Tomohiro Taniguchi

Profile Information

Affiliation: National Institute of Advanced Industrial Science and Technology

Degree: 博士(工学)(Mar, 2011, 筑波大学)

Researcher number: 90635806
ORCID ID: https://orcid.org/0000-0003-1679-3765
J-GLOBAL ID: 201801003114897474
Researcher ID: J-6501-2012
researchmap Member ID: B000328723

Research Areas

Research History

Aug, 2022 - Present

Group leader, Research Center for Emerging Computing Technologies, National Institute of Advanced Industrial Science and Technology
Apr, 2022 - Jul, 2022

Senior Researcher, Research Center for Emerging Computing Technologies, National Institute of Advanced Industrial Science and Technology (AIST)
Oct, 2020 - Mar, 2022

Senior Researcher, Research Center for Emerging Computing Technologies, National Institute of Advanced Industrial Science and Technology (AIST)
Oct, 2016 - Sep, 2020

Senior Researcher, Spintronics Reseach Center, National Institute of Advanced Industrial Science and Technology (AIST)
Apr, 2015 - Sep, 2016

Researcher, Spintronics Reseach Center, National Institute of Advanced Industrial Science and Technology (AIST)
Apr, 2012 - Mar, 2015

Researcher, Spintronics Reseach Center, National Institute of Advanced Industrial Science and Technology (AIST)
Apr, 2014 - Jun, 2014

Visiting Researcher, Center for Nanoscale Science and Technology (CNST), National Institute of Standards and Technology (NIST)
Jul, 2011 - Mar, 2012

Postdoc, Nanosystem Research Group, National Institute of Advanced Industrial Science and Technology (AIST)
Apr, 2011 - Jun, 2011

JSPS (PD), Magnetic Materials Unit, National Institute for Materials Science
Apr, 2008 - Mar, 2011

DC1, University of Tsukuba
Nov, 2008 - Jan, 2009

International Student, Department of Physics, New York University

Education

Apr, 2008 - Mar, 2011

Applied Physics (Ph. D), Pure and applied science, University of Tsukuba
Apr, 2006 - Mar, 2008

Physics (Master), Science, Tohoku University
Apr, 2002 - Mar, 2006

Electronics (Bachelor), Engineering, Tohoku University

Committee Memberships

Oct, 2013 - Mar, 2016

広報委員, 日本磁気学会
Oct, 2012 - Sep, 2013

領域3運営委員, 日本物理学会

Awards

Apr, 2019

平成31年度科学技術分野の文部科学大臣表彰若手科学者賞, ナノサイズ強磁性体におけるスピン異常ホール効果の理論研究, Ministry of Education, Culture, Sports, Science and Technology

Tomohiro Taniguchi
Sep, 2017

The 39th JSAP article award, Joule heating in spin Hall geometry, JSAP

Tomohiro Taniguchi
Sep, 2012

The 32nd JSAP Spring meeting presentation award, Theoretical Study on Current Dependence of Thermally Assisted Magnetization Switching, JSAP

Tomohiro Taniguchi
Mar, 2011

第7回筑波大学数理物質科学研究科研究科長表彰, University of Tsukuba

Tomohiro Taniguchi
Jul, 2010

Best Poster Award, Angle dependence of the magnetoresistance of CCP-CPP-GMR system, International Symposium on Advanced Magnetic Materials and Applications (ISAMMA 2010)

Tomohiro Taniguchi

Papers

119

Input-driven chaotic dynamics in vortex spin-torque oscillator

Yusuke Imai, Kohei Nakajima, Sumito Tsunegi, Tomohiro Taniguchi

Scientific Reports, 12(1) 21651, Dec 15, 2022 Peer-reviewedLast authorCorresponding author
Non-periodic input-driven magnetization dynamics in voltage-controlled parametric oscillator

Tomohiro Taniguchi

Journal of Magnetism and Magnetic Materials, 563 170009-170009, Oct 14, 2022 Peer-reviewedLead authorCorresponding author
Magnetization switching probability in the dynamical switching regime driven by spin-transfer torque

Tomohiro Taniguchi, Shinji Isogami, Yohei Shiokawa, Yugo Ishitani, Eiji Komura, Tomoyuki Sasaki, Seiji Mitani, Masamitsu Hayashi

