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2025

Fermi surface reconstruction due to the orthorhombic distortion in Dirac semimetal YbMnSb2

• Dilip Bhoi, Feng Ye, Hanming Ma, Xiaoling Shen, Arvind Maurya, Shusuke Kasamatsu, Takahiro Misawa, Kazuyoshi Yoshimi, Taro Nakajima, Masaaki Matsuda, Yoshiya Uwatoko

• Phys. Rev. B 111, 214115 (2025).

• arXiv.2306.12732

• Proposal No. 22401

Electronic commensuration of a spin moiré superlattice in a layered magnetic semimetal

• Takashi Kurumaji, Nisarga Paul, Shiang Fang, Paul M. Neves, Mingu Kang, Jonathan S. White, Taro Nakajima, David Graf, Linda Ye, Mun K. Chan, Takehito Suzuki, Jonathan Denlinger, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg , Yang Zhao, Jeffrey W. Lynn, Efthimios Kaxiras, Riccardo Comin, Liang Fu, Joseph G. Checkelsky

• Sci. Adv. 11, eadu6686 (2025)

• Proposal No. 22401

Spontaneous Hall effect induced by collinear antiferromagnetic order at room temperature

• Rina Takagi, Ryosuke Hirakida, Yuki Settai, Rikuto Oiwa, Hirotaka Takagi, Aki Kitaori, Kensei Yamauchi, Hiroki Inoue, Jun-ichi Yamaura, Daisuke Nishio-Hamane, Shinichi Itoh, Seno Aji, Hiraku Saito, Taro Nakajima, Takuya Nomoto, Ryotaro Arita & Shinichiro Seki 

• Nat. Mater. 24, 63-68 (2025)

• Proposal No. 23520

2024

Spin-lattice-coupled helical magnetic order in breathing pyrochlore magnets, CuAlCr4S8 and CuGaCr4S8

• Masaki Gen, Taro Nakajima, Hiraku Saito, Yusuke Tokunaga, Taka-hisa Arima

• J. Phys. Soc. Jpn. 93, 104602 (2024).

• arXiv:2405.05108

• Proposal No. 23401

Elastic and inelastic neutron scattering experiments under high pressure in the frustrated antiferromagnet CuFeO2

• Noriki Terada, Dmitry D. Khalyavin, Pascal Manuel, Shinichiro Asai, Takatsugu Masuda, Hiraku Saito, Taro Nakajima, and Toyotaka Osakabe

• Phys. Rev. B 110, 024406 (2024).

• Proposal No.  21801 

Polarized and Unpolarized Neutron Scattering for Magnetic Materials at the Triple-axis Spectrometer PONTA in JRR-3

• Taro Nakajima, Hiraku Saito, Naoki Kobayashi, Takuro Kawasaki, Tatsuya Nakamura, Hazuki Kawano-Furukawa, Shinichiro Asai, and Takatsugu Masuda

• J. Phys. Soc. Jpn. 93, 091002 (2024).

• SPECIAL TOPICS: Restart of JRR-3 and Frontier Science of Reactor-Neutron

• Proposal No.  21507, 21401, 22518, and 22401

Non-coplanar helimagnetism in the layered van-der-Waals metal DyTe3

• Shun Akatsuka, Sebastian Esser, Shun Okumura, Ryota Yambe, Rinsuke Yamada, Moritz M. Hirschmann, Seno Aji, Jonathan S. White, Shang Gao, Yoshichika Onuki, Taka-hisa Arima, Taro Nakajima & Max Hirschberger 

• Nat. Commun. 15, 4291 (2024).

• arXiv:2306.04854

• Proposal No. 22515

Polarized Neutron Diffraction Study on UPt2Si2

• Fusako Kon, Chihiro Tabata, Hiraku Saito, Taro Nakajima, Hiroyuki Hidaka, Tatsuya Yanagisawa Hiroshi Amitsuka

• J. Phys. Soc. Jpn., 93, 044701 (2024).

• arXiv.2312.12718

• Proposal No. 22528

2023

Colossal negative magnetoresistance in field-induced Weyl semimetal of magnetic half-Heusler compound

• Kentaro Ueda, Tonghua Yu, Motoaki Hirayama, Ryo Kurokawa, Taro Nakajima, Hiraku Saito, Markus Kriener, Manabu Hoshino, Daisuke Hashizume, Taka-hisa Arima, Ryotaro Arita, Yoshinori Tokura 

• Nat. Commun. 14, 6339 (2023)

• Proposal No. 22517

In-plane anisotropy of the single-q and multiple-q ordered phases in the antiferromagnetic metal CeRh2Si2 

• Hiraku Saito, Fusako Kon, Hiroyuki Hidaka, Hiroshi Amitsuka, Cho Kwanghee, Masato Hagihala, Takashi Kamiyama, Shinichi Itoh, Taro Nakajima

• Phys. Rev. B 108, 094440 (2023).

• arXiv:2306.11284

• Proposal No. 21513

Spontaneous topological Hall effect induced by non-coplanar antiferromagnetic order in intercalated van der Waals materials

• H. Takagi, R. Takagi, S. Minami, T. Nomoto, K. Ohishi, M.-T. Suzuki, Y. Yanagi, M. Hirayama, N. D. Khanh, K. Karube, H. Saito, D. Hashizume, R. Kiyanagi, Y. Tokura, R. Arita, T. Nakajima, S. Seki

• Nat. Phys. 19, 961-968 (2023).

• arXiv:2303.04879

• Press release : 「反強磁性体におけるトポロジカルホール効果の実証に成功 - 磁気情報の新しい読み出し手法としての活用に期待 - 」

• Proposal No. 21401, 21511 and 22529.

Polarized neutron scattering study on the centrosymmetric skyrmion host material Gd2PdSi3

• Jiwon Ju, Hiraku Saito, Takashi Kurumaji, Max Hirschberger, Akiko Kikkawa, Yasujiro Taguchi, Taka-hisa Arima, Yoshinori Tokura, Taro Nakajima

• Phys. Rev. B 107, 024405 (2023).

• arXiv:2208.08188

• Proposal No. 21507, 21401 and 22401.

2022