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Origin of skyrmion lattice phase splitting in Zn-substituted Cu2OSeO3.

Štefančič, A. and Moody, S. H. and Hicken, T. J. and Birch, M. T. and Balakrishnan, G. and Barnett, S. A. and Crisanti, M. and Evans, J. S. O. and Holt, S. J. R. and Franke, K. J. A. and Hatton, P. D. and Huddart, B. M. and Lees, M. R. and Pratt, F. L. and Tang, C. C. and Wilson, M. N. and Xiao, F. and Lancaster, T. (2018) 'Origin of skyrmion lattice phase splitting in Zn-substituted Cu2OSeO3.', Physical review materials., 2 (11). 111402(R).


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.

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Publisher statement:Reprinted with permission from the American Physical Society: Štefančič, A., Moody, S. H., Hicken, T. J., Birch, M. T., Balakrishnan, G., Barnett, S. A., Crisanti, M., Evans, J. S. O., Holt, S. J. R., Franke, K. J. A., Hatton, P. D., Huddart, B. M., Lees, M. R., Pratt, F. L., Tang, C. C., Wilson, M. N., Xiao, F. & Lancaster, T. (2018). Origin of skyrmion lattice phase splitting in Zn-substituted Cu2OSeO3. Physical Review Materials 2(11): 111402(R) © 2018 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.
Date accepted:09 October 2018
Date deposited:13 November 2018
Date of first online publication:08 November 2018
Date first made open access:13 November 2018

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