Physical Review B, 106(10) 104431, Sep 28, 2022 Peer-reviewedLead authorCorresponding author
A Coupled Spintronics Neuromorphic Approach for High‐Performance Reservoir Computing

Nozomi Akashi, Yasuo Kuniyoshi, Sumito Tsunegi, Tomohiro Taniguchi, Mitsuhiro Nishida, Ryo Sakurai, Yasumichi Wakao, Kenji Kawashima, Kohei Nakajima

Advanced Intelligent Systems, 2200123-2200123, Sep 20, 2022 Peer-reviewed
Ultra-wide-band millimeter-wave generator using spin torque oscillator with strong interlayer exchange couplings

Yuichiro Kurokawa, Keisuke Yamada, Tomohiro Taniguchi, Shu Horiike, Terumitsu Tanaka, Hiromi Yuasa

Scientific Reports, 12(1) 10849, Jul 19, 2022 Peer-reviewedCorresponding author
Spintronic reservoir computing without driving current or magnetic field

Tomohiro Taniguchi, Amon Ogihara, Yasuhiro Utsumi, Sumito Tsunegi

Scientific Reports, 12(1) 10627, Jun 23, 2022 Peer-reviewedLead authorCorresponding author
Noise-induced synchronization of spin-torque oscillators

Yusuke Imai, Sumito Tsunegi, Kohei Nakajima, Tomohiro Taniguchi

Physical Review B, 105(22) 224407, Jun 15, 2022 Peer-reviewedLast authorCorresponding author
Chaos in spin-torque oscillator with feedback circuit

Akira Kamimaki, Tomoyuki Kubota, Sumito Tsunegi, Kohei Nakajima, Tomohiro Taniguchi, Julie Grollier, Vincent Cros, Kay Yakushiji, Akio Fukushima, Shinji Yuasa, Hitoshi Kubota

Physical Review Research, 3(4) 043216, Dec 27, 2021 Peer-reviewedCorresponding author
Giant charge-to-spin conversion in ferromagnet via spin-orbit coupling

Yuki Hibino, Tomohiro Taniguchi, Kay Yakushiji, Akio Fukushima, Hitoshi Kubota, Shinji Yuasa

NATURE COMMUNICATIONS, 12(1) 6254, Oct 29, 2021 Peer-reviewed
Spin–orbit torque driven magnetization switching in W/CoFeB/MgO-based type-Y three terminal magnetic tunnel junctions

Shinji Isogami, Yohei Shiokawa, Atsushi Tsumita, Eiji Komura, Yugo Ishitani, Kosuke Hamanaka, Tomohiro Taniguchi, Seiji Mitani, Tomoyuki Sasaki, Masamitsu Hayashi

Scientific Reports, 11(1) 16676, Aug 17, 2021 Peer-reviewedCorresponding author
Control of the stochastic response of magnetization dynamics in spin-torque oscillator through radio-frequency magnetic fields

Sumito Tsunegi, Tomohiro Taniguchi, Daiki Suzuki, Kay Yakushiji, Akio Fukushima, Shinji Yuasa, Hitoshi Kubota

SCIENTIFIC REPORTS, 11(1) 16285, Aug 11, 2021 Peer-reviewedCorresponding author
Out-of-plane magnetization oscillation in spin Hall device assisted by field-like torque

Tomohiro Taniguchi

Applied Physics Letters, 118(14) 142406-142406, Apr 5, 2021 Peer-reviewedLead authorCorresponding author
Dependency of high-speed write properties on external magnetic field in spin-orbit torque in-plane magnetoresistance devices

Yohei Shiokawa, Eiji Komura, Yugo Ishitani, Atsushi Tsumita, Keita Suda, Kosuke Hamanaka, Tomohiro Taniguchi, Tomoyuki Sasaki

APPLIED PHYSICS EXPRESS, 14(1) 013001, Jan 7, 2021 Peer-reviewed
Reservoir Computing Based on Spintronics Technology

Tomohiro Taniguchi, Sumito Tsunegi, Shinji Miwa, Keisuke Fujii, Hitoshi Kubota, Kohei Nakajima

Natural Computing Series, 331-360, 2021 Peer-reviewedInvited
Large Spin-Orbit-Torque Efficiency Generated by Spin Hall Effect in Paramagnetic Co-Ni-B Alloys

