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Electric-Field-Induced Skyrmion Distortion and Giant Lattice Rotation in the Magnetoelectric Insulator Cu2OSeO3

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Author White J. S., Prsa K., Huang P., Omrani A. A., Zivkovic I., Bartkowiak M., Berger H., Magrez A., Gavilano J. L., Nagy G., Zang J., Ronnow H. M.,
Project Quantum Magnetism - Spinons, Skyrmions and Dipoles
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Original article (peer-reviewed)

Volume (Issue) 113(10)
Page(s) 107203
Title of proceedings PHYSICAL REVIEW LETTERS
DOI 10.1103/physrevlett.113.107203

Open Access

Type of Open Access Repository (Green Open Access)


Uniquely in Cu2OSeO3, the Skyrmions, which are topologically protected magnetic spin vortexlike objects, display a magnetoelectric coupling and can be manipulated by externally applied electric (E) fields. Here, we explore the E-field coupling to the magnetoelectric Skyrmion lattice phase, and study the response using neutron scattering. Giant E-field induced rotations of the Skyrmion lattice are achieved that span a range of similar to 25 degrees. Supporting calculations show that an E-field-induced Skyrmion distortion lies behind the lattice rotation. Overall, we present a new approach to Skyrmion control that makes no use of spin-transfer torques due to currents of either electrons or magnons.