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Título
Skyrmion motion induced by voltage-controlled in-plane strain gradients
Autor(es)
Materia
Magnetism
Computational physics
Clasificación UNESCO
2202.08 Magnetismo
Fecha de publicación
2019
Editor
American Institute of Physics (Nueva York, Estados Unidos)
Citación
Yanes, R., Garcia-Sanchez, F., Luis, R.F., Martinez, E., Raposo, V., Torres, L. and Lopez-Diaz , L. (2019). Skyrmion motion induced by voltage-controlled in-plane strain gradients. Appl. Phys. Lett. 115, 132401. https://doi.org/10.1063/1.5119085
Resumen
[EN] Micromagnetic simulations are used to investigate the motion of magnetic skyrmions in an in-plane strain gradient. The skyrmion diameter and energy are found to depend on the strain, which leads to a force that moves the skyrmion toward regions with higher strain. An analytical expression for the skyrmion velocity as a function of the strain gradient is derived assuming a rigid profile for the skyrmion, and good agreement with simulations is obtained. Furthermore, electromechanical simulations of a hybrid ferromagnetic/piezoelectric device show that the in-plane strain gradients needed to move skyrmions can be achieved
URI
ISSN
0003-6951
DOI
10.1063/1.5119085
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