発表論文/Publications
Preprints:
5. G. Tomassucci, F. Minati, L. Tortora, M. Hattori, A. Barinov, M. Kopciuszynski, S. Kitou, H. Sawa, T. Mizokawa, and N. L. Saini
"Electronic structure reconstruction for √3×√3 charge density wave in heavily Cu-intercalated TiSe2 revealed by space-resolved photoemission spectroscopy"
Submitted.
4. Shunsuke Kitou, Kentaro Ueda, Yuiga Nakamura, Kunihisa Sugimoto, Yusuke Nomura, Ryotaro Arita, Yoshinori Tokura, and Taka-hisa Arima
"Visualization of spin-orbit entangled 4f electrons"
Submitted. (arXiv:2410.16680)
3. Shunsuke Kitou, Hajime Ishikawa, Yusuke Tokunaga, Masato Ueno, Hiroshi Sawa, Yuiga Nakamura, Yuto Kinoshita, Tatsuya Miyamoto, Hiroshi Okamoto, Koichi Kindo, and Taka-hisa Arima
"Piezoelectric Transition in a Non-pyroelectric Gyroidal Metal-Organic Framework"
Submitted.
2. Takashi Kurumaji, Masaki Gen, Shunsuke Kitou, Hajime Sagayama, Hironori Nakao, and Taka-hisa Arima
"Canted antiferromagnetism in a spin-orbit coupled Seff = 3/2 triangular-lattice magnet DyAuGe"
Nat. Commun., in press. (arXiv:2401.16622)
1. K. Gautam, S. Kitou, Y. Nakamura, A. Yogi, D. K. Shukla , and T. Arima
"Unveiling the Co-3d high-spin and low-spin states in Ca3Co2O6 from electron density distribution using synchrotron X-ray diffraction"
Submitted.
Published papers:
32. Takeshi Hara, Shunsuke Kitou, Naoyuki Katayama, Harukazu Yoshino, and Hiroshi Sawa
"Diffuse Scattering and Low-temperature Crystal Structure of τ-Type Molecular Conductor"
J. Phys. Soc. Jpn. 94, 024602 (2025).
31. Takashi Kurumaji, Masaki Gen, Shunsuke Kitou, and Taka-hisa Arima
"Metamagnetism and anomalous magnetotransport properties in rare-earth-based polar semimetals RAuGe (R= Dy, Ho, and Gd)"
Phys. Rev. B 110, 064409 (2024). (arXiv:2405.00628)
30. T. Hara, N. Katayama, S. Kitou, K. Kojima, S. Kawaguchi, and H. Sawa
"Pseudo-one-dimensional ribbon chain cluster realized under high pressure in 1T-VSe2"
Phys. Rev. B 110, L020103 (2024).
29. Masato Ueno, Takashi Kurumaji, Shunsuke Kitou, Masaki Gen, Yuiga Nakamura, Yusuke Tokunaga, and Taka-hisa Arima
"Contrasting magnetothermal conductivity in sibling Co-based honeycomb-lattice antiferromagnets"
Phys. Rev. B 110, L041116 (2024).
28. Takashi Kurumaji, Shiang Fang, Linda Ye, Shunsuke Kitou, and Joseph Checkelsky
"Metamagnetic multiband Hall effect in Ising antiferromagnet ErGa2"
Proc. Natl. Acad. Sci. USA 121, e2318411121 (2024).
27. Tomoko Fujino, Ryohei Kameyama, Kota Onozuka, Kazuki Matsuo, Shun Dekura, Tatsuya Miyamoto, Zijing Guo, Hiroshi Okamoto, Toshikazu Nakamura, Kazuyoshi Yoshimi, Shunsuke Kitou, Taka-hisa Arima, Hiroyasu Sato, Kaoru Yamamoto, Akira Takahashi, Hiroshi Sawa, Yuiga Nakamura, and Hatsumi Mori
"Orbital hybridization of donor and acceptor to enhance the conductivity of mixed-stack complexes"
Nat. Commun. 15, 3028 (2024). (プレスリリース)
26. Shunsuke Kitou, Masaki Gen, Yuiga Nakamura, Yusuke Tokunaga, and Taka-hisa Arima
"Cluster Rearrangement by Chiral Charge Order in Lacunar Spinel GaNb4Se8"
Chem. Mater. 36, 2993 (2024). (arXiv:2401.03803). (プレスリリース)
25. Shunsuke Kitou, Akitoshi Nakano, Masato Imaizumi, Yuiga Nakamura, Ichiro Terasaki, and Taka-hisa Arima
"Molecular orbital formation and metastable short-range ordered structure in VO2"
Phys. Rev. B 109, L100101 (2024). (arXiv:2310.10193)
24. Kouji Taniguchi, Po-Jung Huang, Hajime Sagayama, Ryoji Kiyanagi, Kazuki Ohishi, Shunsuke Kitou, Yuiga Nakamura, and Hitoshi Miyasaka
"Tuning of spin-orbit coupling in chiral molecule-incorporated two-dimensional organic-inorganic hybrid perovskite copper halides with ferromagnetic exchange interactions"
Phys. Rev. Materials 8, 024409 (2024). (Editors' Suggestion)
23. Daisuke Urushihara, Chie Ando, Mai Komabuchi, Koichiro Fukuda, Yuki Nakahira, Chikako Moriyoshi, Shunsuke Kitou, Nobuyuki Abe, Taka-hisa Arima, and Toru Asaka
"Structural phase transition and spin state in perovskite cobalt oxide La1-xPrxCoO3 (x = 0.30, 0.34)"
Phys. Rev. B 109, 024115 (2024).
