Real-space observation of a two-dimensional skyrmion crystal

Nature

Volumn 465, Issue 7300, 2010, Pages 901-904

  Yu, X Z ^a,b   Onose, Y ^b,c   Kanazawa, N ^c   Park, J H ^d   Han, J H ^d   Matsui, Y ^a   Nagaosa, N ^c,e   Tokura, Y ^b,c,e  

^a NATIONAL INSTITUTE FOR MATERIALS SCIENCE   (Japan)

^b JAPAN SCIENCE AND TECHNOLOGY AGENCY   (Japan)

^c UNIVERSITY OF TOKYO   (Japan)

^d Sungkyunkwan University   (South Korea)

^e Cross Correlated Materials Research Group   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTAL STRUCTURE; CRYSTALLIZATION; MAGNETIC FIELD; MONTE CARLO ANALYSIS; OBSERVATIONAL METHOD; SIMULATION; TEMPERATURE EFFECT; THERMAL ALTERATION; THREE-DIMENSIONAL MODELING; TOPOLOGY; TRANSMISSION ELECTRON MICROSCOPY; TWO-DIMENSIONAL MODELING;

ARTICLE; CRYSTAL STRUCTURE; MAGNETIC FIELD; MONTE CARLO METHOD; PRIORITY JOURNAL; SKYRMION CRYSTAL; TRANSMISSION ELECTRON MICROSCOPY;

EID: 77953718467     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature09124     Document Type: Article

References (29)

1. Wigner, E. P. On the interaction of electrons in metals. Phys. Rev. 46, 1002-1011 (1934).
2. Tokura, Y. & Nagaosa, N. Orbital physics in transition-metal oxides. Science 288, 462-468 (2000).
3. Tranquada, J. M. et al. Evidence for stripe correlations of spins and holes in copper oxide superconductors. Nature 375, 561-563 (1995).
4. Skyrme, T. A unified field theory of mesons and baryons. Nucl. Phys. 31, 556-569 (1962).
5. Rajaraman, R. Solitons and Instantons 115-123 (Elsevier, 1987).
6. Sondhi, S. L., Karlhede, A., Kivleson, S. A. & Rezayi, E. H. Skyrmions and the crossover from the integer to fractional quantum Hall effect at small Zeeman energies. Phys. Rev. B 47, 16419-16426 (1993).
7. Bogdanov, A. N. & Yablonskîi, D. A. Thermodynamically stable "vortices" in magnetically ordered crystals. The mixed state of magnets. Sov. Phys. JETP 68, 101-103 (1989).
8. Ho, T. L. Spinor Bose condensates in optical traps. Phys. Rev. Lett. 81, 742-745 (1998).
9. Senthil, T., Vishwanath, A., Balents, L., Sachdev, S. & Fisher, M. P. A. Deconfined quantum critical points. Science 303, 1490-1494 (2004).
10. Ishikawa, Y., Tajima, K., Bloch, D. & Roth, M. Helical spin structure in manganese silicide MnSi. Solid State Commun. 19, 525-528 (1976).
11. Ishikawa, Y. & Arai, M. Magnetic phase diagram of MnSi near critical temperature studied by neutron small angle scattering. J. Phys. Soc. Jpn 53, 2726-2733 (1984).
12. Lebech, B. et al. Magnetic phase diagram of MnSi. J. Magn. Magn. Mater. 140-144, 119-120 (1995).
13. 0.2Si. Physica B 213-214, 381-383 (1995).
14. Pfleiderer, C. et al. Partial order in the non-Fermi-liquid phase of MnSi. Nature 427, 227-231 (2004).
15. Rößler, U. K., Bogdanov, A. N. & Pfleiderer, C. Spontaneous skyrmion ground states in magnetic metals. Nature 442, 797-801 (2006).
16. Binz, B., Vishwanath, A. & Aji, V. Theory of the helical spin crystal: a candidate for the partially ordered state of MnSi. Phys. Rev. Lett. 96, 207202 (2006).
17. Mühlbauer, S. et al. Skyrmion lattice in a chiral magnet. Science 323, 915-919 (2009).
18. Uchida, M., Onose, Y., Matsui, Y. & Tokura, Y. Real-space observation of helical spin order. Science 311, 359-361 (2006).
19. xSi in a magnetic field studied via small-angle polarized neutron diffraction. Phys. Rev. B 76, 224424 (2007).
20. xSi. Phys. Rev. Lett. 102, 037204 (2009).
21. Takeda, M. et al. Nematic-to-smectic transition of magnetic texture in conical state. J. Phys. Soc. Jpn. 78, 093704 (2009).
22. xSi. Phys Rev. B 81, 041203(R) (2010).
23. 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).
24. xSi. Phys. Rev. B 72, 224431 (2006).
25. Lee, M., Kang, W., Onose, Y., Tokura, Y. & Ong, N. P. Unusual Hall anomaly in MnSi under pressure. Phys. Rev. Lett. 102, 186601 (2009).
26. Neubauer, A. et al. Topological Hall effect in the A phase of MnSi. Phys. Rev. Lett. 102, 186602 (2009).
27. Landau, L. D., Lifshitz, E. M. & Pitaevskii, L. P. Electrodynamics of Continuous Media Vol. 8, 178-179 (Elsevier, 2008).
28. Grundy, P. J. & Tebble, R. S. Lorentz electron microscopy. Adv. Phys. 17, 153-242 (1968).
29. Tonomura, A. et al. Observation of individual vortices trapped along columnar defects in high-temperature superconductors. Nature 412, 620-622 (2001).