Rchr
J-GLOBAL ID：200901086309009690   Update date: Jan. 30, 2025

Kumada Takayuki

クマダ タカユキ | Kumada Takayuki
Affiliation and department：
Japan Atomic Energy Agency Nuclear Science Research Institute

About Japan Atomic Energy Agency Nuclear Science Research Institute


Job title： Principal Researcher
Homepage URL  (1)： http://www.jaea.go.jp
Research field  (3)： Basic physical chemistry ,  Magnetism, superconductivity, and strongly correlated systems ,  Semiconductors, optical and atomic physics
Research keywords  (4)： 固体物理 ,  磁気共鳴 ,  光物性 ,  中性子科学
Research theme for competitive and other funds  (15)：
  • 2021 - 2026 Time-resolved spin contrast variation for precise nanostructure determination
  • 2021 - 2024 Innovative study of the spintronics using the angular momentum of nuclear spins
  • 2020 - 2022 Understanding specific binidng of radionuclides by organic-inorganiccomposites by nanos-cale structural analyses
  • 2018 - 2021 Development of spin-contrast-variation neutron reflectometry to measure multi-layered system
  • 2018 - 2021 複合材料の表面・界面構造解析 を目指したスピンコントラスト 中性子反射率法の開発
Show all
Papers (142)：
  • Takayuki Kumada, Ryuhei Motokawa, Hiroki Iwase. Low-background ultrahigh-purity aluminium window for small-angle neutron scattering using monochromatic cold neutrons. Journal of Applied Crystallography. 2024. 57. 3. 728-733
  • Takayuki Kumada, Daisuke Iwahara, Shotaro Nishitsuji, Kazuhiro Akutsu-Suyama, Daisuke Miura, Ryuhei Motokawa, Tsuyoshi Sugita, Naoya Torikai, Naoya Amino, Takayuki Oku, et al. Interpenetration of Rubber and Silane Coupling Agent on an Inorganic Substrate Revealed by Spin-Contrast-Variation Neutron Reflectivity. The Journal of Physical Chemistry C. 2024. 128. 21. 8797-8802
  • Yohei Nakanishi, Motoki Shibata, Satoshi Sawada, Hiroaki Kondo, Ryuhei Motokawa, Takayuki Kumada, Katsuhiro Yamamoto, Kazuki Mita, Tsukasa Miyazaki, Mikihito Takenaka. Analyses of hierarchical structures in SBR rubber by using contrast-variation SANS: effects of a silane coupling agent. Polymer. 2024. 127209-127209
  • Koji Kaneko, Chihiro Tabata, Masato Hagihala, Hiroki Yamauchi, Yojiro Oba, Takayuki Kumada, Masato Kubota, Yuki Kojima, Nozomi Nabatame, Miki Sasaki, et al. New Standard for Low Temperature Sample Environment at JAEA/JRR-3. Proceedings of 11th International Workshop on Sample Environment at Scattering Facilities (ISSE Workshop Nasu 2022). 2024
  • Takayuki Kumada, Ryuhei Motokawa, Yojiro Oba, Hiroshi Nakagawa, Yurina Sekine, Cyril Micheau, Yuki Ueda, Tsuyoshi Sugita, Atsushi Birumachi, Miki Sasaki, et al. Upgrade of the small-angle neutron scattering diffractometer SANS-J at JRR-3. Journal of Applied Crystallography. 2023. 56. 6
ｍore...
MISC (189)：
  • Kumada Takayuki, Nakagawa Hiroshi, Miura Daisuke, Sekine Yurina, Motokawa Ryuhei, Hiroi Kosuke, Inamura Yasuhiro, Oku Takayuki, Oishi Kazuki*, Morikawa Toshiaki*, et al. Nanometer-thick crystalline ice plates in rapidly-frozen glucose solution observed by spin-contrast-variation small-angle neutron scattering. Hamon. 2024. 34. 2. 50-53
