Fukami Laboratory, Research Institute of Electrical Communication, Tohoku University

News

2020/07/09

Our paper "Composition dependence of spin−orbit torque in Pt1−xMnx/CoFeB heterostructures" by K. V. De Zoysa, S. DuttaGupta, R. Itoh, Y. Takeuchi, H. Ohno, and S. Fukami was published in Applied Physics Letters. This paper is selected to Editor's Pick.

2020/07/01

Our invited paper "Neuromorphic computing with antiferromagnetic spintronics" by A. Kurenkov, S. Fukami, H. Ohno. was published in Journal of Applied Physics.

2020/06/24

Our paper "Current distribution in metallic multilayers from resistance measurements" by O. Stejskal, A. Thiaville, J. Hamrle, S. Fukami, and H. Ohno was published in Physical Review B.

2020/04/20

Our review paper "Scaling magnetic tunnel junction down to single-digit nanometers — Challenges and prospects" by B. Jinnai, K. Watanabe, S. Fukami, H. Ohno was published in Applied Physics Letters. This paper is selected to a Featured Article.

2020/04/06

Our paper "Visualizing Magnetic Structure in 3D Nanoscale Ni–Fe Gyroid Networks" by J. Llandro, S. Fukami, H. Ohno et al. was published in Nano Letters.

2020/04/01

N. Abe-kun(M1) has joined us! 

Welcome to our laboratory!

2020/03/26

Degree award ceremony was held. Takeuchi kun (D), Dohi kun (D), Koga kun (M), Funatsu kun (M), Furuya kun (M), Miyasaka kun (M), Takechi kun (B), and Hayakawa kun (B), congratulations! We hope for your success in new place.

2020/03/25

T. Dohi (D3) has received the Graduate School of Engineering Award. Congratulations!

2020/03/02

A review paper "Neuromorphic spintronics" by J. Grollier, D. Querlioz, K. Y. Camsari, K. Everschor-Sitte, S. Fukami & M. D. Stiles was published in Nature Electronics.

2020/02/11

Dr. Samik DuttaGupta, an Assistant Professor of CSIS, is awarded the Best Poter Award in  held in Sendai International Center. Congratulations!

2020/02/01

Dr. Yuta Yamane, an Assistant Professor of the Frontier Research Institute for Interdisciplinary Sciences, joined us.

2019/12/17

Dr. Aleksandr Kurenkov was awarded the Grand Prize of 2018-19 Photo Contest of Tohoku University. Congratulations!
Link to University website

2019/12/11

Our paper "Stack structure and temperature dependence of spin-orbit torques in heterostructures with antiferromagnetic PtMn" by R. Itoh, Y. Takeuchi, S. DuttaGupta, S. Fukami, and H. Ohno was published in Applied Physics Letters.

2019/12/09

We will report a result of SOT-MRAM at IEDM2019 held in San Francisco, USA. This research has been conducted under a collaboration with the Center for Innovative Integrated Electronic Systems, Tohoku University.
Press release is here

2019/12/06

We hold the 17th RIEC International Workshop on Spintronics and the 10th JSPS Core-to-Core Workshop, consisting of 28 invited talks/lectures and 35 poster presentations. We had 125 participants from 14 countries.


The 18th RIEC International Workshop on Spintronics is tentatively scheduled in November, 2020. We look forward to seeing you then!  

2019/12/01

Commentary article entitled "スピン軌道トルク素子の脳型情報処理応用" written by Assoc. Prof. S. Fukami was published in "まぐね".

2019/11/14

Our paper "Formation and current-induced motion of synthetic antiferromagnetic skyrmion bubbles" by T. Dohi, S. DuttaGupta, S. Fukami, and H. Ohno was published in Nature Communications and was selected to the Editor's Highlight.

Press release for this paper is here.

2019/10/25

Our co-authored paper "Giant perpendicular magnetic anisotropy in Ir/Co/Pt multilayers" by Y.-C. Lau, Z. Chi, T. Taniguchi, M. Kawaguchi, G. Shibata, N. Kawamura, M. Suzuki, S. Fukami, A. Fujimori, H. Ohno, and M. Hayashi has been published in Physical Review Materials.

2019/10/01

Our paper "Write-error rate of nanoscale magnetic tunnel junctions in the precessional regime," by T. Saino, S. Kanai, M. Shinozaki, B. Jinnai, H. Sato, S. Fukami, and H. Ohno was published in Applied Physics Letters.

2019/09/20

W. A. Borders (D2) received the Outstanding Paper Award and T. Dohi (D3) received the  Young Scientist Presentation Award in a ceremony held in the 80th JSAP Autumn Meeting 2019 in Hokkaido University

 

2019/09/19

Our paper "Integer factorization using stochastic magnetic tunnel junctions" by W. A. Borders, A. Z. Pervaiz, S. Fukami, K. Y. Camsari, H. Ohno & S. Datta was published in Nature.

