Takaaki Dohi

Profile Information

Affiliation: Assistant Professor, Research Institute of Electrical Communication, Tohoku University

Degree: Ph.D.(Mar, 2020, Tohoku University)

Researcher number: 20972376
ORCID ID: https://orcid.org/0000-0003-1628-0097
J-GLOBAL ID: 202201004846258910
Researcher ID: T-7994-2019
researchmap Member ID: R000043131

Research Interests

Spintronics

Research Areas

Nanotechnology/Materials / Applied materials / Spintronics

Research History

Aug, 2022 - Present

Assistant Professor, Research Institute of Electrical Communication, Tohoku University
Sep, 2020 - Jul, 2022

Postdoctoral researcher, Institute of Physics, Johannes Gutenberg-Universität Mainz
Apr, 2020 - Aug, 2020

Postdoctoral researcher, Research Institute of Electrical Communication, Tohoku University

Education

Apr, 2017 - Mar, 2020

Department of Electronic Engineering, Graduate School of Engineering, Tohoku University
Apr, 2015 - Mar, 2017

Department of Electronic Engineering, Graduate School of Engineering, Tohoku University
Apr, 2013 - Mar, 2015

Electrical and Electronic Engineering, Faculty of Science and Engineering, Saga University

Awards

Mar, 2024

令和5年度東北大学電気・情報系若手優秀研究賞, 東北大学

土肥昂尭
Mar, 2020

工学研究科長賞, 東北大学

土肥昂尭
Nov, 2019

Editors' Highlights, Formation and current-induced motion of synthetic antiferromagnetic skyrmion bubbles, Nature Communications

T. Dohi, S. DuttaGupta, S. Fukami, Hideo Ohno
Sep, 2019

Young Scientist Presentation award, Ferromagnetic layer thickness dependent domain wall chirality and sign of effective Dzyaloshinskii-Moriya field in W/(Co)FeB/MgO systems

Takaaki Dohi
May, 2018

Featured Article, Non-linear variation of domain period under electric field in demagnetized CoFeB/MgO stacks with perpendicular easy axis, Applied Physics Letters

N. Ichikawa, T. Dohi, A. Okada, H. Sato, S. Fukami, H. Ohno
Mar, 2015

成績優秀賞, 電子情報通信学会九州支部

土肥昂尭

Papers

Homochiral antiferromagnetic merons, antimerons and bimerons realized in synthetic antiferromagnets

Mona Bhukta, Takaaki Dohi, Venkata Krishna Bharadwaj, Ricardo Zarzuela, Maria-Andromachi Syskaki, Michael Foerster, Miguel Angel Niño, Jairo Sinova, Robert Frömter, Mathias Kläui

Nature Communications, 15(1) 1641-1-1641-10, Feb 26, 2024 Peer-reviewedCorresponding author
Magneto-ionic modulation of the interlayer exchange interaction in synthetic antiferromagnets

Maria-Andromachi Syskaki, Takaaki Dohi, Beatrice Bednarz, Sergei Olegovich Filnov, Sergey Alexeyevich Kasatikov, Mona Bhukta, Alevtina Smekhova, Rohit Pachat, Johannes Wilhelmus van der Jagt, Shimpei Ono …

Applied Physics Letters, 124(8) 082408-1-082408-7, Feb 19, 2024 Peer-reviewedCorresponding author
Enhanced thermally-activated skyrmion diffusion with tunable effective gyrotropic force

Takaaki Dohi, Markus Weißenhofer, Nico Kerber, Fabian Kammerbauer, Yuqing Ge, Klaus Raab, Jakub Zázvorka, Maria-Andromachi Syskaki, Aga Shahee, Moritz Ruhwedel …

Nature Communications, 14(5424) 1-10, Sep 11, 2023 Peer-reviewedLead authorCorresponding author
Current-induced magnetization switching in magnetic multilayers with interlayer exchange coupling by dual spin-orbit torque

Hiroto Masuda, Yuta Yamane, Takeshi Seki, Klaus Raab, Takaaki Dohi, Rajkumar Modak, Ken-ichi Uchida, Jun’ichi Ieda, Mathias Kläui, Koki Takanashi

2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers), May, 2023
Magnetization switching process by dual spin–orbit torque in interlayer exchange-coupled systems

Hiroto Masuda, Yuta Yamane, Takeshi Seki, Klaus Raab, Takaaki Dohi, Rajkumar Modak, Ken-ichi Uchida, Jun'ichi Ieda, Mathias Kläui, Koki Takanashi

Applied Physics Letters, 122(16) 162402-162402, Apr 17, 2023 Peer-reviewed
Constructing coarse-grained skyrmion potentials from experimental data with Iterative Boltzmann Inversion

Yuqing Ge, Jan Rothörl, Maarten A. Brems, Nico Kerber, Raphael Gruber, Takaaki Dohi, Mathias Kläui, Peter Virnau

Communications Physics, 6(30) 1-6, Feb 3, 2023 Peer-reviewed
Brownian reservoir computing realized using geometrically confined skyrmion dynamics

Klaus Raab, Maarten A. Brems, Grischa Beneke, Takaaki Dohi, Jan Rothörl, Fabian Kammerbauer, Johan H. Mentink, Mathias Kläui