Y. Hibino, T. Taniguchi, K. Yakushiji, A. Fukushima, H. Kubota, S. Yuasa

PHYSICAL REVIEW APPLIED, 14(6) 064056, Dec 17, 2020 Peer-reviewed
Input-driven bifurcations and information processing capacity in spintronics reservoirs

Nozomi Akashi, Terufumi Yamaguchi, Sumito Tsunegi, Tomohiro Taniguchi, Mitsuhiro Nishida, Ryo Sakurai, Yasumichi Wakao, Kohei Nakajima

Physical Review Research, 2(4) 043303, Dec 1, 2020 Peer-reviewed
Reduction of back switching by large damping ferromagnetic material

Tomohiro Taniguchi, Yohei Shiokawa, Tomoyuki Sasaki

APPLIED PHYSICS EXPRESS, 13(12) 123002, Dec, 2020 Peer-reviewedLead authorCorresponding author
Step-like dependence of memory function on pulse width in spintronics reservoir computing

Terufumi Yamaguchi, Nozomi Akashi, Kohei Nakajima, Hitoshi Kubota, Sumito Tsunegi, Tomohiro Taniguchi

SCIENTIFIC REPORTS, 10(1) 19536, Nov, 2020 Peer-reviewedLast authorCorresponding author
Switching induced by spin Hall effect in an in-plane magnetized ferromagnet with the easy axis parallel to the current

Tomohiro Taniguchi

PHYSICAL REVIEW B, 102(10) 104435, Sep, 2020 Peer-reviewedLead authorCorresponding author
Tunable Magnon-Magnon Coupling Mediated by Dynamic Dipolar Interaction in Synthetic Antiferromagnets

Yoichi Shiota, Tomohiro Taniguchi, Mio Ishibashi, Takahiro Moriyama, Teruo Ono

Physical Review Letters, 125(1) 017203, Jul 1, 2020 Peer-reviewed

Misc.

Identification of chaos in spin-torque oscillator from evaluation of noise limit

谷口知大, 窪田智之, 上牧暎, 常木澄人, 中嶋浩平, GROLLIER Julie, CROS Vincent, 薬師寺啓, 福島章雄, 湯浅新治, 久保田均

応用物理学会秋季学術講演会講演予稿集(CD-ROM), 82nd, 2021
Physical Reservoir Computing Using Spin Torque Oscillator

Sumito Tsunegi, Tomohiro Taniguchi, Shinji Miwa, Kohei Nakajima, Hitoshi Kubota

Magnetics Japan, 14(6) 335-340, Dec, 2019 Peer-reviewedInvited
磁化ダイナミクスにおける自己発振状態への時間変化

伊藤貴博, 内海裕洋, 谷口知大

日本物理学会講演概要集(CD-ROM), 72(1), 2017
磁化ダイナミクスにおける自己発振

伊藤貴博, 内海裕洋, 谷口知大

日本物理学会講演概要集(CD-ROM), 71(1), 2016
Theory of spin torque switching in a thermally activated region

Tomohiro Taniguchi

Oyo Buturi, 83(7) 543-546, Jul, 2014 Peer-reviewedInvitedLead authorCorresponding author
28aAF-9 Current-pulse duration-time dependence of spin torque switching probability

Taniguchi T., Imamura H.

Meeting abstracts of the Physical Society of Japan, 69(1) 511-511, Mar 5, 2014
非保存電流誘起スピントルクによる微小磁化反転と揺らぎの定理

内海裕洋, 谷口知大

日本物理学会講演概要集, 69(2), 2014
Statistical analysis of switching current distributions of in-plane magnetized magnetic tunnel junctions.

