京都大学 複合原子力科学研究所
核放射物理学研究室
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研究業績

研究室論文リスト

最近の研究業績(2021-)

2024

  • Redox-controlled differential weathering of andesitic pumice: Possible catalytic effects of ferrous/ferric iron on rapid halloysite accumulation in a Holocene tephra layer
    • Hirokazu Fukui, Yuki Matsushi, Tetsuhiro Watanabe, Han Lyu, Shinji Kitao, Yasuhiro Kobayashi, Keiji Shinoda
    Catena 235 (2024), 107685 (17 pages).
    doi>
    (Feb 2024)

  • Measurement of the sub-nanometer vibration amplitudes using 57Fe synchrotron Mössbauer source
    • Hiroyuki Yamashita, Shinji Kitao, Yasuhiro Kobayashi, Hidetoshi Ota, Ryo Masuda, Kosuke Fujiwara, Takaya Mitsui, Makoto Seto
    Interactions 245 (2024), 15.
    doi>
    (Jan 2024)

  • Experimental apparatus for detection of radiative decay of 229Th isomer from Th-doped CaF
    • Takahiro Hiraki, Kjeld Beeks, Michael Bartokos, Hiroyuki Fujimoto, Yuta Fukunaga, Hiromitsu Haba, Yoshitaka Kasamatsu, Shinji Kitao, Adrian Leitner, Takahiko Masuda, Guan Ming, Nobumoto Nagasawa, Ryoichiro Ogake, Koichi Okai, Martin Pimon, Martin Pressler, Noboru Sasao, Fabian Schaden, Thorsten Schumm, Makoto Seto, Yudai Shigekawa, Koutaro Shimizu, Tomas Sikorsky, Kenji Tamasaku, Sayuri Takatori, Tsukasa Watanabe, Atsushi Yamaguchi, Yoshitaka Yoda, Akihiro Yoshimi, Koji Yoshimura
    Interactions 245 (2024), 14.
    doi>
    (Jan 2024)

2023

  • An Intensity Tensor and Electric Field Gradient Tensor for Fe3+ at M1 Sites of Aegirine-Augite Using Single-Crystal Mossbauer Spectroscopy
    • Keiji Shinoda and Yasuhiro Kobayashi
    Minerals 13 (2023), 1452 (17 pages).
    doi>
    (Nov 2023)

  • Compositional dependence of intensity tensor and electric field gradient tensor for Fe2+ at M2 sites of enstatites by single crystal Mossbauer spectroscopy
    • Keiji Shinoda, Keita Onoue, Yasuhiro Kobayashi
    J. Mineral. Petrol. Sci. 118 (2023), 221015 (8 pages).
    doi>
    (Nov 2023)

  • Low-Temperature Hydrogenation of CO2 to Methanol in Water on ZnO-Supported CuAu Nanoalloys
    • Jawaher Mosrati, Tamao Ishida, Hung Mac, Mohammed Al-Yusufi, Tetsuo Honma, Magdalena Parliniska-Wojtan, Yasuhiro Kobayashi, Alexander Klyushin, Toru Murayama, Ali M. Abdel-Mageed
    Angew. Chem. Int. Ed. 62 (2023), e202311340 (11 pages).
    doi>
    (Oct 2023)

  • 197Au Mössbauer Spectroscopy of Thiolate-protected Gold Clusters
    • Norimichi Kojima, Yasuhiro Kobaqyashi, and Makoto Seto
    Mössbauer Spectroscopy: Applications in Chemistry and Materials Science.(Eds. Yann Garcia, Junhu Wang, Tao Zhang, 2023, Wiley) pp. 195-211.
    (Sept 2023)

