74 citations · 320 across the 12 of their papers we have counts for
13 papers
Ohm's law for information revealed by a skyrmion Maxwell's demon
Soma Miki, Yoshishige Suzuki, Ryo Ishikawa +10
Reducing the energy cost of computation-a pressing issue in the age of AI-requires a framework for circuit design based on information thermodynamics. By extending non-equilibrium…
Information dynamics, natural computing and Maxwell's demon in two skyrmions system
Yoshishige Suzuki, Hiroki Mori, Soma Miki +5
The probabilistic information flow and natural computational capability of a system with two magnetic skyrmions at room temperature have been experimentally evaluated. Based on thi…
Transfer Entropy and Flow of Information in Two-Skyrmion System
Tenta Tani, Soma Miki, Hiroki Mori +3
We theoretically investigate the flow of information in an interacting two-skyrmion system confined in a box at finite temperature. By numerical simulations based on the Thiele-Lan…
Control of spin-orbit torques by interface engineering in topological insulator heterostructures
Frédéric Bonell, Minori Goto, Guillaume Sauthier +6
(BiSb)Te topological insulators (TIs) are gathering increasing attention owing to their large charge-to-spin conversion efficiency and the ensuing spin-orbit to…
Over 1% magnetoresistance ratio at room temperature in non-degenerate silicon-based lateral spin valves
H. Koike, S. Lee, R. Ohshima +7
To augment the magnetoresistance (MR) ratio of n-type non-degenerate Si-based lateral spin valves (Si-LSVs), we modify the doping profile in the Si layer and introduce a larger loc…
Manipulating 1-dimensinal skyrmion motion by external magnetic field gradient
Jaehun Cho, Eiiti Tamura, Chaozhe Liu +7
We have investigated an analytic formula of the 1-dimensional magnetic skyrmion dynamics under external magnetic field gradient. We find excellent agreement between the analytical…
Investigation of gating effect in Si spin MOSFET
Soobeom Lee, Fabien Rortais, Ryo Ohshima +6
A gate voltage application in a Si-based spin metal-oxide-semiconductor field-effect transistor (spin MOSFET) modulates spin accumulation voltages, where both electrical conductivi…
Gate-tunable spin exclusive or operation in a silicon-based spin device at room temperature
R. Ishihara, Y. Ando, S. Lee +5
Room temperature operation of a spin exclusive or (XOR) gate was demonstrated in lateral spin valve devices with nondegenerate silicon (Si) channels. The spin XOR gate is a fundame…
Skyrmion Brownian circuit implemented in a continuous ferromagnetic thin film
Yuma Jibiki, Minori Goto, Eiiti Tamura +9
The fabrication of a skyrmion circuit which stabilizes skyrmions is important to realize micro- to nano-sized skyrmion devices. One example of promising skyrmion-based device is Br…
Reservoir computing with dipole-coupled nanomagnets
Hikaru Nomura, Taishi Furuta, Kazuki Tsujimoto +7
The feasibility of reservoir computing based on dipole-coupled nanomagnets is demonstrated using micro-magnetic simulations. The reservoir consists of an 2x10 array of nanomagnets.…
Electric-field-induced changes of magnetic moments and magnetocrystalline anisotropy in ultrathin cobalt films
Takeshi Kawabe, Kohei Yoshikawa, Masahito Tsujikawa +10
In this study, the microscopic origins of the voltage-controlled magnetic anisotropy (VCMA) in 3d-ferromagnetic metals are revealed. Using in-situ X-ray fluorescence spectroscopy t…
Observation of anomalous spin-torque generated by a ferromagnet
Arnab Bose, Duc Duong Lam, Swapnil Bhuktare +4
In this work we report observation of in-plane current induced out-of-plane magnetic field driven torque in spin valve structure. Since ferromagnet has high spin orbit coupling it…
Electric spectroscopy of vortex states and dynamics in magnetic disks
Minori Goto, Hiroshi Hata, Akinobu Yamaguchi +4
Spin-polarized radio frequency (RF) currents and RF-Oersted fields resonantly excite a magnetic vortex core confined in a micron-scale soft magnetic disk. In this study, we measure…