Imamura Hiroshi, Ohtori Hiroyuki, Arai Hiroko, Taniguchi Tomohiro, Fukushima Akio

Meeting abstracts of the Physical Society of Japan, 68(2) 425-425, Aug 26, 2013
28pXY-4 Theoretical analysis of true random number generator using spin torque

Imamura Hiroshi, Arai Hiroko, Taniguchi Tomohiro, Fukushima Akio

Meeting abstracts of the Physical Society of Japan, 68(1) 553-553, Mar 26, 2013
28pXY-2 Theoretical study on the detection of a magnetic moment using spin torque oscillator

Arai Hiroko, Taniguchi Tomohiro, Imamura Hiroshi

Meeting abstracts of the Physical Society of Japan, 68(1) 553-553, Mar 26, 2013
面内磁化膜の熱アシスト・スピントルク磁化反転の理論的研究

谷口知大, 内海裕洋, MARTHALER Michael, GOLUBEV Dmitri, 今村裕志

日本物理学会講演概要集, 68(1), 2013
面内磁化膜のスピントルク磁化反転レイトの理論的研究

谷口知大, 内海裕洋, 今村裕志

日本物理学会講演概要集, 68(2), 2013
20aCC-9 Theoretical study of spin torque oscillator coupled with a nano-sized magnet via dipole-dipole interaction

Arai Hiroko, Taniguchi Tomohiro, Imamura Hiroshi

Meeting abstracts of the Physical Society of Japan, 67(2) 427-427, Aug 24, 2012
20aCC-8 Theoretical study on spin torque switching in thermally activated region

Taniguchi T., Imamura H.

Meeting abstracts of the Physical Society of Japan, 67(2) 426-426, Aug 24, 2012
ナノスケールのMRAMにおける熱揺らぎの研究

芝田光敏, 内海裕洋, MARTHALER Michael, 谷口知大, 今村裕志

日本物理学会講演概要集, 67(1), 2012
熱アシスト・スピントルク磁化反転の理論的研究

谷口知大, MARTHALER Michael, 内海裕洋, 福島章雄, 久保田均, 今村裕志, 湯浅新治

応用物理学会学術講演会講演予稿集(CD-ROM), 73rd, 2012
24aWP-8 Current induced magnetization dynamics of a domain wall

Arai Hiroko, Taniguchi Tomohiro, Imamura Hiroshi

Meeting abstracts of the Physical Society of Japan, 65(2) 377-377, Aug 18, 2010
20pGJ-14 Theoretical study on magnetoresistance effect in spin spiral

Taniguchi T., Imamura H.

Meeting abstracts of the Physical Society of Japan, 65(1) 469-469, Mar 1, 2010
26aVD-6 Theoretical study on effects of spin pumping on ferromagnetic resonance in ferromagnetic multilayers

Taniguchi T., Imamura H.

Meeting abstracts of the Physical Society of Japan, 64(2) 360-360, Aug 18, 2009
Spin dynamics in spin torque magnetization reversal

ANDO Y, AOKI T, TAMAGAWA T, WATANABE D, MIZUKAMI S, YAKATA S, TANIGUCHI T, IMAMURA H, NAGANUMA H, OOGANE M, INAMI N, MIYAZAKI T

Bulletin of Topical Symposium of the Magnetics Society of Japan, 165 25-30, Mar 13, 2009

Books and Other Publications

Reservoir Computing: Theory, Physical Implementations, and Applications

Tomohiro Taniguchi, Sumito Tsunegi, Shinji Miwa, Keisuke Fujii, Hitoshi Kubota, Kohei Nakajima (Role: Contributor, Reservoir Computing Based on Spintronics Technology (Chapter 14))

Springer, Sep, 2021

Presentations

211

Magnetization process of a single MTJ cell in artificial spin ice

Hitoshi Kubota, Sumito Tsunegi, Kay Yakushiji, Tomohiro Taniguchi, Shingo Tamaru, Tatsuya Yamamoto, Atsushi Sugihara, Hikaru Nomura, Yoshishige Suzuki

The 70th JSAP Spring Meeting, Mar 15, 2023
Fabrication of artificial spin ice lattices for reservoir computing

Hitoshi Kubota, Kay Yakushiji, Tomohiro Taniguchi, Shingo Tamaru, Tatsuya Yamamoto, Sumito Tsunegi, Atsushi Sugihara, Hikaru Nomura, Yoshishige Suzuki

The 4th International Symposium on Neuromorphic AI Hardware, Dec 13, 2022
スピンオービトロニクス

Tomohiro Taniguchi

第21回スピントロニクス入門セミナー, Nov 17, 2022 Invited
Brain-Inspired Computing by Chaotic Spin-Torque Oscillators

