Dr. Ju-Young Yoon is awarded the Graduate School of Engineering Award
Dr. Ju-Young Yoon has awarded the Graduate School of Engineering Award. Congratulations!
Prof.Hideo Ohno’s final lecture and retirement party
Prof.Hideo Ohno, President of Tohoku University’s final lecture and a retirement party were held.
The final lecture was given in a hybrid, in-person at conference room of the Nano-Spin Research Building and online.
The title of the lecture was “Walking with Spintronics”, lasted about 70 minutes.
The venue was almost full of audience.Online attendees also reached the maximum capacity of 300.
After that, the retirement party was held at Sendai Kokusai Hotel.
The party was also great success.
Prof.Hideo Ohno’s final lecture and retirement party
Prof.Hideo Ohno’s final lecture and retirement party were held. For more information, click on the “Events” page.
Paper published in Nanoscale
Our paper “Wurtzite vs. rock-salt MnSe epitaxy: electronic and altermagnetic properties” by M. J. Grzybowski, C. Autieri, J. Domagala, C. Krasucki, A. Kaleta, S. Kret, K. Gas, M. Sawicki, R. Bożek, J. Suffczyński, and W. Pacuski was published in Nanoscale.
Ski trip
We went to Inawashiro Ski on March 1-2.
We had so much fun skiing and snowboarding, including Prof. Fukami’s family.
Some of us enjoyed sightseeing around Inawashiro City.
Robin joined us as a Visiting Student
Mr. Robin Tietgen of Johannes Gutenberg University Mainz joined us as a Visiting Student.
Paper published in Nature Communications
Our paper “Homochiral antiferromagnetic merons, antimerons and bimerons realized in synthetic antiferromagnets” by M. Bhukta, T. Dohi, V. K. Bharadwaj, R. Zarzuela, M.-A. Syskaki, M. Foerster, M. A. Niño, J. Sinova, R. Frömter, and M. Kläui was published in Nature Communications.
Press release (external cite): Merons realized in synthetic antiferromagnets
farewell party
We held a farewell party for members who are going to graduate this March( Abe san, Ota san, Shinoda san, Sumith san, Mochizuki san).
Paper published in Applied Physics Letters
Our paper “Magneto-ionic modulation of the interlayer exchange interaction in synthetic antiferromagnets” by M.-A. Syskaki, T. Dohi, B. Bednarz, S. O. Filnov, S. A. Kasatikov, M. Bhukta, A. Smekhova, R. Pachat, J. W. van der Jagt, S. Ono, D. Ravelosona, J. Langer, M. Kläui, L. H. Diez, and G. Jakob was published in Applied Physics Letters.
Dr. Cacoilo joined us as a JSPS Post-doctoral Fellow
Dr. Nuno Cacoilo joined us as a JSPS Postdoctoral Fellow.
Prof. Kanai’s RESEARCH HIGHLIGHT posted on the website of Advanced Institute for Materials Research (AIMR)
Associate Professor Kanai’s RESEARCH HIGHLIGHT has been posted on the website of Advanced Institute for Materials Research (AIMR), Tohoku University.
Paper published in npj Spintronics
Our paper “Single-nanometer CoFeB/MgO magnetic tunnel junctions with high-retention and high-speed capabilities” by J. Igarashi, B. Jinnai, K. Watanabe, T. Shinoda, T. Funatsu, H. Sato, S. Fukami, and H. Ohno was published in npj Spintronics.
Press release: “Tailoring to Various Applications with Single-nanometer Magnetic Tunnel Junction Technology“
Paper by Mr. Shinoda et al. published in IEEE Electron Device Letters
Our paper “Pitch Scaling Prospect of Ultra-Small Magnetic Tunnel Junctions for High-Density STT-MRAM: Effects of Magnetostatic Interference from Neighboring Bits” by T. Shinoda, J. Igarashi, B. Jinnai, S. Fukami, H Ohno was published in IEEE Electron Device Letters.
The year-end party
We held the year-end party together with welcome party for Aurelien and new Bachelor 3rd grade students.
