TY - JOUR
KW - Electric fields
KW - Multiferroics
KW - Magnetic anisotropy
KW - Energy utilization
KW - Textures
KW - Thin film devices
KW - Vortex flow
KW - Electric-field control
KW - Low energy consumption
KW - Magnetoelastic energy
KW - Magnetoelectric thin films
KW - Phase-field simulation
KW - Pulsed electric field
KW - Reverse circulation
KW - Spin polarized currents
KW - Electric variables measurement
AU - Y Zhang
AU - C W Wang
AU - H Huang
AU - J Lu
AU - R Liang
AU - J F Liu
AU - R Peng
AU - Q Zhang
AU - Q Zhang
AU - J Wang
AU - L Gu
AU - X.-F Han
AU - L.-Q Chen
AU - Ramamoorthy Ramesh
AU - C.-W Nan
AU - J Zhang
AB - The ability to control magnetic vortex is critical for their potential applications in spintronic devices. Traditional methods including magnetic field, spin-polarized current etc. have been used to flip the core and/or reverse circulation of vortex. However, it is challenging for deterministic electric-field control of the single magnetic vortex textures with time-reversal broken symmetry and no planar magnetic anisotropy. Here it is reported that a deterministic reversal of single magnetic vortex circulation can be driven back and forth by a space-varying strain in multiferroic heterostructures, which is controlled by using a bi-axial pulsed electric field. Phase-field simulation reveals the mechanism of the emerging magnetoelastic energy with the space variation and visualizes the reversal pathway of the vortex. This deterministic electric-field control of the single magnetic vortex textures demonstrates a new approach to integrate the low-dimensional spin texture into the magnetoelectric thin film devices with low energy consumption. © 2020 Science China Press
BT - Science Bulletin
DO - 10.1016/j.scib.2020.04.008
LA - eng
N1 - cited By 0
N2 - The ability to control magnetic vortex is critical for their potential applications in spintronic devices. Traditional methods including magnetic field, spin-polarized current etc. have been used to flip the core and/or reverse circulation of vortex. However, it is challenging for deterministic electric-field control of the single magnetic vortex textures with time-reversal broken symmetry and no planar magnetic anisotropy. Here it is reported that a deterministic reversal of single magnetic vortex circulation can be driven back and forth by a space-varying strain in multiferroic heterostructures, which is controlled by using a bi-axial pulsed electric field. Phase-field simulation reveals the mechanism of the emerging magnetoelastic energy with the space variation and visualizes the reversal pathway of the vortex. This deterministic electric-field control of the single magnetic vortex textures demonstrates a new approach to integrate the low-dimensional spin texture into the magnetoelectric thin film devices with low energy consumption. © 2020 Science China Press
PB - Elsevier B.V.
PY - 2020
T2 - Science Bulletin
TI - Deterministic reversal of single magnetic vortex circulation by an electric field
SN - 20959273
ER -