Ekiden (long-distance relay race)
We participated in the 58th Ekiden race (long-distance relay race) of the Group of Electrical Engineering, Communication Engineering, Electronic Engineering, and Information Engineering. We came 4th out of 33 teams!
“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.
Imoni party
We held “Imoni party”, a traditional event in Tohoku region similar to barbecue. It was wonderful and everyone had a good time.
“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.
Fabian left after three month of stay
Mr. Fabian Kammerbauer (Visiting Student) returned to Johannes Gutenberg University Mainz after three months stay.
Paper by Prof. Fukami et al. published in IEEE Electron Devices Magazine
An application note “Impact of External Magnetic Fields on STT-MRAM” by the MRAM Technology Group including Prof. Fukami was published in IEEE Electron Devices Magazine.
Paper published in Communications Materials
Our paper “Electric-field manipulation of magnetization in an insulating dilute ferromagnet through piezoelectromagnetic coupling” by D. Sztenkiel, K. Gas, N. G. Szwacki, M. Foltyn, C. Śliwa, T. Wojciechowski, J.Z. Domagala, D. Hommel, M. Sawicki, and T. Dietl was published in Communications Materials.
Paper published in Applied Physics Letters
Our paper “Spin Hall magnetoresistance in Pt/(Ga,Mn)N devices” by J. A. M.-Rodarte, K. Gas, M. H-Zaldívar, D. Hommel, M. Sawicki, and M. H. D. Guimarães was published in Applied Physics Letters.
“Japanese–Polish Emerging Perspective Workshop – Toward the Quantum Computing” held
A workshop aiming at strategic collaborations between Poland and Tohoku University in the fields of spintronics, quantum science/materials, etc., “Japanese–Polish Emerging Perspective Workshop – Toward the Quantum Computing” was held on October 3-4.
Active discussion was took place by 21 researchers from Poland and 18 researchers from Tohoku University.
Victor joined us as a visiting student
Mr. Victor Huet joined us as a Double Degree Course Student between the University of Lorraine (France) and Tohoku University.
Paper published in Physical Review B
Our paper “Effect of nonlinear magnon interactions on stochastic magnetization switching” by M. Elyasi, S. Kanai, H. Ohno, S. Fukami, and G. E. W. Bauer was published in Physical Review B.
Paper published in ACS Nano
Our paper “Block Copolymer-Directed Single-Diamond Hybrid Structures Derived from X-ray Nanotomography” by K. Djeghdi, D. Karpov, S. N. Abdollahi, K. Godlewska, R. Iseli, M. Holler, C. Donnelly, T. Yuasa, H. Sai, U. B. Wiesner, U. Steiner, B. D. Wilts, M. Musya, S. Fukami, H. Ohno, A. Diaz, J. Llandro and I. Gunkel was published in ACS Nano.
Freya left after one month of stay
Dr. Freya Johnson (Visiting Researcher) returned to the University of Cambridge after one month stay.
Edouard joined us as a Visiting Student
Mr. Edouard Kremer of the University of Lorraine joined us as a Visiting Student.
Mr. Uchimura returned from TU Dortmund
Tomorhiro Uchimura (D2) returned from TU Dortmund after a three-months overseas training.
Freya joined us as a Visiting Researcher
Dr. Freya Johnson of the University of Cambridge joined us as a Visiting Researcher.
Paper published in Physical Review B
Our paper “Coexistence of antiferromagnetic cubic and ferromagnetic tetragonal polymorphs in epitaxial CuMnSb films” by A. Ciechan, P. Dłużewski, S. Kret, K. Gas, L. Scheffler, C. Gould, J. Kleinlein, M. Sawicki, L. W. Molenkamp, and P. Bogusławski was published in Physical Review B.
Fabian joined us as a Visiting Student
Mr. Fabian Kammerbauer of Johannes Gutenberg University Mainz joined us as a Visiting Student.
Paper published in Nature Electronics
Our paper “Nanoscale spin rectifiers for harvesting ambient radiofrequency energy” by R. Sharma, T. Ngo, E. Raimondo, A. Giordano, J. Igarashi, B. Jinnai, S. Zhao, J. Lei, Y.-X. Guo, G. Finocchio, S. Fukami, H. Ohno and H. Yang was published in Nature Electronics.
Press release:Turning Unused Signals Such as Wi-Fi Into Energy for Electronics
Paper published in Nature Nanotechnology
Our paper “High-resolution three-dimensional imaging of topological textures in nanoscale single-diamond networks” by D. Karpov, K. Djeghdi, M. Holler, S. Narjes Abdollahi, K. Godlewska, C. Donnelly, T. Yuasa, H. Sai, U. B. Wiesner, B. D. Wilts, U. Steiner, M. Musya, S. Fukami, H. Ohno, I. Gunkel, A. Diaz and J. Llandro was published in Nature Nanotechnology.