  • Kumada Takayuki, Miura Daisuke*, Akutsu Kazuhiro*, Oku Takayuki, Torikai Naoya*, Niizeki Tomotake*. Structure analysis of asymmetric interface using spin-contrast-variation neutron reflectometry. Hamon. 2022. 32. 4. 165-168
  • 三浦大輔, 熊田高之, 岩田高広. 偏極中性子によるスピンコントラスト変調法を用いた粉末中性子回折測定による分子性結晶中の水素原子位置情報の抽出. 日本結晶学会誌. 2021. 63. 4. 287-293
  • Kumada Takayuki, Motokawa Ryuhei, Nakagawa Hiroshi, Oba Yojiro, Sekine Yurina. Introduction to SANS-J and PNO. Hamon. 2021. 31. 1. 5-6
  • Kumada Takayuki, Akutsu Kazuhiro*, Oishi Kazuki*, Morikawa Toshiaki*, Kawamura Yukihiko*, Sahara Masae*, Suzuki Junichi*, Miura Daisuke*, Torikai Naoya*. Development of spin-contrast-variation neutron reflectometry. J-PARC 20-02; J-PARC MLF Annual Report 2019. 2021. 38-40
ｍore...
Patents (3)：
  • 有機ラジカル種の製造方法、並びに造影剤の製造方法及び造影剤
  • 造影剤の製造方法
  • スピン偏極電子を用いた陽電子スピン偏極率の測定法
Books (1)：
  • 化学の要点シリーズ20 電子スピン共鳴分光法
    日本化学会 2017
Lectures and oral presentations  (143)：
  • Nanostructure analysis of composite materials using spin-contrast variation small-angle neutron scattering; Case of ice crystals
    (H$_{2}$Oを科学する2024)
  • None
    (北海道大学低温科学研究所・氷科学研究会共同研究集会)
  • Nuclear-spin-polarized small-angle neutron scattering study of nanoice crystals in rapidly frozen sugar solutions
    (第63回電子スピンサイエンス学会年会(SEST2024))
  • Polarization analysis instruments for separation of incoherent scattering at BL15 TAIKAN and SANS-J
    (Workshop on Polarized Neutron Sciences and Technology)
  • 90\% background reduction using 99.999\% aluminium windows and 30 times enhancement of polarized neutron flux using extended short-focal-length magnetic lenses in SANS-J at JRR-3
    (13th Design and Engineering of Neutron Instruments Meeting (DENIM XIII))
ｍore...
Professional career (1)：
  • 博士(理学) (大阪大学)
Work history (5)：
  • 2022/04 - 現在 Japan Atomic Energy Agency Materials Sciences Research Center Principal Researcher
  • 2012/04 - 2022/03 日本原子力研究開発機構 Group Leader
  • 2011/07 - 2012/03 日本原子力研究開発機構 Principal Researcher
  • 2006/07 - 2011/06 日本原子力研究開発機構 Associate principal researcher
  • 1995/04 - 2006/06 日本原子力研究開発機構 Researcher
Committee career (3)：
  • 2022/02 - 現在 Hydrogenomics Alliance Japan Director
  • 2024/02 - 2026/02 The society of electron spin science and technology General Affairs Director
  • 中性子ビーム利用専門部会 委員
Awards (3)：
  • 電子スピンサイエンス学会 奨励賞 固体水素による低温固相内化学反応の研究
  • 日本原子力研究開発機構 有功賞 パラ水素マトリックスを用いた高分解能ESR分光法による極低温固相内分子運動と化学反応の研究
  • 日本放射線化学会 奨励賞 量子固体パラ水素マトリックスを用いた固相放射線化学反応の研究における新展開
Association Membership(s) (4)：
THE JAPANESE SOCIETY FOR NEUTRON SCIENCE ,  Hydrogenomics Alliace, Japan ,  THE SOCIETY OF ELECTRON SPIN SCIENCE AND TECHNOLOGY ,  THE PHYSICAL SOCIETY OF JAPAN
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