22. Shunsuke Kitou, Masaki Gen, Yuiga Nakamura, Kunihisa Sugimoto, Yusuke Tokunaga, Shintaro Ishiwata, and Taka-hisa Arima
"Real-Space Observation of Ligand Hole State in Cubic Perovskite SrFeO3"
Adv. Sci. 10, 2302839 (2023). (arXiv:2303.02571) (プレスリリース)
21. Shunsuke Kitou, Yoshio Kaneko, Yuiga Nakamura, Kunihisa Sugimoto, Yusuke Nomura, Ryotaro Arita, Yoshinori Tokura, Hiroshi Sawa, and Taka-hisa Arima
"Visualization of 4d orbital electrons in a pyrochlore-type oxide"
Phys. Rev. B 108, 024103 (2023).
20. N. Katayama, Y. Matsuda, K. Kojima, T. Hara, S. Kitou, N. Mitsuishi, H. Takahashi, S. Ishiwata, K. Ishizaka, and H. Sawa
"Observation of local atomic displacements intrinsic to the double zigzag chain structure of 1T-MTe2 (M = V, Nb, Ta)"
Phys. Rev. B 107, 245113 (2023). (arXiv:2306.05611)
19. Takashi Kurumaji, Masaki Gen, Shunsuke Kitou, Kazuhiko Ikeuchi, Mitsutaka Nakamura, Akihiko Ikeda, and Taka-hisa Arima
"Single crystal growths and magnetic properties of hexagonal polar semimetals RAuGe (R = Y, Gd―Tm, and Lu)"
J. Alloy. Compd. 947, 169475 (2023). (arXiv:2301.02794)
18. Shunsuke Kitou†, Yu Oshima†, Atsutomo Nakamura, Katsuyuki Matsunaga, and Hiroshi Sawa
"Room-temperature plastic deformation modes of cubic ZnS crystals"
Acta Materialia 247, 118738 (2023).
17. Masaki Gen, Rina Takagi, Yoshito Watanabe, Shunsuke Kitou, Hajime Sagayama, Naofumi Matsuyama, Yoshimitsu Kohama, Akihiko Ikeda, Yoshichika Onuki, Takashi Kurumaji, Taka-hisa Arima, and Shinichiro Seki
"Rhombic skyrmion lattice coupled with orthorhombic structural distortion in EuAl4"
Phys. Rev. B 107, L020410 (2023). (arXiv:2209.12751)
16. Takashi Kurumaji, Masaki Gen, Shunsuke Kitou, Hajime Sagayama, Akihiko Ikeda, and Taka-hisa Arima
"Anisotropic magnetotransport properties coupled with spiral spin modulation in a magnetic semimetal EuZnGe"
Phys. Rev. Materials 6, 094410 (2022). (arXiv:2208.02385)
15. Leonie Spitz, Takuya Nomoto, Shunsuke Kitou, Hironori Nakao, Akiko Kikkawa, Sonia Francoual, Yasujiro Taguchi, Ryotaro Arita, Yoshinori Tokura, Taka-hisa Arima, and Max Hirschberger
"Entropy-assisted, long-period stacking of honeycomb layers in an AlB2-type silicide"
J. Am. Chem. Soc. 144, 16866 (2022).
14. Kentaro Ueda, Hiroaki Ishizuka, Markus Kriener, Shunsuke Kitou, Denis Maryenko, Minoru Kawamura, Taka-hisa Arima, Masashi Kawasaki, and Yoshinori Tokura
"Experimental signatures of versatile Weyl semimetal in pyrochlore iridate with spin-ice like magnetic orders"
Phys. Rev. B 105, L161102 (2022). (Editors' Suggestion) (arXiv:2202.09984).
13. Taishun Manjo, Shunsuke Kitou, Naoyuki Katayama, Shin Nakamura, Takuro Katsufuji, Yoichi Nii, Taka-hisa Arima, Joji Nasu, Takumi Hasegawa, Kunihisa Sugimoto, Daisuke Ishikawa, Alfred Q. R. Baron, and Hiroshi Sawa
"Do electron distributions with orbital degree of freedom exhibit anisotropy?"
