Antonia left after the three months of stay
Ms. Antonia Niklasch (Visiting Student (MC)) returned to Johannes Gutenberg University Mainz after three months stay.
Paper on thermal fluctuation of chiral antiferromagnets published in Phys. Rev. Lett
Our paper “Electrically Tunable Picosecond-Scale Octupole Fluctuations in Chiral Antiferromagnets” by S. T. Konakanchi, S. Banerjee, M. M. Rahman, Y. Yamane, S. Kanai, S. Fukami, and P. Upadhyaya was published in Physical Review Letters.
The paper was selected as the Editor’s Suggestion.
Veronika left after the three weeks of stay
Ms. Veronika Růžičková (Visiting Student (BC)) returned to the Czech Technical University after three weeks stay.
Prof. Fukami awarded the KDDI Foundation Award 2025
Professor Shunsuke Fukami is awarded the KDDI Foundation Award 2025 for outstanding studies on “Spintronics for energy-efficient information technologies”. Congratulations! The award ceremony will be held on October 22nd in Tokyo.
Paper on size dependence of SAF-s-MTJ published in Appl. Phys. Lett.
Our paper “Size dependence of the properties of synthetic-antiferromagnet-based stochastic magnetic tunnel junctions for probabilistic computing” by T. Kinoshita, J-Y. Yoon, N. Caçoilo, R. Mochizuki, H. Kaneko, S. Kanai, H, Ohno, and S. Fukami was published in Appl. Phys. Lett.
Presentation given in the 86th JSAP Autumn Meeting 2025
Our members, Assoc. Prof. J. Han, Dr. Marui, Uchimura (D3), Sato (D2), Kino (M2), Saijo (M2), Iida (M1), and Nihei (M1) attended the 86th JSAP Autumn Meeting 2025 held in Meijo University in Aichi Prefecture and gave presentations.
Rishi joined us as a Visiting Student
Mr. Rishi Saddani of Imperial College London joined us as a Visiting Student (DC).
Veronika joined us as a Visiting Student
Ms. Veronika Růžičková of the Czech Technical University joined us as a Visiting Student (BC).
Paper on high-speed control of Mn3Sn published in Science
Our paper “Electrical coherent drivingof chiral antiferromagnet” by Y. Takeuchi, Y. Sato, Y. Yamane, J-Y. Yoon, Y. Kanno, T. Uchimura, K. V. De Zoysa, J. Han, S. Kanai, J. Ieda, H. Ohno, and S. Fukami was published in Science.
(The link above is for a free-access website, in which you can see the entire article and download the pdf file regardless of the subscription.)
Press release: “Antiferromagnets Outperform Ferromagnets in Ultrafast, Energy-Efficient Memory Operations“
Presentation given in the SPIE Optics + Photonics
Our members, Prof. S. Kanai and Prof. Gas attended “SPIE Optics + Photonics” held in San Diego, CA, USA, on August 3-7 and gave presentations.
Prof. Dietl is awarded the Tohoku University International Award
Prof. Tomasz Dietl, who served as a Visiting Professor from 2018-2020, is awarded the Tohoku University International Award – Special Award. As part of Tohoku University’s Homecoming Day 2025, scheduled for Saturday, October 11 at the Tohoku University Centennial Hall (Kawauchi Hagi Hall), the university will host an award ceremony.
Congratulations, Prof. Dietl!
Mr. Chiba is awarded the Best Poster Award
Mr. Shunya Chiba (D3) is awarded the Best Poster Award for his poster presentation at the Swedish-Korean Orbitronics Workshop (SKOW 2025) for his presentation titled “Comparative Study of Current-Induced Torque in Cr/CoFeB/MgO and W/CoFeB/MgO”. Congratulations!
Paper on FMR in (Ga,Mn)N published in Physical Review B
Our paper “Ferromagnetic resonance in a magnetically dilute percolating ferromagnet: An experimental and theoretical study” by Y. K. Edathumkandy, K. Das, K. Gas, D. Sztenkiel, D. Hommel, H. Przybylińska, and M. Sawicki was published in Physical Review B.
A paper on 2D-FM Fe3GeTe2 published in Applied Physics Letters
Our paper “Unraveling effects of competing interactions and frustration in vdW ferromagnetic Fe3GeTe2 nanoflake devices” by R. R. Chowdhury, D. Kurebayashi, J. Lustikova , O. A.Tretiakov, S. Fukami, R. P. Singh, and S. DuttaGupta was published in Applied Physics Letters.
