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Motokawa Ryuhei  元川 竜平

… Alternative Names

MOTOKAWA Ryuhei  元川 竜平

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Researcher Number 50414579
Other IDs
  • ORCIDhttps://orcid.org/0000-0001-5010-0112
Affiliation (Current) 2022: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 原子力科学研究所 物質科学研究センター, 研究主幹
Affiliation (based on the past Project Information) *help 2018 – 2022: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 原子力科学研究所 物質科学研究センター, 研究主幹
2017: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 物質科学研究センター, 研究主幹
2016: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 物質科学研究センター, 研究副主幹
2016: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門, 研究副主幹
2015 – 2016: 国立研究開発法人日本原子力研究開発機構, 量子ビーム応用研究センター, 研究副主幹 … More
2015: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 量子ビーム応用研究センター, 研究副主幹
2014: 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究センター, 研究副主幹
2013 – 2014: 独立行政法人日本原子力研究開発機構, 原子力科学研究部門 量子ビーム応用研究センター, 研究副主幹
2013: 独立行政法人日本原子力研究開発機構, 原子力科学研究部門 量子ビーム応用研究センター, 研究員
2013: 独立行政法人日本原子力研究開発機構, 原子力科学研究部門・量子ビーム応用研究センター, 研究副主幹
2013: 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究副主幹
2011 – 2012: 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究員
2010: 独立行政法人日本原子力研究開発機構, 量子ビーム応用研究部門, 研究職 Less
Review Section/Research Field
Principal Investigator
Nuclear engineering / Basic Section 31010:Nuclear engineering-related
Except Principal Investigator
Metal making/Resorce production engineering / Basic Section 31010:Nuclear engineering-related / Recycling engineering / Nuclear engineering / Optical engineering, Photon science / Basic Section 80040:Quantum beam science-related / Medium-sized Section 31:Nuclear engineering, earth resources engineering, energy engineering, and related fields / Basic Section 26060:Metals production and resources production-related / Basic Section 34020:Analytical chemistry-related
Keywords
Principal Investigator
中性子散乱 / バックエンド / 中性子小角散乱 / 溶媒抽出 / ナノ構造 / 高分子化学 / ナノ構造解析 / 原子力 / 錯体 / 希少元素 … More / 原子力エネルギー / ナノ材料 / 放射線・X線・粒子線 / 保健物理 / 環境安全 / 除染 / 分離化学 / 吸着剤 / 抽出錯体 / PUREX / X線小角散乱 / 階層構造 / EXAFS / 相分離 / 再処理 / 抽出 / 第三相 / 凝集 / 中性子小角散乱法 / ガラス固化 / 中性子回折 / ガラス固化体 / 中性子共鳴吸収イメージング / イメージング / 分離 / 小角散乱 … More
Except Principal Investigator
溶媒抽出 / 小角散乱 / 構造解析 / アミン / ロジウム / スルフィド / 協同効果 / 抽出機構 / 廃棄物再資源化 / 反応・分離工学 / 化学工学 / 溶液化学 / パラジウム / 中性子反射率 / 核偏極 / ナノ構造 / 白金族 / アミド / 抽出錯体 / ルテニウム / 中性子小角散乱 / 錯体構造 / 溶液錯体構造 / バックエンド / 地層処分 / 粘土鉱物 / 水のダイナミクス / X線小角散乱 / 中性子準弾性散乱 / 中性子散乱 / ベントナイト / 白金族金属 / 抽出速度 / 希釈剤効果 / 液―液界面 / 界面張力 / DHS / X線レーザー小角散乱 / フェムト秒レーザーアブレーション / 時分割反射率測定 / 核偏極中性子散乱 / 反射率測定 / 中性子 / 薄膜 / 多層膜構造 / レーザーアブレーション / X線レーザー / 非熱効果 / アブレーションダイナミクス / 偏極中性子 / コロイド / 階層構造 / 非平衡反応 / X線小角散乱(SAXS) / 分子集合体 / セリアナノコロイド / 計算機シミュレーション / 散逸構造 / ソフトマター / 秩序パラメーター / ナノクラスター / 四価fブロック / 天然有機物 / 鉱物 / 天然有機物質 / 貴金属 / 金 / 酸化物固溶体 / 溶解挙動 / マルチスケール構造解析 / 主成分分析 / 熱力学解析 / ジルコニウム / セリウム / X線回折 / XANES / EXAFS / 溶解度 / 粉末X線回折 / 燃料デブリ / 水素結合 / 蛍光プローブ / HBI / 界面 Less
  • Research Projects

    (16 results)
  • Research Products

    (64 results)
  • Co-Researchers

    (23 People)
  •  Nanoscopic structures for separating radioactive metal ions in liquid-liquid extractionPrincipal Investigator