  • 197Au Mössbauer Spectroscopy of Gold Mixed-Valence Complexes, Cs2 [AuI X2][AuIII Y4 ](X, Y = Cl, Br, I) and [NH3 (CH2)n NH3 ]2[(AuI I2)(AuIII I4)(I3)2](n= 7, 8)
    • Norimichi Kojima, Yasuhiro Kobaqyashi, and Makoto Seto
    Mössbauer Spectroscopy: Applications in Chemistry and Materials Science.(Eds. Yann Garcia, Junhu Wang, Tao Zhang, 2023, Wiley) pp. 213-250.
    (Sept 2023)

  • Nuclear Resonance Vibrational Spectroscopy Definition of Peroxy Intermediates in Catechol Dioxygenases: Factors that Determine Extra- versus Intradiol Cleavage
    • Jeffrey T. Babicz Jr., Melanie S. Rogers, Dory E. DeWeese, Kyle D. Sutherlin, Rahul Banerjee, Lars H. Bottger, Yoshitaka Yoda, Nobumoto Nagasawa, Makina Saito, Shinji Kitao, Masayuki Kurokuzu, Yasuhiro Kobayashi, Kenji Tamasaku, Makoto Seto, John D. Lipscomb, and Edward I. Solomon
    J. Am. Chem. Soc. 145 (2023), 15230–15250.
    doi>
    (Jul 2023)

  • Homogeneous solid-solution formation in Fe2O3-Al2O3 system observed by TEM, XAFS, and Mössbauer spectroscopy
    • Hayato Nakaishi, Takeshi Yabutsuka, Takeshi Yao, Shinji Kitao, Makoto Seto, Wen-Jauh Chen, Yuta Shimonishi, Shuhei Yoshida, Shigeomi Takai
    Mater. Chem. Phys. 303 (2023), 127764 (7 pages).
    doi>
    (Jul 2023)

  • Cubic-type Heusler compound Mn2FeGa thin film with strain-induced large perpendicular magnetic anisotropy
    • Phillip David Bentley, Songtian Li, Keisuke Masuda, Yoshio Miura, Ye Du, Takaya Mitsui, Kosuke Fujiwara, Yasuhiro Kobayashi, Tengyu Guo, Guoqiang Yu, Chihiro Suzuki, Shunya Yamamoto, Fu Zheng, Yuya Sakuraba, and Seiji Sakai
    Phys. Rev. Materials 7 (2023), 064404 (9 pages).
    doi>
    (Jun 2023)

  • Vacuum Ultraviolet Search from Thorium-229 Isomer in Crystal Toward Solid-State Nuclear Clock
    • S. Takatori, Y. Fukunaga, M. Guan, T. Hiraki, T. Masuda, R. Ogake, K. Okai, N. Sasao, K. Shimizu, S. Uetake, A. Yoshimi, K. Yoshimura, M. Yoshimura, K. Tamasaku, Y. Kasamatsu, Y. Yasuda, K. Beeks, F. Schaden, T. Schumm, S. Kitao, M. Seto, H. Fujimoto, T. Watanabe, K. Konashi, M. Watanabe, H. Haba, Y. Shigekawa, A. Yamaguchi, N. Nagasawa, Y. Yoda
    Proceeding of 2023 Joint Conference of the European Frequency and Time Forum and IEEE International Frequency Control Symposium (EFTF/IFCS), Toyama, Japan, 2023
    doi>
    (May 2023)

  • Preparation of Mössbauer sources for 161Dy, 166Er, and 169Tm
    • Shinji Kitao, Yasuhiro Kobayashi, Masayuki Kurokuzu, Takumi Kubota, Makoto Seto
    Hyperfine Interact. 244 (2023), 10 (7 pages).
    doi>
    (Apr 2023)

  • Observation of a critical charge mode in a strange metal
    • Hisao Kobayashi, Yui Sakaguchi, Hayato Kitagawa, Momoko Oura, Shugo Ikeda, Kentaro Kuga, Shintaro Suzuki, Satoru Nakatsuji , Ryo Masuda, Yasuhiro Kobayashi, Makoto Seto, Yoshitaka Yoda, Kenji Tamasaku, Yashar Komijani, Premala Chandra, and Piers Coleman
    Science 379 (2023), 908-912.
    doi>
    (Mar 2023)
    異常金属における超低速臨界電子電荷ゆらぎの観測に成功‐異常金属状態解明の手がかりに‐
    （京都大学のプレス発表ページ）

