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Related Experiment Video

Updated: Sep 12, 2025

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

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Published on: August 15, 2018

Electrically Switchable Topological Magnetic Phase Transition in 2D Multiferroics.

Junhuang Yang¹, Kaiying Dou¹, Ying Dai¹

¹School of Physics, State Key Laboratory of Crystal Materials, Shandong University, Shandanan Str. 27, Jinan 250100, China.

|August 5, 2025

Summary

This summary is machine-generated.

Researchers demonstrate electric-field control of topological magnetic phase transitions in a novel heterobilayer. This breakthrough enables voltage-programmable spintronic devices by switching between skyrmion and bimeron states.

Keywords:

bimerons ferroelectricity magnetic skyrmions topological magnetic phase transition

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Area of Science:

Condensed Matter Physics
Materials Science
Spintronics

Background:

Topological spin structures and their phase transitions are crucial for advanced applications.
Current methods for controlling these structures rely on magnetic fields, limiting practical use.

Purpose of the Study:

To report a novel method for electrically driven topological magnetic phase transitions.
To investigate the control of skyrmion and bimeron states using electric fields.

Main Methods:

First-principles calculations
Atomistic spin simulations
Utilizing van der Waals multiferroic heterobilayer NiSeCl/Sc2CO2

Main Results:

Demonstrated electric-field-induced switching between skyrmion and bimeron states.
Showcased electric-field control over topological magnetic phase transitions.
Identified modulation of magnetic anisotropy and interactions via ferroelectricity.

Conclusions:

The study presents a new pathway for electric-field control of topological magnetism.
This research paves the way for voltage-programmable topological spintronics.