160 citations · 186 across the 11 of their papers we have counts for
11 papers
Longitudinal spin current absorption in bilayers composed of ferromagnetic and highly-resistive non-magnetic layers
Sosuke Hori, Kohei Ueda, Junichi Shiogai +1
Spin Hall magnetoresistance (SMR) is an intriguing spin-dependent transport phenomenon in bilayers consisting of non-magnetic and magnetic layers. Here, we report on the influence…
Effect of crystallinity on spin-orbit torque in 5 iridium oxide IrO
Tetsuro Morimoto, Kohei Ueda, Junichi Shiogai +3
The 5 transition-metal oxides provide an intriguing platform for generating an efficient spin current due to a unique electronic structure dominated by 5d electrons wit…
Quantitative imaging of nonlinear spin-wave propagation using diamond quantum sensors
Kensuke Ogawa, Moeta Tsukamoto, Yusuke Mori +7
Spin waves propagating in magnetic materials exhibit nonlinear behavior at large amplitudes due to the competition between excitation and relaxation, providing an attractive platfo…
Suppression of ferromagnetism in rippled LaSrMnO membrane with process-induced strain prepared by epitaxial lift-off technique
Kota Kanda, Ryuji Atsumi, Takamasa Usami +6
Transition metal oxides are a platform for exploring strain-engineered intriguing physical properties and developing spintronic or flexible electronic functionalities owing to stro…
Wideband wide-field imaging of spin-wave propagation using diamond quantum sensors
Kensuke Ogawa, Moeta Tsukamoto, Yusuke Mori +6
Imaging spin-wave propagation in magnetic materials in a wide frequency range is crucial for understanding and applying spin-wave dynamics. Recently, nitrogen-vacancy (NV) centers…
Non-coplanar spin structure in a metallic thin film of triangular lattice antiferromagnet CrSe
Yusuke Tajima, Junichi Shiogai, Kohei Ueda +5
An antiferromagnetic metal with two-dimensional triangular network offers a unique playground of intriguing magneto-transport properties and functionalities stemming from interplay…
Effect of interface quality on spin Hall magnetoresistance in Pt/MgFeO bilayers
Masafumi Sugino, Kohei Ueda, Takanori Kida +2
We report on spin Hall magnetoresistance (SMR) in bilayers composed of Pt and magnetic insulator MgFeO (MFO) with spinel structure. The Pt thickness dependence of the S…
Impact of epitaxial strain relaxation on ferromagnetism in a freestanding La2/3Sr1/3MnO3 membrane
Ryuji Atsumi, Junichi Shiogai, Takumi Yamazaki +3
Manganite perovskites host emerging physical properties of strongly-correlated electrons with charge, spin, and lattice degrees of freedom. Using epitaxial lift-off technique, we r…
Spin current generation from an epitaxial tungsten dioxide WO
Kohei Ueda, Hayato Fujii, Takanori Kida +2
We report on efficient spin current generation at room temperature in rutile type WO grown on AlO(0001) substrate. The optimal WO film has (010)-oriented mo…
Spin Hall magnetoresistance in Pt/YFeO bilayers grown on Si and GdGaO substrates
Kenta Fukushima, Kohei Ueda, Naoki Moriuchi +3
We study spin Hall magnetoresistance (SMR) in Pt/ferrimagnetic insulator YFeO (YIG) bilayers by focusing on crystallinity, magnetization, and interface roughness…
Soliton-like magnetic domain wall motion induced by the interfacial Dzyaloshinskii-Moriya interaction
Yoko Yoshimura, Kab-Jin Kim, Takuya Taniguchi +7
Topological defects such as magnetic solitons, vortices, Bloch lines, and skyrmions have started to play an important role in modern magnetism because of their extraordinary stabil…