Tomohiro Taniguchi, Sumito Tsunegi, Terufumi Yamaguchi, Akira Kamimaki, Nozomi Akashi, Tomoyuki Kubota, Kohei Nakajima, Hirofumi Notsu, Masato Kimura, Hiroshi Tsukahara, Julie Grollier, Vincent Cros, Kay Yakushiji, Akio Fukushima, Shinji Yuasa, Hitoshi Kubota

67th Annual Conference on Magnetism and Magnetic Materials (MMM 2022), Nov 3, 2022 Invited
Computational capability of physical reservoir computing in spin torque oscillator with two free layers

Terufumi Yamaguchi, Sumito Tsunegi, Tomohiro Taniguchi

67th Annual Conference on Magnetism and Magnetic Materials (MMM 2022), Nov 2, 2022
Echo State Property in Vortex Spin Torque Oscillator

Yusuke Imai, Sumito Tsunegi, Kohei Nakajima, Tomohiro Taniguchi

67th Annual Conference on Magnetism and Magnetic Materials (MMM 2022), Nov 1, 2022
Clarifying the Origin of Charge-to-Spin Conversion in Ferromagnets

Yuki Hibino, Tomohiro Taniguchi, Kay Yakushiji, Akio Fukushima, Hitoshi Kubota, Shinji Yuasa

67th Annual Conference on Magnetism and Magnetic Materials (MMM 2022), Nov 1, 2022 Invited
Bifurcations and information-processing capability in physical reservoir computing: Case studies of pneumatic artificial muscles and spintronics devices

Nozomi Akashi, Yasuo Kuniyoshi, Sumito Tsunegi, Tomohiro Taniguchi, Mitsuhiro Nishida, Ryo Sakurai, Yasumichi Wakao, Kenji Kawashima, Kohei Nakajima

82nd Workshop: Unconventional Computing: Materials, Science, Informatics, Hardware, Software, Oct 23, 2022
A phenomenological approach on self-induced spin-orbit torque in a ferromagnet with composition gradient

Tomohiro Taniguchi, Yuki Hibino, Shingo Tamaru, Kay Yakushiji, Hitoshi Kubota, Shinji Yuasa

The 83rd JSAP Autumn Meeting, 2020, Sep 22, 2022
Observation of self-induced Spin-Orbit Torque via vertical composition gradient

Yuki Hibino, Tomohiro Taniguchi, Shingo Tamaru, Kay Yakushiji, Hitoshi Kubota, Shinji Yuasa

The 83rd JSAP Autumn Meeting, 2020, Sep 21, 2022
The effect of fine pattern on the magnetization process in in-plain magnetized forromagnets

Hitoshi Kubota, Kay Yakushiji, Tomohiro Taniguchi, Shingo Tamaru, Tatsuya Yamamoto, Sumito Tsunegi, Atsushi Sugihara, Hikaru Nomura, Yoshishige Suzuki

The 83rd JSAP Autumn Meeting, 2020, Sep 21, 2022
Associative memory operation using spin torque oscillator

Sumito Tsunegi, Tomohiro Taniguchi, Kay Yakushiji, Shinji Yuasa, Hitoshi Kubota

The 83rd JSAP Autumn Meeting, 2020, Sep 20, 2022
Reservoir Computing Capability of Spintronic Devices with Multiple Free Layers

Terufumi Yamaguchi, Sumito Tsunegi, Tomohiro Taniguchi

International Colloquium on Magnetic Films and Surface (ICMFS 2022), Jul 14, 2022
Magnetic Tunnel Junction Arrays with Artificial Spin Ice Structure

Hitoshi Kubota, Kay Yakushiji, Tomohiro Taniguchi, Shingo Tamaru, Tatsuya Yamamoto, Sumito Tsunegi, Atsushi Sugihara, Kwan Hon, Hikaru Nomura, Yoshishige Suzuki

International Colloquium on Magnetic Films and Surface (ICMFS 2022), Jul 12, 2022
Echo state property of spin torque oscillator at finite temperature

Yusuke Imai, Sumito Tsunegi, Kohei Nakajima, Tomohiro Taniguchi

International Colloquium on Magnetic Films and Surface (ICMFS 2022), Jul 12, 2022
Theory of Stochastic Input-driven Synchronization in Spin-Torque Oscillator