Presentation given in the 69th Annual IEEE International Electron Devices Meeting (IEDM 2023)
Our collaborative research with UC Santa Barbara “Hardware Demonstration of Feedforward Stochastic Neural Networks with Fast MTJ-based pbits” by N. S. Singh, S. Niazi, S. Chowdhury, K. Selcuk, H. Kaneko, K. Kobayashi, S. Kanai, H. Ohno, S. Fukami, K. Camsari was presented in the 69th Annual IEEE International Electron Devices Meeting (IEDM 2023) on December 12th in San Francisco.
Press release: “Researchers Develop Spintronic Probabilistic Computers Compatible with Current AI“
“The 20th RIEC International Workshop on Spintronis” held
The 20th RIEC International Workshop on Spintronis was held as a part of the 7th Symposium for the Core Research Clusters for Materials Science and Spintronics and the 6th Symposium on International Joint Graduate Program in Materials Science and Spintronics.
61 oral presentations and 91 poster presentations were given and the number of total participants were 292.
Prof. Ohno (President of Tohoku University) received an honorary doctorate from the University of Warsaw
Prof. Ohno (President of Tohoku University) received an honorary doctorate from the University of Warsaw. The ceremony took place on 13th November in Warsaw, where Prof. Fukami also attended.
Paper published in ACS Applied Materials and Interfaces
Our paper “Directed Self-Assembly of Diamond Networks in Triblock Terpolymer Films on Patterned Substrates” by D. Abdelrahman, R. Iseli, M. Musya, B. Jinnai, S. Fukami, T. Yuasa, H. Sai, U. B. Wiesner, M. Saba, B. D. Wilts, U. Steiner, J. Llandro, and I. Gunkel was published in ACS Applied Materials and Interfaces.
Aurelien joined us as a Postdoctoral Fellow
Dr. Aurelien Lagarrigue joined us as a Postdoctoral Fellow.
Paper published in Materials Today
Our paper “Spintronic devices for high-density memory and neuromorphic computing – A review” by B. Chen, M. Zeng, K. H. Khoo, D. Das, X. Fong, S. Fukami, S. Li, W. Zhao, S. S.P. Parkin, S.N. Piramanayagam, S. T. Lim was published in Materials Today.
Presentation given in the 68th Annual Conference on Magnetism and Magnetic Materials (MMM 2023)
Our members, Assoc. Prof. Kanai, Assist. Prof. Han, Mr. Uchimura (D2), Mr. Chiba (D1), Mr. Ota (M2), Mr. Shinoda (M2), Mr. Wakabayashi (M2), and Ms. Kaneko (M1), attended the 68th Annual Conference on Magnetism and Magnetic Materials (MMM 2023) held in Dallas, TX, USA on Oct. 30th – Nov. 3rd, and gave presentations.
Imoni
We held “Imoni party”, a traditional event in Tohoku region similar to barbecue.
Paper by Prof. Dohi et al. published in Nature Communications
Our paper “Enhanced thermally-activated skyrmion diffusion with tunable effective gyrotropic force” by T. Dohi, M. Weißenhofer, N. Kerber, F. Kammerbauer, Y. Ge, K. Raab, J. Zázvorka, M.-A. Syskaki, A. Shahee, M. Ruhwedel, T. Böttcher, P. Pirro, G. Jakob, U. Nowak & M. Kläui was published in Nature Communications.
Press release (external cite): Magnetic whirls pave the way for energy-efficient computing
Paper published in Nature Materials
Our paper “Handedness anomaly in a non-collinear antiferromagnet under spin–orbit torque” by Ju-Young Yoon, Pengxiang Zhang, Chung-Tao Chou, Yutaro Takeuchi, Tomohiro Uchimura, Justin T. Hou, Jiahao Han*, Shun Kanai, Hideo Ohno,Shunsuke Fukami, and Luqiao Liu was published in Nature Materials.
