Crossref journal-article
Wiley
Advanced Materials (311)
Abstract

AbstractManipulation of ferroic order parameters, namely (anti‐)ferromagnetic, ferroelectric, and ferroelastic, by light at room temperature is a fascinating topic in modern solid‐state physics due to potential cross‐fertilization in research fields that are largely decoupled. Here, full optical control, that is, reversible switching, of the ferroelectric/ferroelastic domains in BiFeO3 thin films at room temperature by the mediation of the tip‐enhanced photovoltaic effect is demonstrated. The enhanced short‐circuit photocurrent density at the tip contact area generates a local electric field well exceeding the coercive field, enabling ferroelectric polarization switching. Interestingly, by tailoring the photocurrent direction, via either tuning the illumination geometry or simply rotating the light polarization, full control of the ferroelectric polarization is achieved. The finding offers a new insight into the interactions between light and ferroic orders, enabling fully optical control of all the ferroic orders at room temperature and providing guidance to design novel optoferroic devices for data storage and sensing.

Bibliography

Yang, M., & Alexe, M. (2018). Light‐Induced Reversible Control of Ferroelectric Polarization in BiFeO3. Advanced Materials, 30(14). Portico.

Authors 2
  1. Ming‐Min Yang (first)
  2. Marin Alexe (additional)
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Dates
Type When
Created 7 years, 6 months ago (Feb. 21, 2018, 11:45 a.m.)
Deposited 1 year, 11 months ago (Sept. 15, 2023, 3:23 a.m.)
Indexed 3 weeks, 2 days ago (Aug. 6, 2025, 8:10 a.m.)
Issued 7 years, 6 months ago (Feb. 19, 2018)
Published 7 years, 6 months ago (Feb. 19, 2018)
Published Online 7 years, 6 months ago (Feb. 19, 2018)
Published Print 7 years, 4 months ago (April 1, 2018)
Funders 1
  1. Engineering and Physical Sciences Research Council 10.13039/501100000266

    Region: Europe

    gov (National government)

    Labels4
    1. UKRI Engineering and Physical Sciences Research Council
    2. Engineering and Physical Sciences Research Council - UKRI
    3. Engineering & Physical Sciences Research Council
    4. EPSRC
    Awards2
    1. EP/P025803/1
    2. EP/M022706/1

@article{Yang_2018, title={Light‐Induced Reversible Control of Ferroelectric Polarization in BiFeO3}, volume={30}, ISSN={1521-4095}, url={http://dx.doi.org/10.1002/adma.201704908}, DOI={10.1002/adma.201704908}, number={14}, journal={Advanced Materials}, publisher={Wiley}, author={Yang, Ming‐Min and Alexe, Marin}, year={2018}, month=feb }