  • Energy domain synchrotron-radiation-based Mössbauer spectroscopy of EuH2 under a few GPa pressure
    • Ryo Masuda, Naohisa Hirao, Kosuke Fujiwara, Takaya Mitsui, Taku Fujihara, Hiroyuki Yamashita, Hiroyuki Tajima, Masayuki Kurokuzu, Shinji Kitao, Makoto Seto
    Hyperfine Interact. 244 (2023), 5 (7 pages).
    doi>
    (Jan 2023)

2022

  • Development of Time- and Energy-Resolved Synchrotron-Radiation-Based Mössbauer Spectroscopy
    • S. Kitao, R. Masuda, T. Fujihara, H. Tajima, N. Nagasawa, Y. Yoda, T. Masuda, K. Yoshimura and M. Seto
    J. Phys. Conf. Ser. 2380 (2022), 012136 (6 pagas).
    doi>
    (Dec 2022)

  • Mössbauer study of the material of the electric power transformers
    • Yasuhiro Kobayashi, Shinji Kitao, Kosuke Yuasa, Makoto Seto
    Hyperfine Interact. 243 (2022), 26 (7 pagas).
    doi>
    (Dec 2022)

  • Compositional dependence of intensity and electric field gradient tensors for Fe2+ at the M1 site in Ca-rich pyroxene by single crystal Mössbauer spectroscopy
    • Daiki Fukuyama, Keiji Shinoda, Daigo Takagi, Yasuhiro Kobayashi
    J. Mineral. Petrol. Sci. 117 (2022), 220506 (16 pagas).
    doi>
    (Nov 2022)

  • Investigation of the Structure of Atomically Dispersed NiNx Sites in Ni and N-Doped Carbon Electrocatalysts by 61Ni Mössbauer Spectroscopy and Simulations
    • David M. Koshy, Md Delowar Hossain, Ryo Masuda, Yoshitaka Yoda, Leland B. Gee, Kabir Abiose, Huaxin Gong, Ryan Davis, Makoto Seto, Alessandro Gallo, Christopher Hahn, Michal Bajdich, Zhenan Bao, and Thomas F. Jaramillo
    J. Am. Chem. Soc. 144 (2022), 21741-21750.
    doi>
    (Nov 2022)

  • Acoustic Wave Velocities of Ferrous-Bearing MgSiO3 Glass up to 158 GPa With Implications for Dense Silicate Melts at the Base of the Earth's Mantle
    • Izumi Mashino, Motohiko Murakami, Shinji Kitao, Takaya Mitsui, Ryo Masuda, Makoto Seto
    Geophys. Res. Lett. 49 (2022), e2022GL098279 (9 pagas).
    doi>
    (Oct 2022)

  • Microscopic observation of the effects of elongation on the polymer chain dynamics of crosslinked polybutadiene using quasi-elastic γ-ray scattering
    • R. Mashita, M. Saito, Y. Yoda, H. Kishimoto, M. Seto and T. Kanaya
    J. Synchrotron Rad. 29 (2022), 1180-1186.
    doi>
    (Sep 2022)

  • Spin-charge coupling and decoupling in perovskite-type iron oxides (Sr1-xBax)2/3La1/3FeO3
    • M. Onose, H. Takahashi, T. Saito, T. Kamiyama, R. Takahashi, H. Wadati, S. Kitao, M. Seto, H. Sagayama, Y. Yamasaki, T. Sato, F. Kagawa, and S. Ishiwata
    Phys. Rev. Materials6 (2022),094401 (7 pagas).
    doi>
    (Sep 2022)

  • Rayleigh Scattering of Synchrotron Mössbauer Radiation
    • Takaya Mitsui, Ryo Masuda, Shinji Kitao, Yasuhiro Kobayashi, and Makoto Seto
    J. Phys. Soc. Jpn. 91 (2022),064001 (8 pagas).
    doi>
    (Apr 2022)