    • Principal Investigator
      元川 竜平
    • Project Period (FY)
      2022 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 31010:Nuclear engineering-related
    • Research Institution
      Japan Atomic Energy Agency
  •  Time-resolved spin contrast variation for precise nanostructure determination

    • Principal Investigator
      熊田 高之
    • Project Period (FY)
      2021 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 80040:Quantum beam science-related
    • Research Institution
      Japan Atomic Energy Agency
  •  Fluorescence detection of hydrogen-bonding strength using ESIPT-type fluorescent probe

    • Principal Investigator
      阿久津 和宏
    • Project Period (FY)
      2021 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 34020:Analytical chemistry-related
    • Research Institution
      一般財団法人総合科学研究機構(総合科学研究センター(総合科学研究室)及び中性子科学センター(研究開発
  •  The structural order and physical interaction between tetravalent f-block metals that form super cluster

    • Principal Investigator
      青柳 登
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 31010:Nuclear engineering-related
    • Research Institution
      Japan Atomic Energy Agency
  •  Understanding specific binidng of radionuclides by organic-inorganiccomposites by nanos-cale structural analyses

    • Principal Investigator
      Saito Takumi
    • Project Period (FY)
      2020 – 2021
    • Research Category
      Grant-in-Aid for Challenging Research (Exploratory)
    • Review Section
      Medium-sized Section 31:Nuclear engineering, earth resources engineering, energy engineering, and related fields
    • Research Institution
      The University of Tokyo
  •  液ー液抽出における貴金属錯体の界面反応及び高次構造に基づく新規分離系開発

    • Principal Investigator
      成田 弘一
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 26060:Metals production and resources production-related
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  Structural approach to understanding the dissolution behavior of solid-solution fuel debris

    • Principal Investigator
      小林 大志
    • Project Period (FY)
      2020 – 2022
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 31010:Nuclear engineering-related
    • Research Institution
      Kyoto University
  •  Development of vitrification technique based on structural analysis using neutron scatteringPrincipal Investigator

    • Principal Investigator
      MOTOKAWA Ryuhei
    • Project Period (FY)
      2018 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 31010:Nuclear engineering-related
    • Research Institution
      Japan Atomic Energy Agency
  •  Elucidation of aggregation properties of complexes in the organic phase and development of extraction solvents for platinum group metals

    • Principal Investigator
      Narita Hirokazu
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Metal making/Resorce production engineering
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  Mesoscopic investigation of nuclide sorption behavior on clay minerals by X-ray and neutron scattering

    • Principal Investigator
      Endo Hitoshi
    • Project Period (FY)
      2016 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Nuclear engineering
    • Research Institution
      High Energy Accelerator Research Organization
  •  Femtosecond laser ablation studied by time-resolved soft X-ray small-angle scattering using X-ray laser

    • Principal Investigator
      KUMADA Takayuki
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Optical engineering, Photon science
    • Research Institution
      Japan Atomic Energy Agency
  •  Development of new rhodium extraction systems by using synergistic effect and analyses of their separation mechanism

    • Principal Investigator
      Narita Hirokazu
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Metal making/Resorce production engineering
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  Hierarchical structure and its dynamics: self-assembly of extracted coordination species in a spent fuel reprocessing processPrincipal Investigator

    • Principal Investigator
      Motokawa Ryuhei
    • Project Period (FY)
      2014 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Nuclear engineering
    • Research Institution
      Japan Atomic Energy Agency
  •  Development of regenerative polymer adsorbent for reducing volume of radiocesium from waste zeolitePrincipal Investigator

    • Principal Investigator
      MOTOKAWA Ryuhei
    • Project Period (FY)
      2012 – 2013
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Nuclear engineering
    • Research Institution
      Japan Atomic Energy Agency
  •  Elucidation of outer-sphere size recognition effects and development of new separation reagents for extraction of platinum group metals

    • Principal Investigator
      NARITA Hirokazu
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Recycling engineering
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  Recovery of Rare Elements from High Revel Radioactive Effluent by Using Nano-assembled PolymersPrincipal Investigator

    • Principal Investigator
      MOTOKAWA Ryuhei
    • Project Period (FY)
      2010 – 2011
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Nuclear engineering
    • Research Institution
      Japan Atomic Energy Agency

All 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 Other

All Journal Article Presentation Patent

  • [Journal Article] New Design of a Sample Cell for Neutron Reflectometry in Liquid-Liquid Systems and Its Application for Studying Structures at Air-Liquid and Liquid-Liquid Interfaces2022

