Flexoelectric nanodomains in rare-earth iron garnet thin films under strain gradient

Hiroyasu Yamahara; Bin Feng; Munetoshi Seki; Masaki Adachi; Md Shamim Sarker; Takahito Takeda; Masaki Kobayashi; Ryo Ishikawa; Yuichi Ikuhara; Yasuo Cho; Hitoshi Tabata

doi:10.1038/s43246-021-00199-y

Communications Materials (Sep 2021)

Flexoelectric nanodomains in rare-earth iron garnet thin films under strain gradient

Hiroyasu Yamahara,
Bin Feng,
Munetoshi Seki,
Masaki Adachi,
Md Shamim Sarker,
Takahito Takeda,
Masaki Kobayashi,
Ryo Ishikawa,
Yuichi Ikuhara,
Yasuo Cho,
Hitoshi Tabata

Affiliations

Hiroyasu Yamahara: Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo
Bin Feng: Institute of Engineering Innovation, The University of Tokyo
Munetoshi Seki: Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo
Masaki Adachi: Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo
Md Shamim Sarker: Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo
Takahito Takeda: Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo
Masaki Kobayashi: Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo
Ryo Ishikawa: Institute of Engineering Innovation, The University of Tokyo
Yuichi Ikuhara: Institute of Engineering Innovation, The University of Tokyo
Yasuo Cho: Research Institute of Electrical Communication, Tohoku University
Hitoshi Tabata: Department of Electrical Engineering and Information Systems, Graduate School of Engineering, The University of Tokyo

DOI: https://doi.org/10.1038/s43246-021-00199-y
Journal volume & issue: Vol. 2, no. 1
pp. 1 – 8

Abstract

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Rare-earth iron garnets are ferrimagnetic insulators commercially known for their large magneto-optical effect. Here, strain-gradient engineering is used to induce flexoelectricity in Sm3Fe5O12 films, achieving simultaneous remanent dielectric polarization and magnetization at room temperature.

Published in Communications Materials

ISSN: 2662-4443 (Online)
Publisher: Nature Portfolio
Country of publisher: United States
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials
Website: https://www.nature.com/commsmat/

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