Papers - Takeda Keiki

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  1. Large spontaneous Hall effect with flexible domain control in the antiferromagnetic material TaMnP

    H. Kotegawa, A. Nakamura, V.T.N. Huyen, Y. Arai, H. Sugawara, J. Hayashi, K. Takeda, C. Tabata, K. Kaneko, K. Kodama, M.-T. Suzuki，Physical Review B，vol.110，(21)，Article Number:214417，2024.12

  2. Large Anomalous Hall Conductivity Derived from an f -Electron Collinear Antiferromagnetic Structure

    H. Kotegawa, H. Tanaka, Y. Takeuchi, H. Tou, H. Sugawara, J. Hayashi, K. Takeda，Physical Review Letters，vol.133，(10)，Article Number:106301，2024.09

  3. Intrinsic Anomalous Hall Effect Arising from Antiferromagnetism as Revealed by High-Quality NbMnP

    Y. Arai, J. Hayashi, K. Takeda, H. Tou, H. Sugawara, H. Kotegawa，Journal of the Physical Society of Japan，vol.93，(6)，Article Number:063702，2024.05

  4. Large anomalous Hall effect and unusual domain switching in an orthorhombic antiferromagnetic material NbMnP

    H. Kotegawa, Y. Kuwata, V. T. N. Huyen, Y. Arai, H. Tou, M. Matsuda, K. Takeda, H. Sugawara and M. Suzuki，npj Quantum Materials，vol.8，(1)，Article Number:56，2023.12

  5. Photoexcited Carrier Transfer in CuInS2 Nanocrystal Assembly by Suppressing Resonant-Energy Transfer

    Y. Hamanaka, S. Okuyama, R. Yokoi, T. K., K. Takeda, C. Sekine，ChemPhysChem，vol.24，(21)，Article Number:e202300029，2023.11

  6. Significant changes in thermoelectric properties of unfilled skutterudite compounds MSb3 (M = Co and Rh) by self-insertion reaction

    K. Awaji, K. Nishimura, K. Suwa, J. Hayashi, Y. Kawamura, K. Takeda, H. Gotou, and C. Sekine，Materials Today Communications，vol.36，Article Number:106825，2023.08

  7. Observation of multigap and coherence peak in the noncentrosymmetric superconductor CaPtAs: 75As nuclear quadrupole resonance measurements

    Nagase Y., Manago, M., Hayashi, J., Takeda, K., Tou, H., Matsuoka, E., Sugawara, H., Harima, H., Kotegawa, H.，Physical Review B，vol.107，(10)，2023.03

  8. Structural Phase Transition and Possible Valence Instability of Ce-4f Electron Induced by Pressure in CeCoSi

    Kawamura Yukihiro,Ikeda Kakeru,Dalan Alisha Nurshafiqah Binti Amat,Hayashi Junichi,Takeda Keiki,Sekine Chihiro,Matsumura Takeshi,Gouchi Jun,Uwatoko Yoshiya,Tomita Takahiro,Takahashi Hiroki,Tanida Hiroshi，Journal of the Physical Society of Japan，vol.91，(6)，(p.1 ～ 8)，Article Number:064714，2022.05

  9. Noncollinear spin structure with weak ferromagnetism in NbMnP

    M. Matsuda, D. Zhang, Y. Kuwata, Q. Zhang, T. Sakurai, H. Ohta, H. Sugawara, K. Takeda, J. Hayashi, and H. Kotegawa，Physical Review B，vol.104，(17)，(p.1 ～ 9)，Article Number:174413，2021.11

  10. Crystallographic and superconducting properties of filled skutterudite SrOs4P12

    Y. Kawamura, S. Deminami, K. Takeda, T. Kuzuya, L. Salamakha, H. Michor, E. Bauer, J. Gouchi, Y. Uwatoko, T. Kawae, C. Sekine，Physical Review B，vol.103，(8)，(p.1 ～ 9)，Article Number:085139，2021.02

