所属
シンクロトロン光研究センター 教授
大学院担当
大学院工学研究科
職名
教授
連絡先
外部リンク
サガヤマ ハジメ
佐賀山 基
SAGAYAMA Hajime
論文 31
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A metallic p-wave magnet with commensurate spin helix 査読有り
Rinsuke Yamada, Max T Birch, Priya R Baral, Shun Okumura, Ryota Nakano, Shang Gao, Motohiko Ezawa, Takuya Nomoto, Jan Masell, Yuki Ishihara, Kamil K Kolincio, Ilya Belopolski, Hajime Sagayama, Hironori Nakao, Kazuki Ohishi, Takashi Ohhara, Ryoji Kiyanagi, Taro Nakajima, Yoshinori Tokura, Taka-hisa Arima, Yukitoshi Motome, Moritz M Hirschmann, Max Hirschberger
NATURE 648 巻 ( 8092 ) 頁： 837 - 842 2025年12月
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Multistep Changes in Spin‐Crossover Temperature Induced by Stepwise Desolvations 査読有り 国際共著 Open Access
Taisei Suzuki, Takuya Shiga, Natsumi Okawa, Nozomi Mihara, Daisuke Okuyama, Reiji Kumai, Hajime Sagayama, Maximilian Seydi Kilic, Kevin Tran, Franz Renz, Masayuki Nihei
Chemistry–A European Journal 頁： e71440 2026年7月
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Anomalous phase behaviors near the multiphase coexistence point in 1-alkyl-3-methylimidazolium ionic liquids 査読有り
Hiroshi Abe, Ryo Suzuki, Akihisa Aimi, Hiroaki Kishimura, Daisuke Okuyama, Hajime Sagayama
The Journal of Chemical Physics 164 巻 ( 24 ) 頁： 244504 - 244504 2026年6月
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Single-crystal neutron diffraction study of the insulating phase in NdBaMn2O6 査読有り
S. Yamada, R. Kiyanagi, A. Nakao, H. Sagayama, and T. Arima
Physical Review B 113 巻 ( 20 ) 頁： 205142-1 - 205142-9 2026年5月
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Long-period ordering induced by hydrogen doping in NdNiO3 films on SrTiO3 (001) substrates 査読有り 国際共著 Open Access
Tomoki Deguchi, Takeshi Hara, Yuta Ishii, Hao-Bo Li, Azusa N. Hattori, Hidekazu Tanaka, Hajime Sagayama, and Yusuke Wakabayashi
Physical Review B 113 巻 ( 17 ) 頁： 174113-1 - 174113-7 2026年5月
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Ferri-type Magnetic Toroidal Dipoles in the Chiral Crystal Structure Phase of Nd3Ir4Sn13 査読有り
Kazuaki Iwasa, Ami Shimoda, Tsubasa Sawada, Keitaro Kuwahara, Hajime Sagayama, Hironori Nakao, Motoyuki Ishikado, Toru Ishigaki, Akinori Hoshikawa
Journal of the Physical Society of Japan 95 巻 ( 4 ) 頁： 044711-1 - 044711-7 2026年4月
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Perfectly harmonic spin cycloid and multi-Q textures in the Weyl semimetal GdAlSi 査読有り Open Access
Ryota Nakano, Rinsuke Yamada, Juba Bouaziz, Maurice Colling, Masaki Gen, Kentaro Shoriki, Yoshihiro Okamura, Akiko Kikkawa, Ryo Misawa, Priya R Baral, Shunsuke Kitou, Yuiga Nakamura, Hiroyuki Ohsumi, Yoshikazu Tanaka, Hajime Sagayama, Hironori Nakao, Yuki Ishihara, Kamini Gautam, Oscar Fabelo, Yasujiro Taguchi, Youtarou Takahashi, Masashi Tokunaga, Taka-hisa Arima, Yoshinori Tokura, Ryotaro Arita, Jan Masell, Satoru Hayami, Max Hirschberger
Nature Communications 17 巻 ( 1 ) 頁： 3056 2026年4月
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Field-induced evolution of the ferrimagnetic ground state and possible thermally induced spin chirality in Tb3Ru4Al12 査読有り
Kosuke Karube, Shang Gao, Nguyen Duy Khanh, Akiko Kikkawa, Hironori Nakao, Hajime Sagayama, Max Hirschberger, Taro Nakajima, Taka-hisa Arima,Masahito Mochizuki, Yoshinori Tokura and Yasujiro Taguchi
Physical Review B 113 巻 ( 13 ) 頁： 134417-1 - 134417-13 2026年4月
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Frustrated random-singlet state with ice-type structural fluctuation in spinel titanates 査読有り Open Access
Noriaki Hanasaki, Takayuki Hattori, Takumi Komoda, Kouei Minamoto, Shuhei Torigoe, Satoshi Yamashita, Yasuhiro Nakazawa, Takehito Nakano, Kouhei Yoshimi, Mitsuharu Yashima, Hidekazu Mukuda, Utami Widyaiswari, Isao Watanabe, Akihiro Koda, Takashi Honda, Toshiya Otomo, Hajime Sagayama, Katsuaki Kodama, Hiroshi Murakawa, Hideaki Sakai
Proceedings of the National Academy of Sciences 123 巻 ( 1 ) 頁： e2517926123 2026年1月
