Ferroelectricity of Neel-type magnetic domain walls
A.P. Pyatakov, D.A. Sechin, A.V. Nikolaev, E.P. Nikolaeva, A.S., Logginov
TL;DR
This paper demonstrates that Neel-type magnetic domain walls in iron garnet films exhibit chirality-dependent magnetoelectric effects, where electric fields can switch domain wall motion and chirality, revealing inhomogeneous magnetoelectric interactions.
Contribution
It provides experimental evidence of electric field control over Neel-type domain wall chirality and motion, highlighting the role of inhomogeneous magnetoelectric interactions.
Findings
Electric field reverses domain wall motion direction.
Chirality switching from clockwise to counterclockwise occurs with electric polarity reversal.
Magnetoelectric interaction causes micromagnetic structure transformation.
Abstract
The chirality-dependent magnetoelectric properties of Neel-type domain walls in iron garnet films is observed. The electrically driven magnetic domain wall motion changes the direction to the opposite with the reversal of electric polarity of the probe and with the chirality switching of the domain wall from clockwise to counterclockwise. This proves that the origin of the electric field induced micromagnetic structure transformation is inhomogeneous magnetoelectric interaction.
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