Measuring the Formation Energy Barrier of Skyrmions in Zinc Substituted Cu2OSeO3 [dataset]

Murray N. Wilson, Marta Crisanti, Christopher Barker, Aleš Štefančič, Jonathan S. White, Max T. Birch, Geetha Balakrishnan, Robert Cubitt & Peter D. Hatton
We report small angle neutron scattering (SANS) measurements of the skyrmion lattice in (Cu0.976Zn0.024)2OSeO3 under the application of electric and magnetic fields. These measurements show an expansion of the skyrmion lattice stability region with electric field. Furthermore, using time-resolved SANS, we observe the slow formation of skyrmions after an electric or magnetic field is applied, which has not been observed in pristine Cu2OSeO3 crystals. The measured formation times are dramatically longer than the corresponding skyrmion...
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