7 papers
Raman spectroscopy of van der Waals topological magnet GdGaI
Nan Jiang, Yijin Zhang, Yujie Xia +9
We report polarization-resolved Raman spectroscopy of a van der Waals compound GdGaI that is a candidate for excitonic insulators. By combining the symmetry analysis with density f…
Impact of the out-of-plane conductivity on spin transport evaluation in a van der Waals material
Ryoya Nakamura, Futo Tokuda, Yoshinobu Ono +5
Layered materials are promising candidates for spintronic applications due to their unique electronic structures and spin transport properties. However, the strong anisotropic cond…
Spin Hall effect in van der Waals ferromagnet FeGeTe
Tomoharu Ohta, Yuto Samukawa, Nan Jiang +5
We investigate the spin Hall effect (SHE) in a van der Waals (vdW) ferromagnet FeGeTe (FGT) with a Curie temperature of 310 K utilizing the spin-torque ferr…
Observation of Shapiro Steps in the Charge Density Wave State Induced by Strain on a Piezoelectric Substrate
Koji Fujiwara, Takuya Kawada, Natsumi Nikaido +4
Recent development in nanotechnology has enabled us to investigate the dynamic properties of van der Waals materials on a piezoelectric substrate. Here we report on the dynamics of…
Observation of the crossover from quantum fluxoid to half-quantum fluxoid in a chiral superconducting device
Masashi Tokuda, Fumiya Matsumoto, Noriaki Maeda +16
Topological superconductors are one of the intriguing material groups from the viewpoint of not only condensed matter physics but also industrial application such as quantum comput…
Generation of a single-cycle surface acoustic wave pulse on LiNbO for application to thin film materials
Koji Fujiwara, Shunsuke Ota, Tetsuo Kodera +5
Surface acoustic wave (SAW) technology has been explored in thin-film materials to discover fundamental phenomena and to investigate their physical properties. It is used to excite…