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  Deterministic optical control of room temperature multiferroicity in BiFeO3 thin films

Liou, Y.-D., Chiu, Y.-Y., Hart, R. T., Kuo, C.-Y., Huang, Y.-L., Wu, Y.-C., et al. (2019). Deterministic optical control of room temperature multiferroicity in BiFeO3 thin films. Nature Materials, 18, 580-587. doi:10.1038/s41563-019-0348-x.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-BD0A-E Version Permalink: http://hdl.handle.net/21.11116/0000-0003-BD0E-A
Genre: Journal Article

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 Creators:
Liou, Yi-De1, Author
Chiu, Yu-You1, Author
Hart, Ryan Thomas1, Author
Kuo, Chang-Yang1, Author
Huang, Yen-Lin1, Author
Wu, Yuan-Chih1, Author
Chopdekar, Rajesh V.1, Author
Liu, Heng-Jui1, Author
Tanaka, Arata1, Author
Chen, Chien-Te1, Author
Chang, Chun-Fu2, Author              
Tjeng, Liu Hao3, Author              
Cao, Ye1, Author
Nagarajan, Valanoor1, Author
Chu, Ying-Hao1, Author
Chen, Yi-Chun1, Author
Yang, Jan-Chi1, Author
Affiliations:
1External Organizations, ou_persistent22              
2Chun-Fu Chang, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863447              
3Liu Hao Tjeng, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863452              

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 Abstract: Controlling ferroic orders (ferroelectricity, ferromagnetism and ferroelasticity) by optical methods is a significant challenge due to the large mismatch in energy scales between the order parameter coupling strengths and the incident photons. Here, we demonstrate an approach to manipulate multiple ferroic orders in an epitaxial mixed-phase BiFeO3 thin film at ambient temperature via laser illumination. Phase-field simulations indicate that a light-driven flexoelectric effect allows the targeted formation of ordered domains. We also achieved precise sequential laser writing and erasure of different domain patterns, which demonstrates a deterministic optical control of multiferroicity at room temperature. As ferroic orders directly influence susceptibility and conductivity in complex materials, our results not only shed light on the optical control of multiple functionalities, but also suggest possible developments for optoelectronics and related applications. © 2019, The Author(s), under exclusive licence to Springer Nature Limited.

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Language(s): eng - English
 Dates: 2019-05-062019-05-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1038/s41563-019-0348-x
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Title: Nature Materials
  Abbreviation : Nat. Mater.
Source Genre: Journal
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Publ. Info: London, UK : Nature Pub. Group
Pages: - Volume / Issue: 18 Sequence Number: - Start / End Page: 580 - 587 Identifier: ISSN: 1476-1122
CoNE: https://pure.mpg.de/cone/journals/resource/111054835734000