Press release for this paper is here.

2019/07/23

Our paper "Spin-Pumping-Free Determination of Spin-Orbit Torque Efficiency from Spin-Torque Ferromagnetic Resonance" by A. Okada, Y. Takeuchi., K. Furuya, C. Zhang, H. Sato, S. Fukami, and H. Ohno was published in Physical Review Applied.

2019/07/13

We held welcome party for Valentin.

2019/07/10

W. A. Borders (D2), S. Fukami (Assoc. Prof.), and H. Ohno (Adviser) received the Japanese Society of Applied Physics, Outstanding Paper Award for their paper "Analogue spin–orbit torque device for artificial-neural-network-based associative memory operation" published in Applied Physics Express in 2017.

2019/06/18

Mr. Valentin Desbuis, an internship student from School of Mines Nancy, joined us.

2019/06/15

T. Dohi (D3) has started a four-month overseas study at Argonnne National Laboratory under the Graduate Program in Spintronics (GP-Spin), Tohoku University.

2019/05/20

Professor Hideo Ohno received ISCS Welker Award for his "seminal contributions to the materials science, physics of ferromagnetic III-V semiconductors and spintronics."
Link to the website of University

2019/05/15

T. Dohi (D3) is awarded the Young Scientist Presentation Award of the Japanese Society of Applied Physics for his talk entitled "Ferromagnetic layer thickness dependent domain wall chirality and sign of effective Dzyaloshinskii-Moriya field in W/(Co)FeB/MgO systems."

2019/04/16

Our paper "Artificial Neuron and Synapse Realized in an Antiferromagnet/Ferromagnet Heterostructure Using Dynamics of Spin–Orbit Torque Switching" by A. Kurenkov, S. DuttaGupta, C. Zhang, S. Fukami, Y. Horio, and H. Ohno has been published in Advanced Materials.
Press release for this paper is here.

2019/04/10

We held cherry‐blossom viewing (Hanami) party with members from Ohtsuka Lab. & Ikeda Lab.

2019/04/01

T. Kishi-kun(M1), M. Takamatsu-kun(M1), Yoon-kun(M1) have joined us! 

Welcome to our laboratory!

2019/03/28

Assoc. Prof. S. Fukami is awarded the "Gold Prize of the Tanaka Kikinzoku Memorial Foundation"

2019/03/27

Today, Degree award ceremony was held.

Watanabe kun(D3), Itoh kun(M2), Saino kun(M2), Takahashi kun(M2), Wang kun(M2), conguratulations for getting your degrees!

We hope for your success in new place!

2019/03/26

K. Watanabe (D3) has received the Graduate School of Engineering Award.

2019/03/01

Today, We held a party for graduation of members of M2 and D3 students in Fukami (Associate) laboratory.

2019/02/18

Dr. Aleksandr Kurenkov is awarded "The Best Poter Award" in The 2nd Symposium for World Leading Research Centers held in Sendai International Center.

 

2019/02/17

J. Igarashi (D1) has started a three-month placement at Lorraine University within the Graduate Program in Spintronics (GP-Spin), Tohoku University.

2019/02/12

We went to Inawashiro Ski and enjoyed skiing/snowboarding.

2019/02/07

We held a party for final thesis of B4 and M2 and D3 students with Ikeda lab.

2019/01/31

Our paper "Reversal of domain wall chirality with ferromagnet thickness in W/(Co)FeB/MgO systems" by T. Dohi, S. DuttaGuputa, Fukami, and H. Ohno has been published in Applied Physics Letters.

2019/01/17

C. Zhang(Assistant Prof.), T. Dohi(D2), J. Igarashi(D2), M. Shinozaki(D1), K. Furuya(M1) attended "2019 MMM-intermag Joint Conference".

2019/01/11

Our paper "Spin-orbit torque-induced switching of in-plane magnetized elliptic nanodot arrays with various easy-axis directions measured by differential planar Hall resistance" by Y. Takahashi, Y. Takeuchi, C. Zhang, B. Jinnai, S. Fukami, and H. Ohno has been published in Applied Physics Letters.

2019/01/09

We held our annual workshop, "16th RIEC Internatinal Workshop on Spintronics", in the nano-spin building.

There were 116 participants, (33 of them were from overseas) and densely discussed "the newest spintronics".

2018/12/14

Our paper "Temperature-dependent properties of CoFeB/MgO thin films: Experiments versus simulations" by H. Sato, P. Chureemart, F. Matsukura, R. W. Chantrell, H. Ohno, and R. F. L. Evans has been published in Physical Review B.