Antonia joined us as a Visiting Student
Ms. Antonia Niklasch of Johannes Gutenberg University Mainz joined us as a Visiting Student (MC).
Paper by Dr. Sud et al. published in Physical Review Letters
Our paper “Electrically Controlled Nonlinear Magnon-Magnon Coupling in a Synthetic Antiferromagnet” by A. Sud, K. Yamamoto, S. Iihama, K. Ishibashi, S. Fukami, H. Kurebayashi, and S. Mizukami was published in Physical Review Letters.
Press release: “Observation of Rabi-like Splitting Under Electrical Control in Artificial Magnets”
Mr. Uchimura returned from the Czech Academy of Sciences
Tomohiro Uchimura (D3) returned from Czech Academy of Sciences after a three-months overseas training.
In addition, a paper titled “Single-crystalline CrSb(0001) thin films grown by dc magnetron co-sputtering” containing his contributions during the overseas training was published on June 3 in Physical Review Materials.
Participated in the International Workshop on Ising Machines – 2025 and the Second Workshop on the Chicago-Tohoku Quantum Alliance
Our members, Prof. Fukami, Prof. Kanai, Dr. Nuno Cacoilo, Haruna Kaneko (D1), Manato Kawahara (D1), Takuma Kinoshita (M2), Yoshiki Maeda (M1), Prof. Ohno, Prof. Akerman, attended the International Workshop on Ising Machines – 2025 held in Evanston, IL, USA on May 13-15 and Second Workshop on the Chicago-Tohoku Quantum Alliance held in the University of Chicago, IL, USA on May 15-16, and gave presentations.
Paper by Prof. Fukami et al. published in npj Spintronics
Our paper “Spintronic memristors for computing” by Q. Shao, Z. Wang, Y. Zhou, S. Fukami, D. Querlioz, and L. O. Chua was published in npj Spintronics.
Presentation given in The 7th International Conference of Asian Union of Magnetics Societies (IcAUMS 2025)
Our members, Prof. S. Fukami, Assoc. Prof. J. Han, T. Kinoshita (M2), and T. Tasaki (M2) attended “The 7th International Conference of Asian Union of Magnetics Societies (IcAUMS 2025)” held in Okinawa Prefecture, on April 21-23 and gave presentations.
Mr. Chiba left for the University of Gothenburg
Shunya Chiba (D3) leaves for the University of Gothenburg for an overseas training.
Paper by Prof. Yamane et al. published in Physical Review B
Our paper “Interfacial Dzyaloshinskii-Moriya interaction in nonmagnetic/noncollinear-antiferromagnetic bilayers” by Y. Yamane, Y. Araki, and S. Fukami was published in Physical Review B.
Paper by Prof. Gas et al. published in APL Materials
Our paper “Magnetic phase diagram of Mn3+xSn1−x epitaxial thin films: Extending the anomalous Hall effect to low temperatures via intrinsic alloying” by K. Gas, J.-Y. Yoon, Y. Sato, H. Kubota, P. Dłużewski, S. Kret, J. Z. Domagala, Y. K. Edathumkandy, Y. Takeuchi, S. Kanai, H. Ohno, M. Sawicki, and S. Fukami was published in APL Materials.
Prof. Dohi awarded the Funai Information Technology Award for Young Researchers
Assistant Professor Takaaki Dohi is awarded the Funai Information Technology Award for outstanding studies on “Pioneering Antiferromagnetic Skyrmionics”. Congratulations!
Prof. Kanai awarded Funai Information Technology Award for Young Researchers
Associate Professor Shun Kanai is awarded the Funai Information Technology Award for outstanding studies on “Unconventional Electronic Devices Based on Spin Dynamics”. Congratulations!
Dr. Kawarazaki joined us as a JSPS Post-doctoral Fellow
Dr. Ryo Kawarazaki joined us as a JSPS Post-doctoral Fellow.
Ms. Kaneko awarded the Outstanding Student Award of the Group of Electrical Engineering Communication Engineering, Electronic Engineering and Information Engineering
Ms. Kaneko (D1) is awarded the Outstanding Student Award of the Group of Electrical Engineering, Communication Engineering, Electronic Engineering and Information Engineering. Congratulations!
Mr. Kubota, Mr. Kurihara, and Mr. Takano took off
Mr. Kubota, Mr. Kurihara, and Mr. Takano received the Master Degree of Engineering. Congratulations! We wish your great success in the future!
