Papers
2024
Stress-Induced Martensitic Transformation in Na3YCl6
A Miura, K Muraoka, K Maki, S Kawaguchi, K Hikima, H Muto, A Matsuda, I Yamane, T Shimada, H Ito, Y Mizuguchi, C Moriyoshi, H Nakajima, S Mori, H Oike, A Nakayama, W Sun, N C Rosero-Navarro and K Tadanaga
Journal of the American Chemical Society 146 (36), 25263-25269 (2024).
Higher conductivity in doped ethylenedioxythiophene (EDOT) dimers with chalcogen-substituted end groups
K Onozuka, T Fujino, T Miyamoto, T Yamakawa, H Okamoto, H Akiba, O Yamamuro, E Kayahara, S Yamago, H Oike, Hatsumi Mori
Journal of Materials Chemistry C 12 (35), 13956-13965 (2024).
2023
Stability and Metastability of Li3YCl6 and Li3HoCl6
H Ito, Y Nakahira, N Ishimatsu, Y Goto, A Yamashita, Y Mizuguchi, C Moriyoshi, T Toyao, K Shimizu, H Oike, M Enoki, N C Rosero-Navarro, A Miura, and K Tadanaga
Bulletin of the Chemical Society of Japan 96 (11), 1262-1268 (2023).
Low-temperature hysteresis broadening emerging from domain-wall creep dynamics in a two-phase competing system
K Matsuura, Y Nishizawa, Y Kinoshita, T Kurumaji, A Miyake, H Oike, M Tokunaga, Y Tokura and F. Kagawa
Communications Materials 4 (1), 71 (2023).
Thermodynamic determination of the equilibrium first-order phase-transition line hidden by hysteresis in a phase diagram
K Matsuura, Y Nishizawa, M Kriener, T Kurumaji, H Oike, Y Tokura and F Kagawa
2022
Topological Nernst effect emerging from real-space gauge field and thermal fluctuations in a magnetic skyrmion lattice
H Oike, T Ebino, T Koretsune, A Kikkawa, M Hirschberger, Y Taguchi, Y Tokura and F Kagawa
Phys. Rev. B 106, 214425 (2022).
Mott-Driven BEC-BCS Crossover in a Doped Spin Liquid Candidate κ−(BEDT−TTF)4Hg2.89Br8
Y. Suzuki, K. Wakamatsu, J. Ibuka, H. Oike, T. Fujii, K. Miyagawa, H. Taniguchi and K. Kanoda
2021
Real-Space Observation of Emergent Complexity of Phase Evolution in Micrometer-Sized IrTe2 Crystals
H. Oike, K. Takeda, M. Kamitani, Y. Tokura and F. Kagawa
Phys. Rev. Lett. 127, 145701 (2021).
Kinetic pathway facilitated by a phase competition to achieve a metastable electronic phase
K. Matsuura, H. Oike, V. Kocsis, T. Sato, Y. Tomioka, Y. Kaneko, M. Nakamura, Y. Taguchi, M. Kawasaki, Y. Tokura and F. Kagawa
2019
Slow steady flow of a skyrmion lattice in a confined geometry probed by narrow-band resistance noise
T. Sato, W. Koshibae, A. Kikkawa, T. Yokouchi, H. Oike, Y. Taguchi, N. Nagaosa, Y. Tokura and F. Kagawa
2018
Kinetic approach to superconductivity hidden behind a competing order
H. Oike, M. Kamitani, Y. Tokura and F. Kagawa
Science Advances 4, eaau3489 (2018).
[Nature 562, 166 (2018).にResearch Highlightとして取り上げられました。]
Uniaxial-stress Effects on Helimagnetic Orders and Skyrmion Lattice in Cu2OSeO3
T. Nakajima, V. Ukleev, K. Ohishi, H. Oike, F. Kagawa, S. Seki, K. Kakurai, Y. Tokura and T. Arima
J. Phys. Soc. Jpn. 87, 094709 (2018).
Phase-transition kinetics of magnetic skyrmions investigated by stroboscopic small-angle neutron scattering
T. Nakajima, Y. Inamura, T. Ito, K. Ohishi, H. Oike, F. Kagawa, A. Kikkawa, Y. Taguchi, K. Kakurai, Y. Tokura and T. Arima
Phys. Rev. B 98, 014424 (2018).