  • Ni-Fe合金の定常結晶粒径に及ぼすFe含有量の影響
    (Effect of Fe Content on Steady-State Grain Size in Ni-Fe Alloys)
    • 佐藤 宏和, 田﨑 陽斗, 藤田 嶺, 足立 望, 戸髙 義一, 小林 康浩
    (Hirokazu Sato, Akito Tasaki, Ryo Fujita, Nozomu Adachi, Yoshikazu Todaka, and Yasuhiro Kobayashi)
    日本金属学会誌 (J. Japan Inst. Met. Mater.)86 (2022),43-51.(in Japanese)
    doi>
    (Mar 2022)

  • 161Dy synchrotron-radiation-based Mössbauer absorption spectroscopy
    • Ryo Masuda, Shinji Kitao, Hiroyuki Tajima, Hiroki Taniguchi, Takaya Mitsui, Kosuke Fujiwara, Yoshitaka Yoda, Nobumoto Nagasawa, Daisuke Ishikawa, Alfred. Q. R. Baron, Takefumi Yoshida, Tetsu Sato, Keiichi Katoh, Hisao Kobayashi and Makoto Seto
    Hyperfine Interact. 243 (2022), 17 (8 pages).
    doi>
    (Mar 2022)

  • Microscopic observation of hidden Johari-Goldstein-β process in glycerol
    • Makina Saito, Masayuki Kurokuzu, Yoshitaka Yoda, and Makoto Seto
    Phys. Rev. E105 (2022), L012605 (4 pages).
    doi>
    (Jan 2022)

2021

  • Mössbauer spectroscopy with polarized synchrotron beams at Fe/Au (111) interface
    • Jun Okabayashi, Songtian Li, Seiji Sakai, Yasuhiro Kobayashi, Kosuke Fujiwara, Takaya Mitsui and Seiji Mitani
    Hyperfine Interact. 242 (2021), 59 (8 pages).
    doi>
    (Dec 2021)

  • Effect of silica-nanoparticle fillers on the Johari-Goldstein-β process in polymer nanocomposites
    • Makina Saito, Ryo Mashita, Toshiji Kanaya, Hiroyuki Kishimoto, Yoshitaka Yoda and Makoto Seto
    Hyperfine Interact. 242 (2021), 58 (7 pages).
    doi>
    (Dec 2021)

  • Direct observation of magnetic Friedel oscillation at Fe(001) surface
    • Takaya Mitsui, Seiji Sakai, Songtian Li, Tetsuro Ueno, Tetsu Watanuki, Yasuhiro Kobayashi, Ryo Masuda, Makoto Seto and Hisazumi Akai
    Hyperfine Interact. 242 (2021), 37 (15 pages).
    doi>
    (Nov. 2021)

  • Nuclear Resonance Vibrational Spectroscopic Definition of the Fe(IV)2 Intermediate Q in Methane Monooxygenase and Its Reactivity
    • Ariel Benjamin Jacobs, Rahul Banerjee, Dory Ellen Deweese, Augustin Braun, Jeffrey Thomas Babicz Jr., Leland Bruce Gee, Kyle David Sutherlin, Lars Hendrik Bottger, Yoshitaka Yoda, Makina Saito, Shinji Kitao, Yasuhiro Kobayashi, Makoto Seto, Kenji Tamasaku, John D. Lipscomb, Kiyoung Park, and Edward I. Solomon
    J. Am. Chem. Soc. 143 (2021), 16007-16029.
    doi>
    (Sep 2021)

  • Pure Nuclear Bragg Reflection due to Combined Magnetic and Quadrupole Interaction in Fe3O4
    • Shin Nakamura, Takaya Mitsui, Masayuki Kurokuzu, and Susumu Shimomura
    J. Phys. Soc. Jpn. 90 (2021), 104713 (5 pages).
    doi>
    (Sep 2021)

