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Controlling spin current polarization through non-collinear antiferromagnetism

Author

Listed:
  • T. Nan

    (University of Wisconsin-Madison)

  • C. X. Quintela

    (University of Wisconsin-Madison)

  • J. Irwin

    (University of Wisconsin-Madison)

  • G. Gurung

    (University of Nebraska)

  • D. F. Shao

    (University of Nebraska)

  • J. Gibbons

    (Cornell University)

  • N. Campbell

    (University of Wisconsin-Madison)

  • K. Song

    (Department of Materials Modeling and Characterization, KIMS)

  • S. -Y. Choi

    (Department of Materials Science and Engineering, POSTECH)

  • L. Guo

    (University of Wisconsin-Madison)

  • R. D. Johnson

    (University of Oxford
    ISIS Facility, Rutherford Appleton Laboratory, Chilton
    University College London)

  • P. Manuel

    (University College London)

  • R. V. Chopdekar

    (Lawrence Berkeley National Laboratory (LBNL))

  • I. Hallsteinsen

    (Lawrence Berkeley National Laboratory (LBNL)
    Norwegian University of Science and Technology)

  • T. Tybell

    (Norwegian University of Science and Technology)

  • P. J. Ryan

    (Argonne National Laboratory
    Dublin City University)

  • J. -W. Kim

    (Argonne National Laboratory)

  • Y. Choi

    (Argonne National Laboratory)

  • P. G. Radaelli

    (University of Oxford)

  • D. C. Ralph

    (Cornell University
    Kavli Institute at Cornell for Nanoscale Science)

  • E. Y. Tsymbal

    (University of Nebraska)

  • M. S. Rzchowski

    (University of Wisconsin-Madison)

  • C. B. Eom

    (University of Wisconsin-Madison)

Abstract

The interconversion of charge and spin currents via spin-Hall effect is essential for spintronics. Energy-efficient and deterministic switching of magnetization can be achieved when spin polarizations of these spin currents are collinear with the magnetization. However, symmetry conditions generally restrict spin polarizations to be orthogonal to both the charge and spin flows. Spin polarizations can deviate from such direction in nonmagnetic materials only when the crystalline symmetry is reduced. Here, we show control of the spin polarization direction by using a non-collinear antiferromagnet Mn3GaN, in which the triangular spin structure creates a low magnetic symmetry while maintaining a high crystalline symmetry. We demonstrate that epitaxial Mn3GaN/permalloy heterostructures can generate unconventional spin-orbit torques at room temperature corresponding to out-of-plane and Dresselhaus-like spin polarizations which are forbidden in any sample with two-fold rotational symmetry. Our results demonstrate an approach based on spin-structure design for controlling spin-orbit torque, enabling high-efficient antiferromagnetic spintronics.

Suggested Citation

  • T. Nan & C. X. Quintela & J. Irwin & G. Gurung & D. F. Shao & J. Gibbons & N. Campbell & K. Song & S. -Y. Choi & L. Guo & R. D. Johnson & P. Manuel & R. V. Chopdekar & I. Hallsteinsen & T. Tybell & P., 2020. "Controlling spin current polarization through non-collinear antiferromagnetism," Nature Communications, Nature, vol. 11(1), pages 1-7, December.
  • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17999-4
    DOI: 10.1038/s41467-020-17999-4
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    Cited by:

    1. Yang Cao & Hao Ding & Yalu Zuo & Xiling Li & Yibing Zhao & Tong Li & Na Lei & Jiangwei Cao & Mingsu Si & Li Xi & Chenglong Jia & Desheng Xue & Dezheng Yang, 2024. "Acoustic spin rotation in heavy-metal-ferromagnet bilayers," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. Fen Xue & Shy-Jay Lin & Mingyuan Song & William Hwang & Christoph Klewe & Chien-Min Lee & Emrah Turgut & Padraic Shafer & Arturas Vailionis & Yen-Lin Huang & Wilman Tsai & Xinyu Bao & Shan X. Wang, 2023. "Field-free spin-orbit torque switching assisted by in-plane unconventional spin torque in ultrathin [Pt/Co]N," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    3. Kouta Kondou & Hua Chen & Takahiro Tomita & Muhammad Ikhlas & Tomoya Higo & Allan H. MacDonald & Satoru Nakatsuji & YoshiChika Otani, 2021. "Giant field-like torque by the out-of-plane magnetic spin Hall effect in a topological antiferromagnet," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    4. Shuai Hu & Ding-Fu Shao & Huanglin Yang & Chang Pan & Zhenxiao Fu & Meng Tang & Yumeng Yang & Weijia Fan & Shiming Zhou & Evgeny Y. Tsymbal & Xuepeng Qiu, 2022. "Efficient perpendicular magnetization switching by a magnetic spin Hall effect in a noncollinear antiferromagnet," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    5. Furong Han & Jing Zhang & Fan Yang & Bo Li & Yu He & Guansong Li & Youxiang Chen & Qisheng Jiang & Yan Huang & Hui Zhang & Jine Zhang & Huaiwen Yang & Huiying Liu & Qinghua Zhang & Hao Wu & Jingsheng , 2024. "Generation of out-of-plane polarized spin current by non-uniform oxygen octahedral tilt/rotation," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    6. Yunfeng You & Hua Bai & Xiaoyu Feng & Xiaolong Fan & Lei Han & Xiaofeng Zhou & Yongjian Zhou & Ruiqi Zhang & Tongjin Chen & Feng Pan & Cheng Song, 2021. "Cluster magnetic octupole induced out-of-plane spin polarization in antiperovskite antiferromagnet," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    7. Sihao Deng & Olena Gomonay & Jie Chen & Gerda Fischer & Lunhua He & Cong Wang & Qingzhen Huang & Feiran Shen & Zhijian Tan & Rui Zhou & Ze Hu & Libor Šmejkal & Jairo Sinova & Wolfgang Wernsdorfer & Ch, 2024. "Phase transitions associated with magnetic-field induced topological orbital momenta in a non-collinear antiferromagnet," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    8. Yuki Hibino & Tomohiro Taniguchi & Kay Yakushiji & Akio Fukushima & Hitoshi Kubota & Shinji Yuasa, 2021. "Giant charge-to-spin conversion in ferromagnet via spin-orbit coupling," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    9. Cuimei Cao & Shiwei Chen & Rui-Chun Xiao & Zengtai Zhu & Guoqiang Yu & Yangping Wang & Xuepeng Qiu & Liang Liu & Tieyang Zhao & Ding-Fu Shao & Yang Xu & Jingsheng Chen & Qingfeng Zhan, 2023. "Anomalous spin current anisotropy in a noncollinear antiferromagnet," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    10. Mengxi Wang & Jun Zhou & Xiaoguang Xu & Tanzhao Zhang & Zhiqiang Zhu & Zhixian Guo & Yibo Deng & Ming Yang & Kangkang Meng & Bin He & Jialiang Li & Guoqiang Yu & Tao Zhu & Ang Li & Xiaodong Han & Yong, 2023. "Field-free spin-orbit torque switching via out-of-plane spin-polarization induced by an antiferromagnetic insulator/heavy metal interface," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    11. Binoy K. Hazra & Banabir Pal & Jae-Chun Jeon & Robin R. Neumann & Börge Göbel & Bharat Grover & Hakan Deniz & Andriy Styervoyedov & Holger Meyerheim & Ingrid Mertig & See-Hun Yang & Stuart S. P. Parki, 2023. "Generation of out-of-plane polarized spin current by spin swapping," Nature Communications, Nature, vol. 14(1), pages 1-7, December.

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