Asymmetric magnetization switching and programmable complete Boolean logic enabled by long-range intralayer Dzyaloshinskii-Moriya interaction

Abstract After decades of efforts, some fundamental physics for electrical switching of magnetization is still missing. Here, we report the discovery of the long-range intralayer Dzyaloshinskii-Moriya interaction (DMI) effect, which is the chiral coupling of orthogonal magnetic domains within the sa...

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Main Authors: Qianbiao Liu, Long Liu, Guozhong Xing, Lijun Zhu
Format: Article
Language:English
Published: Nature Portfolio 2024-04-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-024-47375-5
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author Qianbiao Liu
Long Liu
Guozhong Xing
Lijun Zhu
author_facet Qianbiao Liu
Long Liu
Guozhong Xing
Lijun Zhu
author_sort Qianbiao Liu
collection DOAJ
description Abstract After decades of efforts, some fundamental physics for electrical switching of magnetization is still missing. Here, we report the discovery of the long-range intralayer Dzyaloshinskii-Moriya interaction (DMI) effect, which is the chiral coupling of orthogonal magnetic domains within the same magnetic layer via the mediation of an adjacent heavy metal layer. The effective magnetic field of the long-range intralayer DMI on the perpendicular magnetization is out-of-plane and varies with the interfacial DMI constant, the applied in-plane magnetic fields, and the magnetic anisotropy distribution. Striking consequences of the effect include asymmetric current/field switching of perpendicular magnetization, hysteresis loop shift of perpendicular magnetization in the absence of in-plane direct current, and sharp in-plane magnetic field switching of perpendicular magnetization. Utilizing the intralayer DMI, we demonstrate programable, complete Boolean logic operations within a single spin-orbit torque device. These results will stimulate investigation of the long-range intralayer DMI effect in a variety of spintronic devices.
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spelling doaj.art-59ecf1d2d3e34150914ac5f64fc60e002024-04-07T11:23:10ZengNature PortfolioNature Communications2041-17232024-04-0115111010.1038/s41467-024-47375-5Asymmetric magnetization switching and programmable complete Boolean logic enabled by long-range intralayer Dzyaloshinskii-Moriya interactionQianbiao Liu0Long Liu1Guozhong Xing2Lijun Zhu3State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of SciencesInstitute of Microelectronics, Chinese Academy of SciencesInstitute of Microelectronics, Chinese Academy of SciencesState Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of SciencesAbstract After decades of efforts, some fundamental physics for electrical switching of magnetization is still missing. Here, we report the discovery of the long-range intralayer Dzyaloshinskii-Moriya interaction (DMI) effect, which is the chiral coupling of orthogonal magnetic domains within the same magnetic layer via the mediation of an adjacent heavy metal layer. The effective magnetic field of the long-range intralayer DMI on the perpendicular magnetization is out-of-plane and varies with the interfacial DMI constant, the applied in-plane magnetic fields, and the magnetic anisotropy distribution. Striking consequences of the effect include asymmetric current/field switching of perpendicular magnetization, hysteresis loop shift of perpendicular magnetization in the absence of in-plane direct current, and sharp in-plane magnetic field switching of perpendicular magnetization. Utilizing the intralayer DMI, we demonstrate programable, complete Boolean logic operations within a single spin-orbit torque device. These results will stimulate investigation of the long-range intralayer DMI effect in a variety of spintronic devices.https://doi.org/10.1038/s41467-024-47375-5
spellingShingle Qianbiao Liu
Long Liu
Guozhong Xing
Lijun Zhu
Asymmetric magnetization switching and programmable complete Boolean logic enabled by long-range intralayer Dzyaloshinskii-Moriya interaction
Nature Communications
title Asymmetric magnetization switching and programmable complete Boolean logic enabled by long-range intralayer Dzyaloshinskii-Moriya interaction
title_full Asymmetric magnetization switching and programmable complete Boolean logic enabled by long-range intralayer Dzyaloshinskii-Moriya interaction
title_fullStr Asymmetric magnetization switching and programmable complete Boolean logic enabled by long-range intralayer Dzyaloshinskii-Moriya interaction
title_full_unstemmed Asymmetric magnetization switching and programmable complete Boolean logic enabled by long-range intralayer Dzyaloshinskii-Moriya interaction
title_short Asymmetric magnetization switching and programmable complete Boolean logic enabled by long-range intralayer Dzyaloshinskii-Moriya interaction
title_sort asymmetric magnetization switching and programmable complete boolean logic enabled by long range intralayer dzyaloshinskii moriya interaction
url https://doi.org/10.1038/s41467-024-47375-5
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