Nature Communications, 13(6982) 1-6, Nov 15, 2022 Peer-reviewed
Large Exotic Spin Torques in Antiferromagnetic Iron Rhodium

Jonathan Gibbons, Takaaki Dohi, Vivek P. Amin, Fei Xue, Haowen Ren, Jun-Wen Xu, Hanu Arava, Soho Shim, Hilal Saglam, Yuzi Liu …

Physical Review Applied, 18(2) 1-12, Aug 29, 2022 Peer-reviewed
Skyrmion pinning energetics in thin film systems

Raphael Gruber, Jakub Zázvorka, Maarten A. Brems, Davi R. Rodrigues, Takaaki Dohi, Nico Kerber, Boris Seng, Mehran Vafaee, Karin Everschor-Sitte, Peter Virnau …

Nature Communications, 13(3144) 1-9, Jun 6, 2022 Peer-reviewed
Thin Film Skyrmionics

Takaaki Dohi, Robert M. Reeve, Mathias Kläui

Annual Review of Condensed Matter Physics, 13(1) 73-95, Mar 10, 2022 Peer-reviewedInvitedLead authorCorresponding author
Magnetization processes and magnetic domain structures in Ta/CoFeB/MgO stacks

A.K. Dhiman, T. Dohi, W. Dobrogowski, Z. Kurant, I. Sveklo, S. Fukami, H. Ohno, A. Maziewski

Journal of Magnetism and Magnetic Materials, 529 167699-167699, Jul 1, 2021 Peer-reviewed
Influence of domain wall anisotropy on the current-induced hysteresis loop shift for quantification of the Dzyaloshinskii-Moriya interaction

Takaaki Dohi, Shunsuke Fukami, Hideo Ohno

Physical Review B, 103(21) 1-9, Jun 29, 2021 Peer-reviewedLead author
Probing edge condition of nanoscale CoFeB/MgO magnetic tunnel junctions by spin-wave resonance

M. Shinozaki, T. Dohi, J. Igarashi, J. Llandro, S. Fukami, H. Sato, H. Ohno

Applied Physics Letters, 117(20) 202404-202404, Nov 16, 2020 Peer-reviewed
Formation and current-induced motion of synthetic antiferromagnetic skyrmion bubbles

Takaaki Dohi, Samik DuttaGupta, Shunsuke Fukami, Hideo Ohno

Nature Communications, 10(5153) 1-6, Nov 14, 2019 Peer-reviewedLead author
Reversal of domain wall chirality with ferromagnet thickness in W/(Co)FeB/MgO systems

Takaaki Dohi, Samik DuttaGupta, Shunsuke Fukami, Hideo Ohno

Applied Physics Letters, 114(4) 042405-042405, Jan 28, 2019 Peer-reviewedLead author
Non-linear variation of domain period under electric field in demagnetized CoFeB/MgO stacks with perpendicular easy axis

N. Ichikawa, T. Dohi, A. Okada, H. Sato, S. Fukami, H. Ohno

Applied Physics Letters, 112(20) 202402-202402, May 14, 2018 Peer-reviewed
Electric-field effect on spin-wave resonance in a nanoscale CoFeB/MgO magnetic tunnel junction

T. Dohi, S. Kanai, F. Matsukura, H. Ohno

Applied Physics Letters, 111(7) 072403-072403, Aug 14, 2017 Peer-reviewedLead author
Effect of electric-field modulation of magnetic parameters on domain structure in MgO/CoFeB

T. Dohi, S. Kanai, A. Okada, F. Matsukura, H. Ohno

AIP Advances, 6(7) 075017-075017, Jul 22, 2016 Peer-reviewedLead author

Misc.

Formation and Dynamics of Antiferromagnetically Coupled Skyrmions in Synthetic Antiferromagnetic System

Takaaki Dohi

MAGNETICS JAPAN, 18(5) 217-222, Oct, 2023 Peer-reviewedInvitedLead authorLast authorCorresponding author

Professional Memberships

Mar, 2016 - Present

The Japan Society of Applied Physics

Research Projects

Generation of narrow bandwitdth RF field with arrayed spin Hall nano-oscillator and its application

Grants-in-Aid for Scientific Research, Fund for the Promotion of Joint International Research (International Collaborative Research), Japan Society for the Promotion of Science, 2023 - Mar, 2027

Kanai Shun, Jun Ishihara, Takaaki Dohi
多層薄膜構造を用いた未開拓反強磁性トポロジカル磁気構造の実現と機能性開拓

科学研究費助成事業若手研究, 若手研究, 日本学術振興会, Apr, 2023 - Mar, 2025

土肥昂尭
Emergent phenomena for 3D topological spin structures in thin film multilayer systems

Cooperative Research Project via Cross Appointment with Overseas Researcher, Center for Science and Innovation in Spintronics (CSIS), Tohoku University, Aug, 2023 - Mar, 2024

Takaaki Dohi, Yuta Yamane, Mathias Kläui
Antiferromagnetic skyrmionics- a path to non-conventional computing

Research Fellowships, The Canon Foundation in Europe, Sep, 2021 - Aug, 2022

Takaaki Dohi

Profile Information

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Research History

Education

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Misc.

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