12. Shunsuke Kitou, Lidong Zhang, Toshikazu Nakamura, and Hiroshi Sawa
"Complex changes in structural parameters hidden in the universal phase diagram of the quasi-one-dimensional organic conductors (TMTTF)2X (X=NbF6, AsF6, PF6, and Br)"
Phys. Rev. B 103, 184112 (2021).
11. Toshikazu Nakamura, Lidong Zhang, Shunsuke Kitou, and Hiroshi Sawa
"Tetramethyltetrathiafulvalene [(NbOF4)1-]∞: One-Dimensional Charge Transfer Salt with an Infinite Anion Chain"
Inorg. Chem., 60, 5206 (2021). (プレスリリース)
10. Shunsuke Kitou, Takao Tsumuraya, Hikaru Sawahata, Fumiyuki Ishii, Ko-ichi Hiraki, Toshikazu Nakamura, Naoyuki Katayama, and Hiroshi Sawa
"Ambient-pressure Dirac electron system in the quasi-two-dimensional molecular conductor α-(BETS)2I3"
Phys. Rev. B 103, 035135 (2021). (arXiv:2006.08978). (簡単な解説)
9. Shunsuke Kitou, Yuto Hosogi, Ryo Kitaura, Toshio Naito, Toshikazu Nakamura, and Hiroshi Sawa
"Direct Observation of Molecular Orbitals Using Synchrotron X-ray Diffraction"
Crystals 10, 998 (2020). (invited paper, Editor's Choice)
8. Shunsuke Kitou, Taishun Manjo, Naoyuki Katayama, Tatsuya Shishidou, Taka-hisa Arima, Yasujiro Taguchi, Yoshinori Tokura, Toshikazu Nakamura, Toshihiko Yokoyama, Kunihisa Sugimoto, and Hiroshi Sawa
"Collapse of the simple localized 3d1 orbital picture in Mott insulator"
Phys. Rev. Research 2, 033503 (2020). (プレスリリース)
7. Shunsuke Kitou, Takumi Hasegawa, Akitoshi Nakano, Naoyuki Katayama, Satoshi Tsutsui, and Hiroshi Sawa
"Intercalated Cu+ ion dynamics in the two-dimensional layered compound Cu0.33TiSe2"
Phys. Rev. B 101, 094108 (2020). (簡単な解説)
6. P. Bourgeois-Hope, F. Laliberté, E. Lefrançois, G. Grissonnanche, S. René de Cotret, R. Gordon, S. Kitou, H. Sawa, H. Cui, R. Kato, L. Taillefer, and N. Doiron-Leyraud
"Thermal conductivity of the quantum spin liquid candidate EtMe3Sb[Pd(dmit)2]2: No evidence of mobile gapless excitations"
Phys. Rev. X 9, 041051 (2019).
5. Toshio Naito, Naoki Watanabe, Yuuka Sakamoto, Yuuko Miyaji, Takashi Shirahata, Yohji Misaki, Shunsuke Kitou, and Hiroshi Sawa
"A molecular crystal with an unprecedentedly long-lived photoexcited state"
Dalton Trans. 48, 12858 (2019).
4. S. Kitou, A. Nakano, S. Kobayashi, K. Sugawara, N. Katayama, N. Maejima, A. Machida, K. Ichimura, S. Tanda, T. Nakamura, and H. Sawa
"Effect of Cu intercalation and pressure on excitonic interaction in 1T-TiSe2"
Phys. Rev. B 99, 104109 (2019). (arXiv:1902.02046). (簡単な解説)
3. Shunsuke Kitou, Shintaro Kobayashi, Tatsuya Kaneko, Naoyuki Katayama, Seiji Yunoki, Toshikazu Nakamura, and Hiroshi Sawa
"Honeycomb lattice type charge density wave associated with interlayer Cu ions ordering in 1T-CuxTiSe2"
Phys. Rev. B 99, 081111(R) (2019). (簡単な解説)
2. Shunsuke Kitou, Tatsuya Fujii, Tadashi Kawamoto, Naoyuki Katayama, Sachiko Maki, Eiji Nishibori, Kunihisa Sugimoto, Masaki Takata, Toshikazu Nakamura, and Hiroshi Sawa
“Successive Dimensional Transition in (TMTTF)2PF6 Revealed by Synchrotron X-ray Diffraction”
Phys. Rev. Lett. 119, 065701 (2017). (プレスリリース)
1. N. Katayama, K. Sugawara, A. Nakano, S. Kitou, Y. Sugiyama, N. Kawaguchi, H. Ito, T. Higuchi, T. Fujii, and H. Sawa
“Synchrotron x-ray diffraction study of 112-type Ca1-xLaxFeAs2”