A surface-confined spiral state with ~120 nm pitch (double the known period) is observed in Cu2OSeO3 below 30 K for magnetic fields 3-18 degrees from <110> axes.
Interestingly, the new phase emerges in the same temperature range where exotic tilted conical and disordered skyrmion phases are stable [67]
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A Surface-confined Spiral State With the Double Period in the Cubic Chiral Helimagnet Cu$_2$OSeO$_3$
A surface-confined spiral state with ~120 nm pitch (double the known period) is observed in Cu2OSeO3 below 30 K for magnetic fields 3-18 degrees from <110> axes.