Journal
PHYSICAL REVIEW RESEARCH
Volume 3, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.3.043011
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Funding
- National Natural Science Foundation of China [11874059, 12174405]
- Key Research Program of Frontier Sciences, CAS [ZDBS-LY-7021]
- Zhejiang Provincial Natural Science Foundation of China [LR19A040002]
- Beijing National Laboratory for Condensed Matter Physics
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Electric control of topological magnetic phases in Janusmagnet-based multiferroic heterostructure has been demonstrated through first-principles calculations and atomistic spin model simulations. By manipulating ferroelectricity reversal and applying in-plane magnetic field, the loops of vortices and antivortices can be transformed into skyrmions and bimeron solitons, respectively. This research paves the way for achieving highly tunable topological magnetism in atomic-thickness heterostructures, which could be beneficial for nonvolatile data encoding and storage with low-energy consumption.
Electric control of topological magnetic phases has attracted extensive attention due to its potential applications in energy-efficient spintronic devices. Here, using first-principles calculations and atomistic spin model simulations, we demonstrate that electric control of topological magnetic phases can be realized in Janusmagnet-based multiferroic heterostructure, i.e., MnBi2Se2Te2/In2Se3. The loops of vortices and antivortices can be transformed into skyrmions with diameter of only 4 nm via ferroelectricity reversal, which is originated from the change of magnetic anisotropy. For heterostructure with up polarization, loops of vortices and antivortices are further tuned to bimeron solitons by applying in-plane magnetic field. Our results thus pave the way for achieving highly tunable topological magnetism in atomic-thickness heterostructure, which can be useful in nonvolatile data encoding and storage with low-energy consumption.
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