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    Tuning the interfacial spin-orbit coupling with ferroelectricity

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    Author
    Fang, Mei
    Wang, Yanmei
    Wang, Hui
    Hou, Yusheng
    Vetter, Eric
    Kou, Yunfang
    Yang, Wenting
    Yin, Lifeng
    Xiao, Zhu
    Li, Zhou
    Jiang, Lu
    Lee, Ho Nyung
    Zhang, Shufeng
    Wu, Ruqian
    Xu, Xiaoshan
    Sun, Dali
    Shen, Jian
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    Affiliation
    Univ Arizona, Dept Phys
    Issue Date
    2020-05-26
    
    Metadata
    Show full item record
    Publisher
    NATURE PUBLISHING GROUP
    Citation
    Fang, M., Wang, Y., Wang, H., Hou, Y., Vetter, E., Kou, Y., ... & Shen, J. (2020). Tuning the interfacial spin-orbit coupling with ferroelectricity. Nature Communications, 11(1), 1-8.
    Journal
    NATURE COMMUNICATIONS
    Rights
    © The Author(s) 2020. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visithttp://creativecommons.org/licenses/by/4.0/.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Detection and manipulation of spin current lie in the core of spintronics. Here we report an active control of a net spin Hall angle, θSHE(net), in Pt at an interface with a ferroelectric material PZT (PbZr0.2Ti0.8O3), using its ferroelectric polarization. The spin Hall angle in the ultra-thin Pt layer is measured using the inverse spin Hall effect with a pulsed tunneling current from a ferromagnetic La0.67Sr0.33MnO3 electrode. The effect of the ferroelectric polarization on θSHE(net) is enhanced when the thickness of the Pt layer is reduced. When the Pt layer is thinner than 6 nm, switching the ferroelectric polarization even changes the sign of θSHE(net). This is attributed to the reversed polarity of the spin Hall angle in the 1st-layer Pt at the PZT/Pt interface when the ferroelectric polarization is inverted, as supported by the first-principles calculations. These findings suggest a route for designing future energy efficient spin-orbitronic devices using ferroelectric control.
    Note
    Open access journal
    ISSN
    2041-1723
    PubMed ID
    32457302
    DOI
    10.1038/s41467-020-16401-7
    Version
    Final published version
    ae974a485f413a2113503eed53cd6c53
    10.1038/s41467-020-16401-7
    Scopus Count
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    UA Faculty Publications

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