News release from Paul Scherrer Institute: Nanoimaging Reveals Topological Textures in Nanoscale Crystalline Networks
Paper by Mr. Kawahara et al. published in Applied Physics Express
Our paper “Polarization-dependent photoluminescence of Ce-implanted MgO and MgAl2O4” by M. Kawahara, Y. Abe, K. Takano, F. J. Heremans, J. Ishihara, S. E. Sullivan, C. Vorwerk, V. Somjit, C. P. Anderson, and G. Wolfowicz was published in Applied Physics Express.
This paper has been selected to “Spotlight”
https://iopscience.iop.org/journal/1882-0786/page/Spotlights
Press release:Exploring a New Qubit with the Gemstone Spinel
Paper by Mr. Ota et al. published in Applied Physics Letters
Our paper “Voltage-insensitive stochastic magnetic tunnel junctions with double free layers” by R. Ota, K. Kobayashi, K. Hayakawa, S. Kanai, K. Y. Çamsarı, H. Ohno, and S. Fukami was published in Applied Physics Letters.
Presentation given in the 22nd International Conference on Magnetism (ICM2024)
Our members, Prof. Ohno (Advisor), Prof. Fukami, Assit. Prof. Yamane, Dr. Cacoilo, Mr. Uchimura (D2), Mr. Chiba (D2), and Mr. Kurihara (M2) attended the 22nd International Conference on Magnetism (ICM2024) held in Bologna, Italy on June 30th – July 5th, and gave presentations.
Robin left after four month of stay
Mr. Robin Tietgen (Visiting Student) returned to Johannes Gutenberg University Mainz after four months stay.
Special Issue Prof. Fukami et. al served as Guest Editor published online in SPIN
A special issue titled “Special Issue on Spin Pumping and Spin-Orbit Torques in Magnetic Heterostructures” was published online in SPIN. Prof. Akash Kumar, Prof. Johan Åkerman, and Prof. Shunsuke Fukami served as Guest Editor for this issue.
Mr.Uchimura (D2) left for TU Dortmund
Tomohiro Uchimura (D2) leave for TU Dortmund for an overseas training.
Paper by Ms.Kaneko et al. published in Applied Physics Express
Our paper “Temperature dependence of the properties of stochastic magnetic tunnel junction with perpendicular magnetization” by H. Kaneko, R. Ota, K. Kobayashi, S. Kanai, M. Elyasi, G. E. W. Bauer, H. Ohno, and S. Fukami was published in Applied Physics Express.
Paper published in Physical Review Applied
Our paper “Double-free-layer stochastic magnetic tunnel junctions with synthetic antiferromagnets” by K. Selcuk, S. Kanai, R. Ota, H. Ohno, S. Fukami, and K. Y. Camsari was published in Physical Review Applied.
Paper published in ACS Applied Materials and Interfaces
Our paper “Collective Spin-Wave Dynamics in Gyroid Ferromagnetic Nanostructures” by M. Gołębiewski, R. Hertel, M. d’Aquino, V. Vasyuchka, M. Weiler, P. Pirro, M. Krawczyk, S. Fukami, H. Ohno, and J. Llandro was published in ACS Applied Materials and Interfaces.
Paper by Prof. Han et al. published in Nature Physics
Our paper “Room-temperature flexible manipulation of the quantum-metric structure in a topological chiral antiferromagnet” by J. Han, T. Uchimura, Y. Araki, J.-Y. Yoon, Y. Takeuchi, Y. Yamane, S. Kanai, J. Ieda, H. Ohno, and S. Fukami in Nature Physics.
Press release: Manipulating the Geometry of ‘Electron Universe’ in Magnets
Hanami
We had a cherry blossom viewing party(Hanami) with our lab members, which also served as a welcome party for new members (secretary, 4 new M1’s and 4 new B4’s).
Paper published in Nature Communications
Our paper “CMOS plus stochastic nanomagnets enabling heterogeneous computers for probabilistic inference and learning” by N. S. Singh, K. Kobayashi, Q. Cao, K. Selcuk, T. Hu, S. Niazi, N. A. Aadit, S. Kanai, H. Ohno, S. Fukami, and K. Y. Camsari was published in Nature Communications.
Press release: “Researchers Develop Energy-Efficient Computer by Combining CMOS with Stochastic Nanomagnet“
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.