2018/12/13

We held a year-end party with the member of Ohtsuka Lab. and Ikeda Lab.

2018/11/22

We held wrap up party for EKIDEN & K. Watanebe's predefense.

2018/11/20

Our paper "Scalability and wide temperature range operation of spin-orbit torque switching devices using Co/Pt multilayer nanowires" by B. Jinnnai, H. Sato, S. Fukami, and H. Ohno has been published in Applied Physics Letters .
 

 

2018/11/15

Our paper "Angle dependent magnetoresistance in heterostructures with antiferromagnetic and non-magnetic metals" by S. DuttaGupta, R. Itoh, S. Fukami, and H. Ohno has been published in Applied Physics Letters, and selected as "Featured Article".
In addition, AIP publishing has separately published a science highlight (Scilight) that deals with this article. 

 

2018/11/10

EKIDEN relay race was held.

We finished at  14th position... but did our best!

Thank you very very much for our Teacher(Professor), students who participated in EKIDEN.

 

2018/10/30

We held Colloqium camp with Ohtsuka Lab. 

 

2018/10/23

We held "Imoni" party. It was great and well done.

2018/10/22

Our paper "An effect of capping-layer material on interfacial anisotropy and thermal stability factor of MgO/CoFeB/Ta/CoFeB/MgO/capping-layer structure" by M. Bersweiler, E. C. I. Enobio, S. Fukami, H. Sato, and H. Ohno has been published in Applied Physics Letters.

2018/10/15

Y. Takeuchi (D2) has started a three-month placement at Technical University of Munich within the Graduate Program in Spintronics (GP-Spin), Tohoku University.

2018/10/10

Z. Wang(M2), T. Koga(M1), T. Funatsu(M1), K. Furuya(M1), K. Miyasaka(M1) attended "The 37th Electronic Materials Symposium".

2018/10/09

Our paper "Spintronic synapse for artificial neural network" by S. Fukami, and H. Ohno has been published in Japanese Journal of Applied Physics.

2018/10/04
Commentary article written by Assoc. Prof. S. Fukami was published in "まぐね"
2018/09/21

We celebrated R. Okuda(B4), Z. K. Vihanga(B4), K. Furuya(B4) finishing the end of master cource exam.

2018/09/10

Our paper "Characterization of spin–orbit torque-controlled synapse device for artificial neural network applications" by W. A. Borders, S. Fukami, and H. Ohno has been published in Japanese Journal of Applied Physics.

2018/08/23

Assoc. Prof. S. Fukami is Awarded "The Magnetics Society of Japan Outstanding Research Award."

2018/08/03

J. Igarashi has come back from 2-month internship in Lorraine university.

2018/07/20

S. DuttaGupta(Assistant Prof.), A. Kurenkov(Post-Doc.),  K. Watanabe(D3), Y. Takeuchi(D2), R. Itoh(M2), Y. Takahashi(M2) attended ICM2018 SanFrancisco and K. Watanabe got a "Best Poster Award".

2018/07/05

We celebrated R. Itoh(M2), Y. Takahashi(M2), T. Saino(M2), C. Wang(M2) getting a job and K. Watanabe(D2) coming home from a study abroad in France.

2018/07/03

K. Watanabe has come back from 6-month internship in Spintec.

2018/06/19

Our paper "Evidence for Ferromagnetic Clusters in the Colossal-Magnetoresistance Material EuB6" by M. Pohlit, S. Rößler, Y. Ohno, H. Ohno, S. Molnár, Z. Fisk, J. Müller, and S. Wirth has been published in Physical Review Letters.

2018/05/31

J. Igarashi (D1) has started a three-month placement at Lorraine University within the Graduate Program in Spintronics (GP-Spin), Tohoku University.

2018/05/15

Our paper "Non-linear variation of domain period under electric field in demagnetized CoFeB/MgO stacks with perpendicular easy axis" by N. Ichikawa, T. Dohi, A. Okada, H. Sato, S. Fukami, and H. Ohno has been published on Applied Physics Letters, and selected as "Featured Article."

2018/05/10

Our paper "Spin-orbit torques in high-resistivity-W/CoFeB/MgO" by Y. Takeuchi, C. Zhang, A. Okada, H. Sato, S. Fukami, and H. Ohno has been published on Applied Physics Letters.

2018/05/02

Assoc. Prof. S. Fukami is Awarded "AUMS Young Researchers Award."

2018/04/23

Our paper "Electric-field effect on the easy cone angle of the easy-cone state in CoFeB/MgO investigated by ferromagnetic resonance" by A. Okada, S. Kanai, S. Fukami, H. Sato, and H. Ohno has been published in Applied Physics Letters.

2018/04/01

New Laboratory; Spintronics Group, Information Devices Division, Research Institute of Electrical Communication, Tohoku University is established.