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Origin of skyrmion lattice phase splitting in Zn-substituted Cu 2 OSeO 3

DOI: 10.1103/PhysRevMaterials.2.111402 DOI Help

Authors: A. Stefancic (University of Warwick) , S. H. Moody (Durham University) , T. J. Hicken (Durham University) , M. T. Birch (Durham University) , G. Balakrishnan (University of Warwick) , S. A. Barnett (Diamond Light Source) , M. Crisanti (University of Warwick; Institut Laue-Langevin) , J. S. O. Evans (Durham University) , S. J. R. Holt (University of Warwick) , K. J. A. Franke (Durham University) , P. D. Hatton (University of Durham) , B. M. Huddart (Durham University) , M. R. Lees (University of Warwick) , F. L. Pratt (ISIS Facility) , C. C. Tang (Diamond Light Source) , M. N. Wilson (Durham University) , F. Xiao (Paul Scherrer Institut; University of Bern) , T. Lancaster (Durham University)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Physical Review Materials , VOL 2

State: Published (Approved)
Published: November 2018

Abstract: We present an investigation into the structural and magnetic properties of Zn-substituted Cu2OSeO3, a system in which the skyrmion lattice (SkL) phase in the magnetic field–temperature phase diagram was previously seen to split as a function of increasing Zn concentration. We find that splitting of the SkL is only observed in polycrystalline samples and reflects the occurrence of several coexisting phases with different Zn content, each distinguished by different magnetic behavior. No such multiphase behavior is observed in single-crystal samples.

Journal Keywords: Magnetic order parameter; skyrmions

Subject Areas: Physics, Materials


Instruments: I19-Small Molecule Single Crystal Diffraction