    • Author(s)
      Akutsu-Suyama Kazuhiro、Yamada Norifumi L.、Ueda Yuki、Motokawa Ryuhei、Narita Hirokazu
    • Journal Title

      Applied Sciences

      Volume: 12 Pages: 1215-1215

    • DOI

      10.3390/app12031215

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20H02497, KAKENHI-PROJECT-21K05121
  • [Journal Article] Nanoscopic structure of borosilicate glass with additives for nuclear waste vitrification2022

    • Author(s)
      Ryuhei Motokawa, Koji Kaneko, Yojiro Oba, Takayuki Nagai, Yoshihiro Okamoto, Taishi Kobayashi, Takayuki Kumada, William T. Heller
    • Journal Title

      Journal of Non-Crystalline Solids

      Volume: 578 Pages: 121352-121358

    • DOI

      10.1016/j.jnoncrysol.2021.121352

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01921
  • [Journal Article] SANS-JとPNOの紹介2021

    • Author(s)
      熊田高之, 元川竜平, 中川洋, 大場洋次郎, 関根由莉奈
    • Journal Title

      波紋日本中性子科学会

      Volume: 31 Pages: 5-6

    • Data Source
      KAKENHI-PROJECT-20K21160
  • [Journal Article] A Telescoping View of Solute Architectures in a Complex Fluid System2019

    • Author(s)
      Ryuhei Motokawa, Tohru Kobayashi, Hitoshi Endo,, Junju Mu, Christopher D. Williams, Andrew J. Masters, Mark R. Antonio, William T. Heller, Michihiro Nagao
    • Journal Title

      ACS Central Science

      Volume: 5 Pages: 85-96

    • DOI

      10.1021/acscentsci.8b00669

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16H04640, KAKENHI-PROJECT-18H01921
  • [Journal Article] A Novel Microemulsion Phase Transition: Toward the Elucidation of Third-Phase Formation in Spent Nuclear Fuel Reprocessing2018

    • Author(s)
      Junju Mu, Ryuhei Motokawa, Kazuhiro Akutsu,Shotaro Nishitsuji, and Andrew J. Masters
    • Journal Title

      The Journal of Physical Chemistry B

      Volume: 122 Pages: 1439-1452

    • DOI

      10.1021/acs.jpcb.7b08515

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Journal Article] Recent Research in Solvent Extraction of Platinum Group Metals2017

    • Author(s)
      成田 弘一、鈴木 智也、元川 竜平
    • Journal Title

      J. Japan Inst. Metals

      Volume: 81 Issue: 4 Pages: 157-167

    • DOI

      10.2320/jinstmet.je201604

      10.2320/jinstmet.JE201604

    • NAID

      130007334874

    • ISSN
      0021-4876, 1880-6880, 2433-7501
    • Language
      Japanese
    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-26289283, KAKENHI-PROJECT-26289368
  • [Journal Article] Photonic Crystals Fabricated by Block-Copolymerization-induced Microphase Separation」Macromolecules2016

    • Author(s)
      R. Motokawa, T. Taniguchi, T. Kumada, Y. Iida, S. Aoyagi, Y. Sasaki, M. Kohri, and K. Kishikawa
    • Journal Title

      Macromolecules

      Volume: 49 Pages: 2036-2045

    • DOI

      10.1021/acs.macromol.6b01190

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PUBLICLY-15H01593, KAKENHI-PROJECT-15K04706
  • [Journal Article] A Comparative Molecular Dynamic Study on Tri-n-butyl phosphate in Organic and Aqueous Environments and Its Relevance to Nuclear Extraction Processes2016

    • Author(s)
      Junju Mu , Ryuhei Motokawa, Christopher D. Williams, Akutsu Kazuhiro, Shotaro Nishitsuji, and Andrew J. Masters
    • Journal Title

      J. Phys. Chem. B

      Volume: 120 Pages: 5183-5193

    • DOI

      10.1021/acs.jpcb.6b00781

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Journal Article] Small-angle Neutron Scattering Study of Specific Interaction and Coordination Structure Formed by Mono-acetyl Substituted Dibenzo-20-crown-6-ether and Cesium Ions2016

    • Author(s)
      Ryuhei Motokawa, Tohru Kobayashi, Hitoshi Endo, Takashi Ikeda, Tsuyoshi Yaita, Shinichi Suzuki, Hirokazu Narita, Kazuhiro Akutsu, and William T. Heller
    • Journal Title

      J. Nucl. Sci. Technol.

      Volume: 53 Pages: 1205-1211

    • DOI

      10.1080/00223131.2015.1102100

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Journal Article] Neutron Polarization Analysis for Biphasic Solvent Extraction System2016

    • Author(s)
      Ryuhei Motokawa, Hitoshi Endo, Michihiro Nagao, and William T. Heller
    • Journal Title

      Solvent Extr. Ion Exch.

