Skyrmion Behavior Revealed by Two X-Ray Studies J.C.T
MATERIALS / CONDENSED MATTER PUBLISHED BY THE ADVANCED LIGHT SOURCE COMMUNICATIONS GROUP Publications about this research: M.C. Langner, S. Roy, S.K. Mishra, Skyrmion Behavior Revealed by Two X-Ray Studies J.C.T. Lee, X.W. Shi, M.A. Hossain, Y.-D. Chuang, S. Seki, Y. Tokura, S.D. Kevan, and R.W. Schoenlein, Sometimes, the spins in a “Coupled Skyrmion Sublattices in magnetic material will form Cu2OSeO3,” Phys. Rev. Lett. 112, tiny swirls that can move 167202 (2014); J. Li, A. Tan, K.W. around like particles. The spins Moon, A. Doran, M.A. Marcus, A.T. Young, E. Arenholz, S. Ma, themselves stay put—it’s the R.F. Yang, C. Hwang, and Z.Q. Qiu, pattern that moves. These “Tailoring the topology of an quasiparticles have been artificial magnetic skyrmion,” Nat. dubbed “skyrmions,” after Commun. 5, 4704 (2014). British physicist Tony Skyrme, Research conducted by: M.C. who described their mathe- Langner and R.W. Schoenlein matics in a series of papers in (Berkeley Lab); S. Roy, S.K. the early 1960s. Now, over 50 Mishra, J.C.T. Lee, X.W. Shi, M.A. years later, scientists are Hossain, Y.-D. Chuang, A. Doran, intrigued by the possibility that M.A. Marcus, A.T. Young, and E. skyrmions could play a key role Arenholz (ALS); S. Seki (RIKEN in spintronics—electronics that and Japan Science and Technology employ spin to carry and mani- Agency); Y. Tokura (RIKEN and Univ. of Tokyo); S.D. Kevan (ALS upulate information. At the and Univ. of Oregon); J. Li, A.
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