Press release: Unveiling the Anomalous Dynamics of Non-collinear Antiferromagnets
Zhaochu left after the three months of stay
Dr. Zhaochu Luo (Visiting Researcher) returned to Peking University after three months stay.
Paper published in Physical Review B
Our paper “Magnetic order in nanoscale gyroid networks” by Ami S. Koshikawa, Justin Llandro, Masayuki Ohzeki, Shunsuke Fukami, Hideo Ohno, and Naëmi Leo was published in Physical Review B.
Prof. Gas joined us as an Assistant Professor of CSIS
Dr. Katarzyna Gas joined us as an Assistant Professor of CSIS.
Kick-off meeting for the Johan Åkerman’s lab held
Kick-off meeting for the Johan Åkerman’s lab was held, in which researchers/students from the University of Gothenburg (Sweden) and the members of RIEC, Tohoku University attended.
lab tour held
As a satellite event of the Intermag 2023, held in Sendai from May 15th to 19th, a lab tour was held. Prof. Fukami gave a tour for about 90 participants.
“Workshop on Interdisciplinary Spin Physics” will be held
We will have Workshop on Interdisciplinary Spin Physics on June 1st.
This will be a fully onsite workshop at Laboratory for Nanoelectronics and Spintronics, RIEC, Tohoku University. Anyone is welcome to join free of charge with no need of registration.
Zhaochu joined us as a Visiting Researcher
Dr. Zhaochu Luo of Peking University joined us as a Visiting Researcher.
Hanami
We held a Cherry Blossom Viewing (Hanami party)!
“2nd Online RIEC International Workshop on Spintronics – Computing with Spintronics” held
The online session of the 2nd Online RIEC International Workshop on Spintronics – Computing with Spintronics was held. We had 322 registrants from 35 countries/regions (as of April 11). We are grateful to all the panelists, invited speakers, and registrants who actively joined the discussion.
You can watch the recorded video of the live session and invited talks on the on-demand site at least until the end of May 2023. Anyone who registered can access the on-demand page.
Prof. Llandro, Mr. Kanno, Mr. Kishi, Mr. Kobayashi took off
Prof. Justin Llandro (Assistant Professor), Mr. Kanno (MC), Mr. Kishi (MC), Mr. Kobayashi (MC) graduated. We hope for your success in your new place!
Prof. Fukami gave a seminar
Prof. Fukami gave a seminar entitled “Probabilistic Spintronics – Computing and Device Physics” at the On-line SPICE-SPIN+X Seminar held on March 29, 2023. The video of the seminar is posted on YouTube.
Mr. Kanno, Mr. Kishi, Mr. Kobayashi, and Mr. Chiba received the Master Degree
Mr. Kanno, Mr. Kishi, Mr. Kobayashi, and Mr. Chiba received the Master Degree. Congratulations!
Mr. Kobayashi is awarded President’s Prize
Mr. Keito Kobayashi (M2) is awarded the President’s Prize. Congratulations!
Mr. Borders is awarded Graduate School of Engineering Award
Mr. W. A. Borders (D3) is awarded the Graduate School of Engineering Award. Congratulations!
Paper by Mr. Sato et al. published in Applied Physics Letters
Our paper “Thermal stability of non-collinear antiferromagnetic Mn3Sn nanodot” by Y. Sato, Y. Takeuchi, Y. Yamane, J.-Y. Yoon, S. Kanai, J. Ieda, H. Ohno, and S. Fukami was published in Applied Physics Letters.
This paper is selected as a Featured Articles.
Paper by Mr. Han et al. published in Nature Materials
Our review paper “Coherent antiferromagnetic spintronics” by J. Han, R. Cheng, L. Liu, H. Ohno and S. Fukami was published in Nature Materials.
Press release: A New Chapter in Antiferromagnetic Spintronics is Unfolding
“The 2nd Online RIEC International Workshop on Spintronics Computing with Spintronics” will be held
The 2nd Online RIEC International Workshop on Spintronics – Computing with Spintronics will be held.