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Superconductivity and suppressed monoclinic distortion in FeTe films enabled by higher-order epitaxy 査読有り Open Access
Yuki Sato, Soma Nagahama, Shunsuke Kitou, Hajime Sagayama, Ilya Belopolski, Ryutaro Yoshimi, Minoru Kawamura, Atsushi Tsukazaki, Naoya Kanazawa, Takuya Nomoto, Ryotaro Arita, Taka-hisa Arima, Masashi Kawasaki, Yoshinori Tokura
Nature Communications 16 巻 ( 1 ) 頁： 10913 2025年12月
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Volumetric phase transitions in a bulky ionic liquid: trihexyl (tetradecyl) phosphonium hexafluorophosphate 査読有り
Hiroshi Abe, Ryo Suzuki, Akihisa Aimi, Hiroaki Kishimura, Daisuke Okuyama, Hajime Sagayama
Chemical Physics 603 巻 頁： 113016 2025年11月
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Magnetic field-induced tetragonal domain alignment and structural distortion in the spin-orbit-coupled insulator Ba2MgReO6 査読有り
Toshihiko Muroi, Daigorou Hirai, Hajime Sagayama, Taka-hisa Arima, Zenji Hiroi
Physical Review Materials 9 巻 ( 8 ) 頁： 084415 2025年8月
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Low-temperature and high-pressure phase behaviors in ionic liquids: 1-Alkyl-3-methylimidazolium iodide 査読有り
Hiroshi Abe, Shusei Maruyama, Yuto Yoshiichi, Hiroaki Kishimura, Kosuke Kaneko, Tomonori Hanasaki, Daisuke Okuyama, Hajime Sagayama
Journal of Molecular Structure 1349 巻 頁： 143588 2025年8月
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A Rutile-Based Homologous Series Na(PtO2)2n+1 Discovered by Computationally Assisted High-Pressure Synthesis 査読有り Open Access
Yasuhito Kobayashi, Hidefumi Takahashi, Shunsuke Kitou, Akitoshi Nakano, Hajime Sagayama, Yuichi Yamasaki, Shintaro Ishiwata
Inorganic Chemistry 64 巻 ( 33 ) 頁： 16711 - 16720 2025年8月
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Luminescence and nanoheterogeneity in manganese-containing ionic liquid mixtures 査読有り
Hiroshi Abe, Shusei Maruyama, Fumiya Nemoto, Akihisa Aimi, Hiroaki Kishimura, Daisuke Okuyama, Hajime Sagayama
The Journal of Physical Chemistry B 129 巻 ( 19 ) 頁： 4756 - 4764 2025年5月
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Canted antiferromagnetism in a spin-orbit coupled Seff = 3/2 triangular-lattice magnet DyAuGe 査読有り Open Access
Takashi Kurumaji, Masaki Gen, Shunsuke Kitou, Kazuhiko Ikeuchi, Hajime Sagayama, Hironori Nakao, Tetsuya R Yokoo, Taka-hisa Arima
Nature Communications 16 巻 ( 1 ) 頁： 2176 2025年3月
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Local noncentrosymmetric effect on antiferromagnetic ordering in the tetragonal crystal structure phase of Eu3Ir4Sn13 査読有り
Takanobu Kumada, Yotaro Suzuki, Kazuaki Iwasa, Keitaro Kuwahara, Hajime Sagayama, Hironori Nakao, Motoyuki Ishikado, Akinori Hoshikawa
Physical Review B 111 巻 ( 10 ) 頁： 104440 2025年3月
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Exploration of Metastable A-Site-Ordered Perovskites (Ca,Ba)FeO3-δ by Computationally Guided Multistep Synthesis 査読有り Open Access
Masaho Onose, Hidefumi Takahashi, Hajime Sagayama, Yuichi Yamasaki, Shintaro Ishiwata
Journal of the American Chemical Society 147 巻 ( 10 ) 頁： 8260 - 8266 2025年2月
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Triangular Lattice Magnet GdGa2 with Short-Period Spin Cycloids and Possible Skyrmion Phases 査読有り Open Access
Priya Ranjan Baral, Nguyen Duy Khanh, Masaki Gen, Hajime Sagayama, Hironori Nakao, Taka-hisa Arima, Yoshichika ?nuki, Yoshinori Tokura, Max Hirschberger
Journal of the Physical Society of Japan 94 巻 ( 2 ) 頁： 024705 2025年2月
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Mass enhancement and metal-nonmetal transition driven by d-f hybridization in perovskite La1-xPrxCuO3 査読有り Open Access
H Takahashi, M Ito, J Fujioka, M Ochi, S Sakai, R Arita, H Sagayama, Y Yamasaki, S Ishiwata
Physical Review B 111 巻 ( 8 ) 頁： 085153 2025年2月
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Incommensurate broken helix induced by nonstoichiometry in the axion insulator candidate EuIn2As2 査読有り
