All-electric control of skyrmion-bimeron transition in van der Waals heterostructures

Abstract Two-dimensional van der Waals materials offer a versatile platform for manipulating atomic-scale topological spin textures. In this study, using first-principles and micromagnetic calculations, we demonstrate a reversible transition between magnetic skyrmions and bimerons in a MoTeI/In2Se3...

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Main Authors: Lan Bo, Songli Dai, Xichao Zhang, Masahito Mochizuki, Xiaohong Xu, Zean Tian, Yan Zhou
Format: Article
Language:English
Published: Nature Portfolio 2025-08-01
Series:Communications Physics
Online Access:https://doi.org/10.1038/s42005-025-02224-9
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author Lan Bo
Songli Dai
Xichao Zhang
Masahito Mochizuki
Xiaohong Xu
Zean Tian
Yan Zhou
author_facet Lan Bo
Songli Dai
Xichao Zhang
Masahito Mochizuki
Xiaohong Xu
Zean Tian
Yan Zhou
author_sort Lan Bo
collection DOAJ
description Abstract Two-dimensional van der Waals materials offer a versatile platform for manipulating atomic-scale topological spin textures. In this study, using first-principles and micromagnetic calculations, we demonstrate a reversible transition between magnetic skyrmions and bimerons in a MoTeI/In2Se3 multiferroic heterostructure. The physical origin lies in the reorientation of the easy axis of magnetic anisotropy, triggered by the reversal of ferroelectric polarization. We show that the transition operates effectively under both static and dynamic conditions, exhibiting remarkable stability and flexibility. Notably, this transition can be achieved entirely through electric control, without requiring any external magnetic field. Furthermore, we propose a binary encoding scheme based on the skyrmion-bimeron transition, presenting a promising path toward energy-efficient spintronic applications.
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institution Kabale University
issn 2399-3650
language English
publishDate 2025-08-01
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series Communications Physics
spelling doaj-art-ea5fdcc345154352a29b3bd5d029d86c2025-08-20T03:43:27ZengNature PortfolioCommunications Physics2399-36502025-08-01811910.1038/s42005-025-02224-9All-electric control of skyrmion-bimeron transition in van der Waals heterostructuresLan Bo0Songli Dai1Xichao Zhang2Masahito Mochizuki3Xiaohong Xu4Zean Tian5Yan Zhou6School of Science and Engineering, The Chinese University of Hong KongSchool of Science and Engineering, The Chinese University of Hong KongDepartment of Applied Physics, Waseda University, Okubo, Shinjuku-kuDepartment of Applied Physics, Waseda University, Okubo, Shinjuku-kuSchool of Chemistry and Materials Science of Shanxi Normal University & Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of EducationInstitute of Advanced Optoelectronic Materials and Technology, College of Big Data and Information Engineering, Guizhou UniversitySchool of Science and Engineering, The Chinese University of Hong KongAbstract Two-dimensional van der Waals materials offer a versatile platform for manipulating atomic-scale topological spin textures. In this study, using first-principles and micromagnetic calculations, we demonstrate a reversible transition between magnetic skyrmions and bimerons in a MoTeI/In2Se3 multiferroic heterostructure. The physical origin lies in the reorientation of the easy axis of magnetic anisotropy, triggered by the reversal of ferroelectric polarization. We show that the transition operates effectively under both static and dynamic conditions, exhibiting remarkable stability and flexibility. Notably, this transition can be achieved entirely through electric control, without requiring any external magnetic field. Furthermore, we propose a binary encoding scheme based on the skyrmion-bimeron transition, presenting a promising path toward energy-efficient spintronic applications.https://doi.org/10.1038/s42005-025-02224-9
spellingShingle Lan Bo
Songli Dai
Xichao Zhang
Masahito Mochizuki
Xiaohong Xu
Zean Tian
Yan Zhou
All-electric control of skyrmion-bimeron transition in van der Waals heterostructures
Communications Physics
title All-electric control of skyrmion-bimeron transition in van der Waals heterostructures
title_full All-electric control of skyrmion-bimeron transition in van der Waals heterostructures
title_fullStr All-electric control of skyrmion-bimeron transition in van der Waals heterostructures
title_full_unstemmed All-electric control of skyrmion-bimeron transition in van der Waals heterostructures
title_short All-electric control of skyrmion-bimeron transition in van der Waals heterostructures
title_sort all electric control of skyrmion bimeron transition in van der waals heterostructures
url https://doi.org/10.1038/s42005-025-02224-9
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AT xichaozhang allelectriccontrolofskyrmionbimerontransitioninvanderwaalsheterostructures
AT masahitomochizuki allelectriccontrolofskyrmionbimerontransitioninvanderwaalsheterostructures
AT xiaohongxu allelectriccontrolofskyrmionbimerontransitioninvanderwaalsheterostructures
AT zeantian allelectriccontrolofskyrmionbimerontransitioninvanderwaalsheterostructures
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