Tomohiro Taniguchi, Yusuke Imai, Sumito Tsunegi, Kohei Nakajima

International Colloquium on Magnetic Films and Surface (ICMFS 2022), Jul 11, 2022
Interfacial Band Engineering Effect of Spin-to-Charge Interconversion in Ferromagnet

Yuki Hibino, Tomohiro Taniguchi, Kay Yakushiji, Akio Fukushima, Hitoshi Kubota, Shinji Yuasa

International Colloquium on Magnetic Films and Surface (ICMFS 2022), Jul 11, 2022
Control of Stochastic Response in Spin-Torque Oscillator

Sumito Tsunegi, Tomohiro Taniguchi, Kay Yakushiji, Akio Fukushima, Shinji Yuasa, Hitoshi Kubota

International Colloquium on Magnetic Films and Surface (ICMFS 2022), Jul 11, 2022
Theory of reservoir computing by using spin torque oscillator at finite temperature

Yusuke Imai, Sumito Tsunegi, Kohei Nakajima, Tomohiro Taniguchi

The 69th JSAP Spring Meeting, Mar 25, 2022
Echo State Property in Spin Torque Oscillator at Zero Temperature

Tomohiro Taniguchi, Yusuke Imai, Sumito Tsunegi, Kohei Nakajima

The 69th JSAP Spring Meeting, Mar 25, 2022

Professional Memberships

Research Projects

Development of artificial intelligence hardware using magnetic tunnel junctions

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S), Japan Society for the Promotion of Science, Aug, 2020 - Mar, 2025
非線形解析に基づくマイクロ波アシスト磁化反転の理論構築

KAKENHI Grant-in-Aid for Young Scientists (B), JSPS, Apr, 2016 - Mar, 2019

Tomohiro Taniguchi
熱活性領域におけるスピントルク磁化反転の理論的研究

KAKENHI Grant-in-Aid for Young Scientists (B), JSPS, Apr, 2013 - Mar, 2016

Tomohiro Taniguchi
ナノ物質における電荷・スピン伝導の理論的研究

PD, JSPS, Apr, 2011 - Jun, 2011

Tomohiro Taniguchi
強磁性体における磁化ダイナミクスとスピン伝導の理論的研究

DC1, JSPS, Apr, 2008 - Mar, 2011

Tomohiro Taniguchi

Industrial Property Rights

特許第7137837号マイクロ波センサ

谷口知大, 福島章雄, 久保田均, 田丸慎吾
特開2021-157402 磁気ドットアレイおよび磁気ドットアレイ計算素子

久保田均, 福島章雄, 薬師寺啓, 野崎隆行, 野崎友大, 常木澄人, 谷口知大, 田丸慎吾, 杉原敦
特許第6643612号高周波発振器

谷口知大, 久保田均, 福島章雄

Media Coverage

Beyond 5G 世代向け超小型発振器の設計指針を確立 ~スピントロニクス技術で小型、周波数可変、室温動作可能なミリ波発振器を実現~

Kyushu University, Jul 15, 2022 Internet
磁性材料におけるスピン変換の機構を解明

National Institute of Advanced Industrial Science and Technology (AIST), Oct 29, 2021 Internet
反強磁性体における磁気振動モードの結合を発見

Kyoto University, National Institute of Advanced Industrial Science and Technology (AIST), Jul 2, 2020 Internet
異常ホール効果による磁化スイッチングに成功

Tohoku University, Oct 21, 2019 Internet
産総研、物理リザバー計算用AIハードウェア実現へ

EE Times Japan, Apr 24, 2019 Internet
ナノ磁石を用いたリザバー計算の性能を向上

National Institute of Advanced Industrial Science and Technology (AIST), Apr 22, 2019 Internet
次世代不揮発性磁気メモリーの新しい記録技術を開発

National Institute of Advanced Industrial Science and Technology (AIST), Feb 13, 2018 Internet
異常ホール効果を利用した、不揮発性メモリーの新しい記録技術開発

Nature Electronics, Feb, 2018 Internet
半導体ダイオードの３倍感度のスピンダイオードを開発！

National Institute of Advanced Industrial Science and Technology (AIST), Oct 21, 2013 Internet

Profile Information

Research Areas

Research History

Education

Committee Memberships

Awards

Papers

Misc.

Books and Other Publications

Presentations

Professional Memberships

Research Projects

Industrial Property Rights

Media Coverage

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