Mr. Nihei awarded the Dean’s Award of the School of Engineering
Mr. Nihei (B4) is awarded the Dean’s Award of the School of Engineering. Congratulations!
Presentation given in the APS Global Physics Summit 2025
Our members, Assoc. Prof. S. Kanai, Assoc. Prof. Y. Yamane, M. Kawahara (D1) attended the”APS Global Physics Summit 2025“held in Anaheim, California, USA , on March16-21 and gave presentations.
Mr. Uchimura left for the Czech Academy of Sciences
Tomohiro Uchimura (D3) leaves for the Institute of Physics of the Czech Academy of Sciences for an overseas training.
Dr. Lagarrigue is awarded the Best Poster Award
Dr. Aurelien Lagarrigue (Postdoctoral Fellow) is awarded the Best Poster Award for his presentation at the “The Future of Computing: Perspective” held on 2025/2/25-28.
The title of the awarded presentation is “Analog control of antiferromagnet/ferromagnet magnetic tunnel junctions through spin-orbit torque”.
Congratulations!
(Photographs at the ceremony, and the certificate and supplementary prize)
“The Future of Computing: Perspectives” held
The international symposium “The Future of Computing: Perspectives” was held on 2025/2/25-28. It was organised as a joint conference of The 21st RIEC International Workshop on Spintronics, The 13th RIEC International Symposium on Brain Functions and Brain Computer (BFBC2025), and The 4th Symposium on Multicellular Neurobiocomputing. We invited the world leading researchers promoting pioneering research in spintronics, other solid-state devices, silicon integrated circuits, optical and quantum technologies, neuroscience, etc., and had lively discussions for the realization of future computers with high performance and energy efficiency.
A total of 246 participants (including 92 online), from a total of 18 countries and regions, attended the conference, which consisted of 36 invited talks (9 of which were keynote talks), 7 general oral talks and 50 poster presentations.
We appreciate all the presenters and participants.
Paper by Mr. Uchimura et al. published in Physical Review Letters
Our paper “Unconventional Spin Hall Magnetoresistance in Noncollinear Antiferromagnet/Heavy Metal Stacks” by T. Uchimura, J. Han, P. Tang, J.-Y. Yoon, Y. Takeuchi, Y. Yamane, S. Kanai, G. E. W. Bauer, H. Ohno, and S. Fukami was published in Physical Review Letters.
Edourd left after six month of stay
Mr. Edouard Kremer (Visiting Student) returned to the University of Lorraine after six months stay.
Presentation given in the 5th IEEE Conference on Advances in Magnetics (IEEE-AIM2025)
Our members, Prof. Shunsuke Fukami, Mr. Tomohiro Uchimura (D3), Mr. Yuma Sato (D2), and Ms. Haruna Kaneko (D1) attended the 5th IEEE Conference on Advances in Magnetics (IEEE-AIM2025) held in Bressanone, Italy on February 9-12, and gave presentations.
Ms. Kaneko is awarded the Best Poster Award
Ms. Haruna Kaneko (D1) is awarded the Best Poster Award for her poster presentation at the 5th IEEE Conference on Advances in Magnetics (IEEE-AIM2025). Congratulations!
(Prof. Fukami received the award certificate on behalf of Ms. Kaneko, who returned to Japan earlier due to the next commitment.)
Paper by Prof. Han et al. published in Newton (Cell Press)
Our paper “Unconventional responses in non-collinear antiferromagnets” by J. Han, J-Y. Yoon, H. Ohno and S. Fukami was published in Newton (Cell Press).
Paper by Dr. Ju-Young Yoon et al. published in Nature Communications
Our paper “Electrical mutual switching in a noncollinear-antiferromagnetic–ferromagnetic heterostructure” by J-Y. Yoon, Y. Takeuchi, R. Takechi, J. Han, T. Uchimura, Y. Yamane, S. Kanai, J. Ieda, H. Ohno, and S. Fukami was published in Nature Communications.
Press release: “New AI Function on the Horizon Thanks to Electrically Programmable Spintronic Device“
Paper by Mr. Uchimura et al. published in Physical Review Letters
Our paper “Unconventional Spin Hall Magnetoresistance in Noncollinear Antiferromagnet/Heavy Metal Stacks” by T. Uchimura, J. Han, P. Tang, J.-Y. Yoon, Y. Takeuchi, Y. Yamane, S. Kanai, G. E. W. Bauer, H. Ohno, and S. Fukami was published in Physical Review Letters.