Masaki Gen, Yukako Fujishiro, Kazuki Okigami, Satoru Hayami, Max T Birch, Kiyohiro Adachi, Daisuke Hashizume, Takashi Kurumaji, Hajime Sagayama, Hironori Nakao, Yoshinori Tokura, Taka-hisa Arima
Physical Review B 111 巻 ( 8 ) 頁： L081109 2025年2月
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Dielectric properties depend on the crystal structure of perovskite-type RbTaO3 synthesized at high pressure 査読有り Open Access
Kimitoshi Murase, Jun-ichi Yamaura, Yousuke Hamasaki, Takeharu Kato, Hajime Sagayama, Ayako Yamamoto
Dalton Transactions 54 巻 ( 6 ) 頁： 2252 - 2256 2025年2月
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Synthesis, Crystal Structure, and Hydrogen Storage Properties of an AB3-Based Alloy Synthesized by Disproportionation Reactions of AB2-Based Alloys 査読有り Open Access
Toyoto Sato, Hiroyuki Saitoh, Reina Utsumi, Jyunya Ito, Kazuki Obana, Yuki Nakahira, Denis Sheptyakov, Takashi Honda, Hajime Sagayama, Shigeyuki Takagi, Tatsuoki Kono, Heena Yang, Wen Luo, Loris Lombardo, Andreas Zuttel, Shin-ichi Orimo
The Journal of Physical Chemistry C 129 巻 ( 6 ) 頁： 2865 - 2873 2025年2月
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Topological Semimetal KAlGe with Novel Electronic Instability 査読有り
Toshiya Ikenobe, Takahiro Yamada, Jun-ichi Yamaura, Tamio Oguchi, Ryutaro Okuma, Daigorou Hirai, Hajime Sagayama, Yoshihiko Okamoto, Zenji Hiroi
Chemistry of Materials 37 巻 ( 1 ) 頁： 189 - 197 2024年12月
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Nonequilibrium Layered PbS Stabilized by Sn Doping: Bipolar Semiconductors with Low Thermal Conductivity 査読有り
Mari Hiramatsu, Zhongxu Hu, Sakura Yoshikawa, Zan Yang, Xinyi He, Takayoshi Katase, Jun-ichi Yamaura, Hajime Sagayama, Terumasa Tadano, Shigenori Ueda, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya
ACS Applied Electronic Materials 6 巻 ( 11 ) 頁： 8339 - 8350 2024年11月
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Multiphase coexistence in an ionic liquid: 1-decyl-3-methylimidazolium nitrate 査読有り
Hiroshi Abe, Shusei Maruyama, Hiroaki Kishimura, Mikio Uruichi, Daisuke Okuyama, Hajime Sagayama
The Journal of Physical Chemistry Letters 15 巻 ( 42 ) 頁： 10668 - 10676 2024年10月
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Odd-parity multipole order in the spin-orbit coupled metallic pyrochlore PbRe2O7-δ 査読有り
Yuki Nakayama, Daigorou Hirai, Hajime Sagayama, Keita Kojima, Naoyuki Katayama, Jannis Lehmann, Ziqian Wang, Naoki Ogawa, Koshi Takenaka
Physical Review Materials 8 巻 ( 5 ) 頁： 055001 2024年5月
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Low-temperature and high-pressure phase transitions of ionic liquid 1-decyl-3-methylimidazolium bromide 査読有り
Hiroshi Abe, Shusei Maruyama, Yuto Yoshiichi, Hiroaki Kishimura, Daisuke Okuyama, Hajime Sagayama
Journal of Molecular Liquids 401 巻 頁： 124583 2024年5月
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A Three‐Dimensionally Extended Metal?Organic Ladder Compound Exhibiting Proton Conduction 査読有り
Hao Liang, Kazuya Otsubo, Yusuke Wakabayashi, Hajime Sagayama, Shogo Kawaguchi, Hiroshi Kitagawa
Angewandte Chemie International Edition 63 巻 ( 14 ) 頁： e202400162 2024年4月
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Antiferromagnetic ordering and chiral crystal structure transformation in Nd3Rh4Sn13 査読有り
Ami Shimoda, Kazuaki Iwasa, Keitaro Kuwahara, Hajime Sagayama, Hironori Nakao, Motoyuki Ishikado, Akiko Nakao, Seiko Ohira-Kawamura, Naoki Murai, Takashi Ohhara, Yusuke Nambu
Physical Review B 109 巻 ( 13 ) 頁： 134425 2024年4月
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Tuning of spin-orbit coupling in chiral molecule-incorporated two-dimensional organic-inorganic hybrid perovskite copper halides with ferromagnetic exchange interactions 査読有り
Kouji Taniguchi, Po-Jung Huang, Hajime Sagayama, Ryoji Kiyanagi, Kazuki Ohishi, Shunsuke Kitou, Yuiga Nakamura, Hitoshi Miyasaka
Physical Review Materials 8 巻 ( 2 ) 頁： 024409 2024年2月