-747 (2013).
15. Iwasaki, J., Mochizuki, M. & Nagaosa, N. Universal current-velocity relation of skyrmion motion in chiral magnets. Nat. Commun. 4, 1463 (2013).
16. Romming, N. Writing and deleting single magnetic skyrmions. Science 341, 636-639 (2013).
17. Sampaio, J., Cros, V., Rohart, S., Thiaville, A. & Fert, A. Nucleation, stability and current-induced motion of isolated magnetic skyrmions in nanostructures. Nat. Nanotechnol 8, 839-844 (2013).
18. Iwasaki, J., Koshibae, W. & Nagaosa, N. Colossal Spin Transfer Torque Effect on Skyrmion along the Edge. Nano Letters 14, 4432-4437 (2014).
19. Ogasawara, T. et al. Submicron-scale spatial feature of ultrafast photoinduced magnetization reversal in TbFeCo thin film. Appl. Phys. Lett. 94, 162507 (2009).
20. Finazzi, M. et al. Laser-induced magnetic nanostructures with tunable topological properties. Phys. Rev. Lett. 110, 177205 (2013).
21. White paper, Blu-ray DiscTM Format, General 3rd edn, Official website of the Blu-ray Disc Association http://www. blu-raydisc. com/en/technical/ technicalwhitepapers/general. aspx (December 2012).
22. Novotny, L. & Hecht, B. Principles of Nano-Optics 2nd edn (Cambridge University Press, 2012).
23. Lutwyche, M. et al. 5-5 2D AFM cantilever arrays a first step towards a Terabit storage device. Sens. Actuators 73, 89-94 (1999).
24. Garcá-Palacios, J. L. & Lázaro, F. J. Langevin-dynamics study of the dynamical properties of small magnetic particles. Phys. Rev. B 58, 14937-14958 (1998).
25. Yi, S. D., Onoda, S., Nagaosa, N. & Han, J. H. Skyrmions and anomalous Hall effect in a Dzyaloshinskii-Moriya spiral magnet. Phys. Rev. B 80, 054416 (2009).
26. Mochizuki, M. Spin-wave modes and their intense excitation effects in skyrmion crystals. Phys. Rev. Lett. 108, 017601 (2012).
27. Zang, J., Mostovoy, M., Han, J. H. & Nagaosa, N. Dynamics of skyrmion crystals in metallic thin films. Phys. Rev. Lett. 107, 136804 (2011).
28. Nagaosa, N. & Tokura, Y. Emergent electromagnetism in solids. Phys. Scr. T146, 014020 (2012).
29. Schulz, T. et al. Emergent electrodynamics of skyrmions in a chiral magnet. Nat. Phys. 8, 301-304 (2012).
30. Tanaka, F., Tanaka, S. & Imamura, N. Magneto-optical recording characteristics of TbFeCo media by magnetic field modulation method. Jpn J. Appl. Phys. 26, 231-235 (1987).