The workshop is free of charge, but registration is necessary from the website above. Registered participants can access the on-demand talks and the live session to be held on April 6th, 2023, 17:30-19:00 (JST), 10:30-12:00 (CEST). The on-demand talks will be released from late March.
Paper published in IEEE Journal on Exploratory Solid-State Computational Devices and Circuits
Our review paper on probabilistic computing “A full-stack view of probabilistic computing with p-bits: devices, architectures and algorithms” by S. Chowdhury, A. Grimaldi, N. A. Aadit, S. Niazi, M. Mohseni, S. Kanai, H. Ohno, S. Fukami, L. Theogarajan, G. Finocchio, S. Datta and K. Y. Camsari was published in the IEEE Journal on Exploratory Solid-State Computational Devices and Circuits.
Paper by Dr. Igarashi et al. published in Nature Materials
A research article “Optically induced ultrafast magnetization switching in ferromagnetic spin valves” by Dr. Junta Igarashi (an alumnus of Tohoku University and JSPS Overseas Research Fellowship) and Prof. Stephane Mangin (Professor at the University of Lorraine, Visiting Professor of the CSIS, Tohoku University) was published in Nature Materials. Congrats, Junta san!!
Press release: Sub-picosecond Magnetization Reversal in Rare-earth-free Spin Valves
“Meeting of the graduation research presentations” held
We hold a meeting of the graduation research presentations given by 4 students from Ikeda lab, Otsuka lab, and Fukami lab.
Dr. Marui joined us as a Postdoctoral Fellow
Dr. Yukihiro Marui joined us as a Postdoctoral Fellow.
Dr. Yoon and Prof. Takeuchi are awarded the JSAP Young Scientist Award
J.-Y. Yoon (D3) and Y. Takeuchi (Assistant Professor) was awarded the JSAP Young Scientist Award for their paper “Crystal orientation and anomalous Hall effect of sputter-deposited non-collinear antiferromagnetic Mn3Sn thin films” [Appl. Phys. Express 13, 013001 (2020)]. The ceremony and Young Scientist Award Speech will be held in the 70th JSAP Spring Meeting 2023. Congratulations!
Prof. Åkerman has been appointed to a post at the Research Institute of Electrical Communication (RIEC)
Professor Johan Åkerman, a professor of the University of Gothenburg in Sweden, has been appointed to a post at the Research Institute of Electrical Communication (RIEC) of Tohoku University through a Cross Appointment System, and has been named the “Professor, University Research Lead”.
He is going to head up a new laboratory “Innovative Spintronic Device Laboratory” and Professor Shunsuke Fukami will support the startup of the lab.
The announcement from Tohoku University is here.
Presentation given in the 68th Annual IEEE International Electron Devices Meeting (IEDM2022)
Our collaborative research with UC Santa Barbara and University of Messina entitled “Experimental evaluation of simulated quantum annealing with MTJ-augmented p-bits” by A. Grimaldi, K. Selcuk, N. A. Aadit, K. Kobayashi, Q. Cao, S. Chowdhury, G. Finocchio, S. Kanai, H. Ohno, S. Fukami and K. Y. Camsari was presented in the 68th Annual IEEE International Electron Devices Meeting (IEDM2022) on December 6th in San Francisco.
Press release: “Researchers Develop a Scaled-up Spintronic Probabilistic Computer”
Paper by Mr. Kobayashi et al. published in Physical Review Applied
Our paper “External-Field-Robust Stochastic Magnetic Tunnel Junctions Using a Free Layer with Synthetic Antiferromagnetic Coupling” by K. Kobayashi, K. Hayakawa, J. Igarashi, W. A. Borders, S. Kanai, H. Ohno and S. Fukami was published in Physical Review Applied.
Interview to Prof. Tetsuo Endoh of the CIES and Prof. Fukami published in Nature
An interview to Prof. Tetsuo Endoh of the CIES and Prof. Fukami was published online in an article titled “Spintronics enters the mainstream” as a part of “Focal Point on Nanotechnology in Japan” in Nature. PDF version of the printed article can be downloaded here.