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Title: Reorientations, relaxations, metastabilities, and multidomains of skyrmion lattices

Journal Article · · Physical Review B
 [1];  [1];  [2];  [3];  [3];  [4];  [5];  [5];  [6];  [1]
  1. Delft Univ. of Technology, Delft (Netherlands)
  2. Rutherford Appleton Lab., STFC, Didcot (United Kingdom)
  3. Lab. Leon Brillouin, Gif sur Yvette (France)
  4. Max Planck Institute for Chemical Physics of Solids, Dresden (Germany)
  5. Ames Lab. and Iowa State Univ., Ames, IA (United States)
  6. Diamond Light Source Ltd., Didcot (United Kingdom)

Magnetic skyrmions are nanosized topologically protected spin textures with particlelike properties. They can form lattices perpendicular to the magnetic field, and the orientation of these skyrmion lattices with respect to the crystallographic lattice is governed by spin-orbit coupling. By performing small-angle neutron scattering measurements, we investigate the coupling between the crystallographic and skyrmion lattices in both Cu2OSeO3 and the archetype chiral magnet MnSi. The results reveal that the orientation of the skyrmion lattice is primarily determined by the magnetic field direction with respect to the crystallographic lattice. In addition, it is also influenced by the magnetic history of the sample, which can induce metastable lattices. Kinetic measurements show that these metastable skyrmion lattices may or may not relax to their equilibrium positions under macroscopic relaxation times. Moreover, multidomain lattices may form when two or more equivalent crystallographic directions are favored by spin-orbit coupling and oriented perpendicular to the magnetic field.

Research Organization:
Ames Laboratory (AMES), Ames, IA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-07CH11358
OSTI ID:
1410344
Alternate ID(s):
OSTI ID: 1408564
Report Number(s):
IS-J-9505; PRBMDO
Journal Information:
Physical Review B, Vol. 96, Issue 18; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 27 works
Citation information provided by
Web of Science

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Cited By (9)

Multiple low-temperature skyrmionic states in a bulk chiral magnet journal April 2019
Electric-Field-Driven Topological Phase Switching and Skyrmion-Lattice Metastability in Magnetoelectric Cu 2 O Se O 3 journal July 2018
Skyrmions and spirals in MnSi under hydrostatic pressure journal August 2019
Evolution of helimagnetic correlations in Mn 1 x Fe x Si with doping: A small-angle neutron scattering study journal November 2018
Structural transition kinetics and activated behavior in the superconducting vortex lattice journal February 2019
Multiple low-temperature skyrmionic states in a bulk chiral magnet text January 2019
Structural transition kinetics and activated behavior in the superconducting vortex lattice text January 2019
Skyrmions and spirals in MnSi under hydrostatic pressure text January 2019
Ferromagnetic resonance with magnetic phase selectivity by means of resonant elastic x-ray scattering on a chiral magnet text January 2019

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