  11. First-order phase transition to a nonmagnetic ground state in nonsymmorphic NbCrP

    Yoshiki Kuwata, Hisashi Kotegawa, Hideki Tou, Hisatomo Harima, Qing-Ping Ding, Keiki Takeda, Junichi Hayashi, Eiichi Matsuoka, Hitoshi Sugawara, Takahiro Sakurai, Hitoshi Ohta, and Yuji Furukawa，Physical Review B，vol.102，(20)，(p.1 ～ 9)，Article Number:205110，2020.10

  12. Structural Phase Transition in Antiferromagnet CeCoSi compared to Isostructural LaCoSi and PrCoSi

    Y. Kawamura, H. Tanida, R. Ueda, J. Hayashi, K. Takeda, C. Sekine，Journal of the Physical Society of Japan，vol.89，(5)，(p.1 ～ 6)，Article Number:054702，2020.04

  13. Helimagnetic Structure and Heavy-Fermion-Like Behavior in the Vicinity of the Quantum Critical Point in Mn3P

    H. Kotegawa, M. Matsuda ,F. Ye, Y. Tani, K. Uda, Y. Kuwata,H. Tou,E. Matsuoka, H. Sugawara, T. Sakurai, H. Ohta, H. Harima , K. Takeda ,J. Hayashi, S. Araki, T.C. Kobayashi，Physical Review Letters，vol.124，(p.1 ～ 6)，Article Number:087202，2020.02

  14. Superlattice formation lifting degeneracy protected by nonsymmorphic symmetry through a metal-insulator transition in RuAs

    Kotegawa, H, Takeda, K, Kuwata, Y, Hayashi, J, Tou, H, Sugawara, H, Sakurai, T, Ohta, H, Harima, H，PHYSICAL REVIEW MATERIALS，vol.2，(5)，(p.1 ～ 10)，Article Number:055001，2018.05

  15. High-pressure and high-temperature synthesis of heavy lanthanide sesquisulfides Ln2S3 (Ln = Yb and Lu)

    M. Kanazawa, L. Li, T. Kuzuya, K. Takeda, S. Hirai, Y. Higo, T. Shinmei, T. Irifune, C. Sekine，Journal of Alloys and Compounds，vol.736，(p.314 ～ 321)，2018.03

  16. High-pressure Synthesis and Physical Properties of New Filled Skutterudite Compound BaOs4P12

    S. Deminami, Y. Kawamura, Y. Q. Chen, M. Kanazawa, J. Hayashi, T. Kuzuya, K. Takeda, M. Matsuda and C. Sekine，Journal of Physics: Conference Series，vol.950，(p.1 ～ 4)，Article Number:042032，2017.11

  17. X-Ray Diffraction Study of CeT2Al10 (T = Ru, Os) at Low Temperatures and under Pressures

    J. Hayashi, K. Takeda, C. Sekine, H. Tanida, M. Sera, S. Nakano, T. Tomita, H. Takahashi and T. Nishioka，ACTA PHYSICA POLONICA A，vol.131，(p.988 ～ 990)，2017.04

  18. Successive spatial symmetry breaking under high pressure in the spin-orbit-coupled metal Cd2Re2O7

    Jun-ichi Yamaura, Keiki Takeda, Yoichi Ikeda, Naohisa Hirao, Yasuo Ohishi, Tatsuo C. Kobayashi, and Zenji Hiroi，Phys. Rev. B，vol.95，(p.1 ～ 5)，Article Number:020102(R) ，2017.01

  19. The structural, transport, and magnetic properties of Yb-filled skutterudites YbyFexCo4-xSb12 synthesized under high pressure

    Yuqi Chen, Yukihiro Kawamura, Junichi Hayashi, Keiki Takeda, and Chihiro Sekine，J. Appl. Phys.，vol.120，(p.1 ～ 9)，Article Number:235105，2016.12

  20. Structural Analysis of Novel Antiferromagnetic Material CeRu2Al10

    ​Y. Kawamura, J. Hayashi, K. Takeda, C. Sekine, H. Tanida, M. Sera, T. Nishioka，Journal of the Physical Society of Japan，vol.85，(p.1 ～ 7)，Article Number:044601，2016.03

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