A Surface-confined Spiral State With the Double Period in the Cubic Chiral Helimagnet Cu2OSeO3 P. R. Baral, O. I. Utesov, S. H. Moody, M. T. Littlehales, P. Gargiani, M. Valvidares, R. Cubitt, N.-J. Steinke, C. Luo, F. Radu, A. Magrez, J. S. White, and V. Ukleev. npj Quantum Materials (2026)

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