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    Space-charge-mediated anomalous ferroelectric switching in P(VDF-TrEE) polymer films

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    Type
    Article
    Authors
    Hu, Weijin cc
    Wang, Zhihong
    Du, Yuanmin
    Zhang, Xixiang cc
    Wu, Tao cc
    KAUST Department
    Advanced Nanofabrication, Imaging and Characterization Core Lab
    Core Labs
    KAUST Solar Center (KSC)
    Laboratory of Nano Oxides for Sustainable Energy
    Material Science and Engineering Program
    Nanofabrication Core Lab
    Physical Science and Engineering (PSE) Division
    Date
    2014-10-16
    Online Publication Date
    2014-10-16
    Print Publication Date
    2014-11-12
    Permanent link to this record
    http://hdl.handle.net/10754/563857
    
    Metadata
    Show full item record
    Abstract
    We report on the switching dynamics of P(VDF-TrEE) copolymer devices and the realization of additional substable ferroelectric states via modulation of the coupling between polarizations and space charges. The space-charge-limited current is revealed to be the dominant leakage mechanism in such organic ferroelectric devices, and electrostatic interactions due to space charges lead to the emergence of anomalous ferroelectric loops. The reliable control of ferroelectric switching in P(VDF-TrEE) copolymers opens doors toward engineering advanced organic memories with tailored switching characteristics.
    Citation
    Hu, W., Wang, Z., Du, Y., Zhang, X.-X., & Wu, T. (2014). Space-Charge-Mediated Anomalous Ferroelectric Switching in P(VDF–TrEE) Polymer Films. ACS Applied Materials & Interfaces, 6(21), 19057–19063. doi:10.1021/am5050136
    Sponsors
    This work is supported by KAUST.
    Publisher
    American Chemical Society (ACS)
    Journal
    ACS Applied Materials & Interfaces
    DOI
    10.1021/am5050136
    PubMed ID
    25285508
    ae974a485f413a2113503eed53cd6c53
    10.1021/am5050136
    Scopus Count
    Collections
    Nanofabrication Core Lab; Articles; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program; KAUST Solar Center (KSC)

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