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    Electric-Field-Enhanced Bulk Perpendicular Magnetic Anisotropy in GdFe/Pb(Mg1/3Nb2/3)0.7Ti0.3O3 Multiferroic Heterostructure

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    acsami.9b16904.pdf
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    1.151Mb
    Format:
    PDF
    Description:
    Accepted Manuscript
    Embargo End Date:
    2020-11-18
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    Type
    Article
    Authors
    Chen, Aitian cc
    Zhang, Senfu cc
    Wen, Yan
    Huang, Haoliang
    Kosel, Jürgen cc
    Lu, Yalin
    Zhang, Xixiang cc
    KAUST Department
    Physical Sciences and Engineering (PSE) Division
    Materials Science and Engineering Program
    Electrical Engineering Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    KAUST Grant Number
    CRF-2017-3427-CRG6
    Date
    2019-11-18
    Embargo End Date
    2020-11-18
    Permanent link to this record
    http://hdl.handle.net/10754/660296
    
    Metadata
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    Abstract
    Perpendicular magnetic anisotropy is important for increasing the information storage density in the perpendicular magnetic recording media, and for rare earth-transition metal alloys with bulk perpendicular magnetic anisotropy that generate great research interest due to their abundant interesting phenomena, such as fast domain wall motion and skyrmion. Here, we deposit amorphous GdFe ferrimagnetic films on Pb(Mg1/3Nb2/3)0.7Ti0.3O3 ferroelectric substrate and investigate the effect of electric-field-induced piezostrain on its bulk perpendicular magnetic anisotropy. The anomalous Hall effect and polar Kerr image measurements suggest an enhanced bulk perpendicular magnetic anisotropy by electric field, which originates from a positive magnetoelastic anisotropy due to the positive magnetostriction coefficient of the GdFe film and the electric-field-induced tensile strain along the z axis in Pb(Mg1/3Nb2/3)0.7Ti0.3O3 ferroelectric substrate. Our results enrich the electrical control of perpendicular magnetic anisotropy and are useful for designing spintronic devices based on perpendicular magnetic anisotropy.
    Citation
    Chen, A., Zhang, S., Wen, Y., Huang, H., Kosel, J., Lu, Y., & Zhang, X. (2019). Electric-Field-Enhanced Bulk Perpendicular Magnetic Anisotropy in GdFe/Pb(Mg1/3Nb2/3)0.7Ti0.3O3 Multiferroic Heterostructure. ACS Applied Materials & Interfaces. doi:10.1021/acsami.9b16904
    Sponsors
    This work was supported by King Abdullah University of Science and Technology (KAUST), Office of Sponsored Research (OSR) under Award No. CRF-2017-3427-CRG6. The authors acknowledge the Nanofabrication Core Lab at KAUST for the excellent assistance. The authors also acknowledge the partial support from the Bureau of Facility Support and Budget, CAS, and the Anhui Initiative in Quantum Information Technologies (AHY100000).
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Applied Materials & Interfaces
    DOI
    10.1021/acsami.9b16904
    Additional Links
    https://pubs.acs.org/doi/10.1021/acsami.9b16904
    ae974a485f413a2113503eed53cd6c53
    10.1021/acsami.9b16904
    Scopus Count
    Collections
    Articles; Physical Sciences and Engineering (PSE) Division; Electrical Engineering Program; Materials Science and Engineering Program; Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division

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