Search Results - "Tomoyuki Yokouchi"
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Emergent electromagnetic induction beyond room temperature
Published in Proceedings of the National Academy of Sciences - PNAS (17-08-2021)“…Emergent electromagnetic induction based on electrodynamics of noncollinear spin states may enable dramatic miniaturization of inductor elements widely used in…”
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Creation of magnetic skyrmions by surface acoustic waves
Published in Nature nanotechnology (01-05-2020)“…Non-collinear and non-coplanar spin textures, such as chiral domain walls 1 and helical or triangular spin structures 2 , 3 , bring about diverse…”
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Phase-change control of anomalous Hall effect in ferromagnetic MnBi thin films
Published in Applied physics letters (26-12-2022)“…We have experimentally demonstrated a phase change control of Hall effects in ferromagnetic MnBi thin films at room temperature. Two distinct ferromagnetic…”
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Trapping and manipulating skyrmions in two-dimensional films by surface acoustic waves
Published in Scientific reports (02-02-2023)“…Skyrmions, topologically stable spin structures with particle-like properties, are promising for spintronics applications such as skyrmion racetrack memory…”
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Reconfigurable single-material Peltier effect using magnetic-phase junctions
Published in Scientific reports (20-12-2021)“…Peltier effects, which produce a heat flux at the junction of two different materials, have been an important technology for heating and cooling by electrical…”
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Amorphous Ferromagnetic Metal in van der Waals Materials
Published in Advanced electronic materials (01-02-2024)“…Amorphous solids are non‐equilibrium states of matter that lack long‐range structural order, and are recognized as key materials in electronics. Although 2D…”
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Formation of In-plane Skyrmions in Epitaxial MnSi Thin Films as Revealed by Planar Hall Effect
Published in Journal of the Physical Society of Japan (15-10-2015)Get full text
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8
Emergent electromagnetic induction in a helical-spin magnet
Published in Nature (London) (08-10-2020)Get full text
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Current-induced dynamics of skyrmion strings
Published in Science advances (01-08-2018)“…Dynamics of string-like objects is an important issue in a broad range of physical systems, including vortex lines in superconductors, viscoelastic polymers,…”
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Emergent electromagnetic induction in a helical-spin magnet
Published in Nature (London) (08-10-2020)“…An inductor, one of the most fundamental circuit elements in modern electronic devices, generates a voltage proportional to the time derivative of the input…”
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Giant Magnetochiral Anisotropy in Weyl Semimetal WTe 2 Induced by Diverging Berry Curvature
Published in Physical review letters (01-03-2023)Get full text
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Aggregation and collapse dynamics of skyrmions in a non-equilibrium state
Published in Nature physics (01-08-2018)“…Magnetic skyrmions have attracted attention because of their emergent electromagnetic properties. In particular, non-equilibrium-state skyrmions, which are…”
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Coexistence of Quantum-Spin-Hall and Quantum-Hall-Topological-Insulating States in Graphene/hBN on SrTiO 3 Substrate
Published in Advanced materials (Weinheim) (01-05-2024)“…SrTiO (STO) substrate, a perovskite oxide material known for its high dielectric constant (ɛ), facilitates the observation of various (high-temperature)…”
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Coexistence of Quantum‐Spin‐Hall and Quantum‐Hall‐Topological‐Insulating States in Graphene/hBN on SrTiO3 Substrate
Published in Advanced materials (Weinheim) (01-05-2024)“…SrTiO3 (STO) substrate, a perovskite oxide material known for its high dielectric constant (ɛ), facilitates the observation of various (high‐temperature)…”
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Pattern recognition with neuromorphic computing using magnetic field-induced dynamics of skyrmions
Published in Science advances (30-09-2022)“…Nonlinear phenomena in physical systems can be used for brain-inspired computing with low energy consumption. Response from the dynamics of a topological spin…”
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Enhanced Thermopower in the Antiferromagnetic Phase of Mn 2− x Cr x Sb
Published in Journal of the Physical Society of Japan (15-12-2020)Get full text
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Enhanced Thermopower in the Antiferromagnetic Phase of Mn2−xCrxSb
Published in Journal of the Physical Society of Japan (15-12-2020)“…Thermoelectric properties of chromium-modified Mn2Sb are systematically investigated to evaluate the power factors. Single-crystalline samples of Mn2−xCrxSb…”
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Giant Magnetochiral Anisotropy in Weyl Semimetal WTe_{2} Induced by Diverging Berry Curvature
Published in Physical review letters (31-03-2023)“…The concept of Berry curvature is essential for various transport phenomena. However, an effect of the Berry curvature on magnetochiral anisotropy, i.e.,…”
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Quantum oscillations from Fermi arc surface states in Cd_{3}As_{2} submicron wires
Published in Physical review research (01-04-2022)“…Topological materials such as topological insulators and Weyl/Dirac semimetals possess topologically protected surface states giving birth to various unique…”
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Quantum oscillations from Fermi arc surface states in Cd 3 As 2 submicron wires
Published in Physical review research (01-04-2022)Get full text
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