  • Relationship between Viscosity and Acyl Tail Dynamics in Lipid Bilayers
    • Michihiro Nagao, Elizabeth G. Kelley, Antonio Faraone, Makina Saito, Yoshitaka Yoda, Masayuki Kurokuzu, Shinichi Takata, Makoto Seto, and Paul D. Butler
    Phys. Rev. Lett.127 (2021), 078102 (7 pages).
    doi>
    (Aug 2021)

  • Element-specific magnetic hysteresis loops observed in hexagonal ErFeO3 thin films
    • Hiroko Yokota, Yu Kobori, Shunsuke Jitsukawa, Seiji Sakai, Yukiharu Takeda, Takaya Mitsui, Yasuhiro Kobayashi and Shinji Kitao
    Mater. Res. Express 8 (2021), 086402 (8 pages).
    doi>
    (Aug 2021)

  • Mixed-valence state and structure changes of EuHx (x=2 and 2<x≤3) under high-pressure H2 atmosphere
    • Keiji Kuno, Takahiro Matsuoka, Ryo Masuda, Takaya Mitsui, Makoto Seto, Akihiko Machida, Hiroshi Fujihisa, Naohisa Hirao, Yasuo Ohishi, Katsuya Shimizu, Shigeo Sasaki
    J. Alloy. Compd. 865 (2021), 158637 (6 pages).
    doi>
    (Jun 2021)

  • Direct coordination of pterin to FeII enables neurotransmitter biosynthesis in the pterin-dependent hydroxylases
    • Shyam R. Iyer, Kasper D. Tidemand, Jeffrey T. Babicz Jr, Ariel B. Jacobs, Leland B. Gee, Larke T. Haahr, Yoshitaka Yoda, Masayuki Kurokuzu, Shinji Kitao, Makina Saito, Makoto Seto, Hans E. M. Christensen, Gunther H. J. Peters, and Edward I. Solomon
    Proc. Nat. Acad. Sci. USA 118 (2021), e2022379118 (8 pages).
    doi>
    (Apr 2021)

  • Perpendicular magnetic anisotropy at the Fe/Au(111) interface studied by Mössbauer, x-ray absorption, and photoemission spectroscopies
    • J. Okabayashi, S. Li, S. Sakai, Y. Kobayashi, T. Mitsui, K. Tanaka, Y. Miura, S. Mitani
    Phys. Rev. B 103 (2021), 104435.
    doi>
    (Mar 2021)

  • Appearance of pentavalent Fe ion as a result of a charge disproportionation in Fe-substituted Li2MnO3
    • Mitsuharu Tabuchi, Yasuhiro Kobayashi
    J. Phys. Chem. Solids 150 (2021), 109862.
    doi>
    (Mar 2021)

  • Absolute X-ray energy measurement using a high-accuracy angle encoder
    • Takahiko Masuda, Tsukasa Watanabe, Kjeld Beeks, Hiroyuki Fujimoto, Takahiro Hiraki, Hiroyuki Kaino, Shinji Kitao, Yuki Miyamoto, Koichi Okai, Noboru Sasao, Makoto Seto, Thorsten Schumm, Yudai Shigekawa, Kenji Tamasaku, Satoshi Uetake, Atsushi Yamaguchi, Yoshitaka Yoda, Akihiro Yoshimi and Koji Yoshimura
    J. Synchrotron Rad. 28 (2021), 111-119.
    doi>
    (Jan 2021)

  • Synchrotron-Radiation-Based Energy-Domain Mössbauer Spectroscopy, Nuclear Resonant Inelastic Scattering, and Quasielastic Scattering Using Mössbauer Gamma Rays
    • M. Seto, R. Masuda, M. Saito
    Topics in Applied Physics, "Modern Mössbauer Spectroscopy" (ed. Yutaka Yoshida, Guido Langouche, Springer Nature) vol. 137, pp. 57-104 (2021).
    doi>
    (Jan 2021)