Size effects on supercooling phenomena in strongly correlated electron systems: IrTe2 and θ−(BEDT−TTF)2RbZn(SCN)4
H. Oike, M. Suda, M. Kamitani, A. Ueda, H. Mori, Y. Tokura, H. M. Yamamoto and F. Kagawa
Phys. Rev. B 97, 085102 (2018).
[Editors’ Suggestionに選出されました。]
2017
Current-induced viscoelastic topological unwinding of metastable skyrmion strings
F. Kagawa, H. Oike, W. Koshibae, A. Kikkawa, Y. Okamura, Y. Taguchi, N. Nagaosa and Y. Tokura
Nature Communications 8, 1332 (2017).
Anomalous metallic behaviour in the doped spin liquid candidate κ-(ET)4Hg2.89Br8
H. Oike, Y. Suzuki, H. Taniguchi, Y. Seki, K. Miyagawa and K. Kanoda
Nature Communications 8, 756 (2017).
Current-Induced Nucleation and Annihilation of Magnetic Skyrmions at Room Temperature in a Chiral Magnet
X. Z. Yu, D. Morikawa, Y. Tokunaga, M. Kubota, T. Kurumaji, H. Oike, M. Nakamura, F. Kagawa, Y. Taguchi, T. Arima, M. Kawasaki and Y. Tokura
Advanced Materials 29, 1606178 (2017).
Skyrmion lattice structural transition in MnSi
T. Nakajima, H. Oike, A. Kikkawa, E. P. Gilbert, N. Booth, K. Kakurai, Y. Taguchi, Y. Tokura, F. Kagawa and T. Arima
2016
Robust metastable skyrmions and their triangular-square lattice structural transition in a high-temperature chiral magnet
K. Karube, J. S. White, N. Reynolds, J. L. Gavilano, H. Oike, A. Kikkawa, F. Kagawa, Y. Tokunaga, H. M. Rønnow, Y. Tokura and Y. Taguchi,
Nature Materials 15, 1237–1242 (2016).
[News & Viewsに取り上げられました。]
Interplay between topological and thermodynamic stability in a metastable magnetic skyrmion lattice
H. Oike, A. Kikkawa, N. Kanazawa, Y. Taguchi, M. Kawasaki, Y. Tokura and F. Kagawa
Nature Physics 12, 62–66 (2016).
[News & Viewsに取り上げられました。]
2015
Phase-change memory function of correlated electrons in organic conductors
H. Oike, F. Kagawa, N. Ogawa, A. Ueda, H. Mori, M. Kawasaki and Y. Tokura
Phys. Rev. B 91, 041101(R) (2015).
[Editors’ Suggestionに選出されました。]
Pressure-Induced Mott Transition in an Organic Superconductor with a Finite Doping Level
H. Oike, K. Miyagawa, H. Taniguchi and K. Kanoda
Proceedings
2009
Contactless conductivity measurements on the organic conductor, κ-(ET)4Hg2.89Br8, under pressure
H. Oike, K. Miyagawa, K. Kanoda, H. Taniguchi and K. Murata
Review articles
Mottness and Spin Liquidity in a Doped Organic Superconductor κ−(BEDT−TTF)4Hg2.89Br8
H. Oike, H Taniguchi, K Miyagawa and K Kanoda
Journal of the Physical Society of Japan 93 (4), 042001 (2024).
急冷による熱平衡状態の背後に隠された準安定電子状態の生成
大池広志, 賀川史敬
日本物理学会誌 76(8), 523-528 (2021).
Quenching of Charge and Spin Degrees of Freedom in Condensed Matter
F. Kagawa and H. Oike
Advanced Materials 29, 1601979 (2017).
幾何学的フラストレーション下における電荷の結晶化と急冷によるガラス化
賀川史敬、大池広志、佐藤拓朗
固体物理 第50巻、807-820 (2015).
Patents
Magnetic element, skyrmion memory and arithmetic processing unit
H. Oike, F. Kagawa, and Y. Tokura
米国特許 US9704550B2, 2015年出願, 2017年登録
磁気素子、スキルミオンメモリ及び演算処理装置
大池広志、賀川史敬、十倉好紀
日本特許 特許第6607737号, 2015年出願, 2019年登録