Reversible electric-field-driven magnetization in a columnar nanocomposite film
Mohsin Rafique, Andreas Herklotz, Kathrin Doerr, Sadia Manzoor
TL;DR
This paper demonstrates reversible control of magnetization in a nanocomposite film using electric fields, enabling room-temperature magnetic manipulation through strain-induced anisotropy changes.
Contribution
It introduces a method for reversible electric-field-driven magnetization control in self-assembled nanocomposites at room temperature.
Findings
Electric fields induce significant, reversible changes in magnetization.
Magnetization control is achieved via strain-induced magnetic anisotropy.
The approach works at room temperature.
Abstract
Magnetic hysteresis loops show a moderate perpendicular anisotropy of the magnetostrictive CFO pillars, which is related to their vertical compression. The application of an electric field to the electromechanical PMN-PT substrate produced significant and reversible changes in the magnetization due to an additional strain-induced magnetic anisotropy. This demonstrates completely reversible, room-temperature electric-field-assisted control of magnetization in self-assembled vertical nanocomposites of CFO and BFO.
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