The quantum nature of skyrmions and half-skyrmions in Cu 2 OSeO 3

Nature Communications

Volumn 5, Issue , 2014, Pages

  Janson, Oleg ^a,b   Rousochatzakis, Ioannis ^c   Tsirlin, Alexander A ^a,b   Belesi, Marilena ^c   Leonov, Andrei A ^c   Rößler, Ulrich K ^c   Van Den Brink, Jeroen ^c,d   Rosner, Helge ^a  

^a MAX PLANCK INSTITUTE FOR CHEMICAL PHYSICS OF SOLIDS   (Germany)

^b NATIONAL INSTITUTE OF CHEMICAL PHYSICS AND BIOPHYSICS   (Estonia)

^c IFW DRESDEN   (Germany)

^d DRESDEN UNIVERSITY OF TECHNOLOGY   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

COPPER; OXYGEN; SELENIUM;

MAGNETIC PROPERTY; MICROSCOPY; QUANTUM MECHANICS; TOPOLOGY; VORTICITY;

AB INITIO CALCULATION; ARTICLE; CONTROLLED STUDY; DENSITY FUNCTIONAL THEORY; ENANTIOMER; HALF SKYRMION; MICROSCOPY; PREDICTION; QUANTUM MECHANICS; SKYRMION; TEMPERATURE;

EID: 84912025788     PISSN: None     EISSN: 20411723     Source Type: Journal    
DOI: 10.1038/ncomms6376     Document Type: Article

References (51)