Dr. Ju-Young Yoon took off
Dr. Ju-Young Yoon (received Ph. D. in 2023) resigned from the Specially-Appointed Research Fellow of RIEC and left for Switzerland to be assigned to a Researcher at the ETH Zurich. We wish you great success!
Dr. Diaz joined us as a Postdoctoral Fellow
Dr. Eva Diaz joined us as a Postdoctoral Fellow.
Presentation given in The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag (MMM-Intermag 2025)
Our members, Prof. Fukami, Assoc. Prof. Jiahao Han, Visiting Prof. Mike Sawicki, Assist. Prof. Katarzyna Gas, Dr. Aurelien Lagarrigue, Dr. Ju-Young Yoon, Mr. Yuma Sato (D2), Ms. Haruna Kaneko (D1) attended the The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag (MMM-Intermag 2025) held in New Orleans, USA on January 13-17, and gave presentations.
In addition, an award ceremony for Dr. Jiahao Han who received the IEEE Magnetics Society Early Career Award was held during the conference.
Prof. Han awarded the IEEE Magnetics Society Early Career Award
Associate Professor Jiahao Han (AIMR) is awarded the IEEE Magnetics Society Early Career Award for outstanding studies on controlling magnonic and nonlinear electronic transport by magnetic textures, and on implementing topological insulators to achieve room-temperature efficient magnetic switching.
The award ceremony will take place in the 16th Joint Conference on Magnetism and Magnetic Materials and Intermag to be held in New Orleans, USA, on January 13-17, 2025.
He will be the first awardee in Japanese institutions. Huge congratulations!
Presentation given in the 70th Annual IEEE International Electron Devices Meeting (IEDM 2024)
Our collaborative research with UC Santa Barbara “Beyond Ising: Mixed Continuous Optimization with Gaussian Probabilistic Bits using Stochastic MTJs” by N. S. Singh, C. Delacour, S. Niazi, K. Selcuk, D. Golenchenko, H. Kaneko, S. Kanai, H. Ohno, S. Fukami and K. Y. Camsari was presented in the 70th Annual IEEE International Electron Devices Meeting (IEDM 2024) on December 10th in San Francisco.
Press release: “Researchers Develop Spintronics Platform for Energy-Efficient Generative AI“
“SpinX 2024 : Harnessing Spintronics for Tomorrow’s Technology” held
An international workshop: “SpinX 2024 : Harnessing Spintronics for Tomorrow’s Technology” was held from December 9th to 10th. Fusion of spintronics with something X (= magnon, skyrmion, computing, etc.) was actively discussed by 41 participants in total.
“CRCGP-MSSP 2024 (The 8th Symposium for the Core Research Clusters for Materials Science and Spintronics and the 7th Symposium on International Joint Graduate Programs in Materials Science and Spintronics)” held
An International Symposium: “CRCGP-MSSP 2024 (The 8th Symposium for the Core Research Clusters for Materials Science and Spintronics and the 7th Symposium on International Joint Graduate Programs in Materials Science and Spintronics)” was held from November 18th to 21st.
We had 344 participants from 17 countries and regions.
“THE FUTURE OF COMPUTING: PERSPECTIVES” will be held
We are pleased to announce the “21st RIEC International Workshop on Spintronics” that will be held as a part of a joint symposium “THE FUTURE OF COMPUTING: PERSPECTIVES” on February 25-28, 2025, at Tohoku University, Sendai, Japan.
The objective of this symposium is to provide an opportunity to discuss the future of computing by a variety of researchers studying unconventional computers. The symposium will be constructed by multidisciplinary sessions consisting of speakers from different fields and focused sessions for silicon technologies, spintronics, and neurobiocomputing.
For details, please see the website of the symposium:
https://www.nanospin.riec.tohoku.ac.jp/RIEC_Sympo/index.html
“SpinX 2024 : Harnessing Spintronics for Tomorrow’s Technology” will be held
We are pleased to announce an international workshop “SpinX 2024 : Harnessing Spintronics for Tomorrow’s Technology” to be held on December 9-10 at Tohoku University. Magnonics, spin-orbit torque, neuromorphic computing, skyrmionics, etc. will be discussed.
For details, please see the website of the symposium:
https://sites.google.com/view/spinx2024/home
Paper by Mr.Chiba et al. published in Nano Letters
Our paper “Comparative Study of Current-Induced Torque in Cr/CoFeB/MgO and W/CoFeB/MgO” by S. Chiba, Y. Marui, H. Ohno, and S. Fukami was published in Nano Letters.