1. Mu?hlbauer, S. et al. Skyrmion lattice in a chiral magnet. Science 323, 915-919 (2009
2. Tonomura, A. et al. Real-space observation of skyrmion lattice in helimagnet MnSi thin samples. Nano Lett. 12, 1673-1677 (2012
3. Yu, X. Z. et al. Skyrmion flow near room temperature in an ultralow current density. Nat. Commun. 3, 988 (2012
4. Yu, X. Z. et al. Real-space observation of a two-dimensional skyrmion crystal. Nature 465, 901-904 (2010
5. Skyrme, T. H. R. A unified field theory of mesons and baryons. Nucl. Phys. 31, 556-569 (1962
6. Witten, E. Global aspects of current algebra. Nucl. Phys. B 223, 422-432 (1983
7. Ouyed, R. & Butler, M. Skyrmion stars. Astrophys. J. 522, 453 (1999
8. Luckock, H. & Moss, I. Black holes have skyrmion hair. Phys. Lett. B 176, 341-345 (1986
9. Lee, H. K. & Rho, M. in The Multifaceted Skyrmion (eds Brown, G. E. & Rho, M.) Ch 6, 147 (World Scientific, 2010
10. Bogdanov, A. N. & Yablonsky, D. A. On the theory of inhomogeneous states of magnetic substances in the region of phase-transitions induced by a magneticfield the mixed state of antiferromagnets. Zh. Eksp. Teor. Fiz. 95, 178-182 (1989
11. Bogdanov, A. & Hubert, A. Thermodynamically stable magnetic vortex states in magnetic crystals. J. Magn. Magn. Mater. 138, 255-269 (1994
12. Roler, U. K., Bogdanov, A. N. & Pfleiderer, C. Spontaneous skyrmion ground states in magnetic metals. Nature 442, 797-801 (2006
13. Castillejo, L., Jones, P., Jackson, A., Verbaarschot, J. & Jackson, A. Dense skyrmion systems. Nucl. Phys. A 501, 801-812 (1989
14. Kugler, M. & Shtrikman, S. Skyrmion crystals and their symmetries. Phys. Rev. D 40, 3421 (1989
15. Seki, S., Yu, X. Z., Ishiwata, S. & Tokura, Y. Observation of skyrmions in a multiferroic material. Science 336, 198-201 (2012
16. Belesi, M. et al. Magnetoelectric effects in single crystals of the cubic ferrimagnetic helimagnet Cu2OSeO3. Phys. Rev. B 85, 224413 (2012
17. White, J. S. et al. Electric field control of the skyrmion lattice in Cu2OSeO3. J. Phys.: Condens. Matter 24, 432201 (2012
18. Lin, S.-Z., Reichhardt, C., Batista, C. D. & Saxena, A. Driven skyrmions and dynamical transitions in chiral magnets. Phys. Rev. Lett. 110, 207202 (2013
19. Fert, A., Cros, V. & Sampaio, J. Skyrmions on the track. Nat. Nanotechnol. 8, 152-156 (2013
20. Bos, J.-W. G., Colin, C. V. & Palstra, T. T. M. Magnetoelectric coupling in the cubic ferrimagnet Cu2OSeO3. Phys. Rev. B 78, 094416 (2008
21. Belesi, M. et al. Ferrimagnetism of the magnetoelectric compound Cu2OSeO3 probed by 77Se NMR. Phys. Rev. B 82, 094422 (2010
22. Yang, J. H. et al. Strong Dzyaloshinskii-Moriya interaction and origin of ferroelectricityin Cu2OSeO3. Phys. Rev. Lett. 109, 107203 (2012
23. Romhanyi, J., van den Brink, J. & Rousochatzakis, I. Entangled tetrahedron ground state and excitations of the magneto-electric skyrmion material Cu2OSeO3. Phys. Rev. B (Rapid), in press. Preprint at http://arxiv.org/abs/ 1403.4081 (2014
24. Gnezdilov, V. P. et al. Magnetoelectricity in the ferromagnetic Cu2OSeO3: symmetry analysis and Raman scattering study. Low Temp. Phys. 36, 550 (2010
25. Roler, U. K., Leonov, A. A. & Bogdanov, A. N. Chiral skyrmionic matter in non-centrosymmetric magnets. J. Phys.: Conf. Ser. 303, 012105 (2011
26. Wilhelm, H. et al. Precursor phenomena at the magnetic ordering of the cubic helimagnet FeGe. Phys. Rev. Lett. 107, 127203 (2011
27. Wilhelm, H. et al. Confinement of chiral magnetic modulations in the precursor region of FeGe. J. Phys.: Condens. Matter 24, 294204 (2012
28. Seki, S. et al. Formation and rotation of skyrmion crystal in the chiral-lattice insulator Cu2OSeO3. Phys. Rev. B 85, 220406(R) (2012
29. Adams, T. et al. Long-wavelength helimagnetic order and skyrmion lattice phase in Cu2OSeO3. Phys. Rev. Lett. 108, 237204 (2012
30. Kutka, R., Trebin, H. R. & Kiemes, M. The topological theory of semidefects in ordered media. J. Phys. (France) 50, 861-885 (1989
31. Morinari, T. Half-skyrmion picture of a single-hole-doped CuO2 plane. Phys. Rev. B 72, 104502 (2005
32. Hen, I. & Karliner, M. Hexagonal structure of baby skyrmion lattices. Phys. Rev. D 77, 054009 (2008
33. Pappas, C. et al. Chiral paramagnetic skyrmion-like phase in MnSi. Phys. Rev. Lett. 102, 197202 (2009
34. Grigoriev, S. V. et al. Chiral criticality in the doped helimagnets Mn1-yFeySi. Phys. Rev. B 83, 224411 (2011
35. Z? ivkovic?, I., Pajic?, D., Ivek, T. & Berger, H. Two-step transition in a magnetoelectric ferrimagnet Cu2OSeO3. Phys. Rev. B 85, 224402 (2012
36. Ozerov, M. et al. Establishing the fundamental magnetic interactions in the chiral skyrmionic Mott insulator Cu2OSeO3 by terahertz electron spin resonance. Phys. Rev. Lett. 113, 157205 (2014
37. Dmitrienko, V. E. & Chizhikov, V. A. Weak antiferromagnetic ordering induced by Dzyaloshinskii-Moriya interaction and pure magnetic reflections in MnSi-type crystals. Phys. Rev. Lett. 108, 187203 (2012
38. Bogdanov, A. N., Roler, U. K., Wolf, M. & Muller, K.-H. Magnetic structures and reorientation transitions in noncentrosymmetric uniaxial antiferromagnets. Phys. Rev. B 66, 214410 (2002
39. Tanaka, M., Takayoshi, H., Ishida, M. & Endoh, Y. Crystal chirality and helicity of the helical spin density wave in MnSi. I. Convergent-beam electron diffraction. J. Phys. Soc. Jpn 54, 2970-2974 (1985
40. Ishida, M., Endoh, Y., Mitsuda, S., Ishikawa, Y. & Tanaka, M. Crystal chirality and helicity of the helical spin density wave in MnSi. II. Polarized neutron diffraction. J. Phys. Soc. Jpn 54, 2975-2982 (1985
41. Dyadkin, V. A. et al. Control of chirality of transition-metal monosilicides by the Czochralski method. Phys. Rev. B 84, 014435 (2011
42. Grigoriev, S. V., Chetverikov, Y. O., Lott, D. & Schreyer., A. Field induced chirality in the helix structure of Dy/Y multilayer films and experimental evidence for Dzyaloshinskii-Moriya interaction on the interfaces. Phys. Rev. Lett. 100, 197203 (2008
43. Grigoriev, S. V. et al. Crystal handedness and spin helix chirality in Fe1-xCoxSi. Phys. Rev. Lett. 102, 037204 (2009
44. Grigoriev, S. V. et al. Interplay between crystalline chirality and magnetic structure in Mn1-xFexSi. Phys. Rev. B 81, 012408 (2010
45. Dyadkin, V. et al. Chirality of structure and magnetism in the magnetoelectric compound Cu2OSeO3. Phys. Rev. B 89, 140409(R) (2014
46. Koepernik, K. & Eschrig, H. Full-potential nonorthogonal local-orbital minimum-basis band-structure scheme. Phys. Rev. B 59, 1743-1757 (1999
47. Kresse, G. & Furthmuller, J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Phys. Rev. B 54, 11169-11186 (1996
48. Kresse, G. & Furthmuller, J. Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set. Comput. Mater. Sci. 6, 15-50 (1996
49. Albuquerque, A. et al. The ALPS project release 1.3: open-source software for strongly correlated systems. J. Magn. Magn. Mater. 310, 1187-1193 (2007
50. Chizhikov, V. A. & Dmitrienko, V. E. Multishell contribution to the Dzyaloshinskii-Moriya spiraling in MnSi-type crystals. Phys. Rev. B 88, 214402 (2013
51. Belesi, M. et al. Magnetic properties of the magnetoelectric compound Cu2OSeO3: Magnetization and 77Se NMR study. J. Phys.: Conf. Ser. 303, 012069 (2011