      Volume: 34 Pages: 399-406

    • DOI

      10.1080/07366299.2016.1201980

    • Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Journal Article] Collective Structural Changes in Vermiculite Clay Suspensions Induced by Cesium Ions2014

    • Author(s)
      Ryuhei Motokawa, Hitoshi Endo, Shingo Yokoyama, Shotaro Nishitsuji, Tohru Kobayashi, Shinichi Suzuki, Tsuyoshi Yaita
    • Journal Title

      Scientific Reports

      Volume: 4

    • DOI

      10.1038/srep06585

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-25400433, KAKENHI-PROJECT-26289368
  • [Journal Article] Mesoscopic Structures of Vermiculite and Weathered Biotite Clays in Suspension with and without Cesium Ions2014

    • Author(s)
      Ryuhei Motokawa, Hitoshi Endo, Shingo Yokoyama, Hiroki Ogawa, Tohru Kobayashi, Shinichi Suzuki, Tsuyoshi Yaita
    • Journal Title

      Langmuir

      Volume: 30 Pages: 15127-15134

    • DOI

      10.1021/la503992p

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25400433, KAKENHI-PROJECT-26289368
  • [Journal Article] Microscopic Structures of Tri-n-butyl Phosphate/n-Octane Mixtures by X-ray and Neutron Scattering in a Wide q Range2012

    • Author(s)
      R. Motokawa, S. Suzuki, H. Ogawa, M. R. Antonio, and T. Yaita
    • Journal Title

      J. Phys. Chem. B

      Volume: vol.116 Pages: 1319-1327

    • DOI

      10.1021/jp210808r

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22760683
  • [Journal Article] Small-Angle Neutron Scattering Study on Specific Polymerization Loci Induced by Copolymerization of Polymerizable Surfactant and Styrene during Miniemulsion Polymerization2012

    • Author(s)
      R. Motokawa
    • Journal Title

      Macromolecules

      Volume: 45 Pages: 9435-9444

    • DOI

      10.1021/ma301776b

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23750119, KAKENHI-PROJECT-24760720
  • [Patent] セシウムの吸着材、セシウムの吸着物質及びセシウムの吸着材を用いた放射性セシウム含有物質の処理方法2013

    • Inventor(s)
      元川竜平、矢板毅、鈴木伸一、小林 徹、宮崎有史、江口勇司、脇屋武司
    • Industrial Property Rights Holder
      独立行政法人日本原子力研究開発機構、積水化学工業株式会社
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2013-185567
    • Filing Date
      2013-09-06
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Patent] 放射性物質の処理方法2013

    • Inventor(s)
      矢板毅、鈴木伸一、元川竜平、宮崎有史、小林徹、江口勇司、脇屋武司
    • Industrial Property Rights Holder
      独立行政法人日本原子力研究開発機構、積水化学工業株式会社
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2013-185566
    • Filing Date
      2013-09-06
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Patent] 放射性物質の処理方法2013

    • Inventor(s)
      矢板毅、鈴木伸一、元川竜平、宮崎 有史、小林徹、江口勇司、脇屋武司
    • Industrial Property Rights Holder
      独立行政法人日本原子力研究開発機構、積水化学工業株式会社
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2013-018556
    • Filing Date
      2013-09-06
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Patent] セシウムの吸着材、セシウムの吸着物質及びセシウムの吸着材を用いた放射性セシウム含有物質の処理方法2013

    • Inventor(s)
      元川竜平、矢板毅、鈴木伸一、小林徹、宮崎有史、江口勇司、脇屋武司
    • Industrial Property Rights Holder
      独立行政法人日本原子力研究開発機構、積水化学工業株式会社
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2013-185567
    • Filing Date
      2013-09-06
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] Zr,Ce酸化物固溶体の固相分析と溶解挙動に関する研究2022

    • Author(s)
      佐藤侑太郎,小林大志,佐々木隆之、池田 篤史,松村 大樹,元川 竜平
    • Organizer
      日本原子力学会 2022年春の年会
    • Data Source
      KAKENHI-PROJECT-20H02664
  • [Presentation] 溶媒和型抽出剤DBCによる塩化金酸の分離機構解析2021

    • Author(s)
      下村 遼太郎、鈴木 智也、元川 竜平、上田 祐生、塩飽 秀啓、小山 和也、成田 弘一
    • Organizer
      第40回溶媒抽出討論会
    • Data Source
      KAKENHI-PROJECT-20H02497
  • [Presentation] Hierarchical aggregation structures of humic acid by small-angle X-ray and neutron scattering2021

    • Author(s)
      Saito, T., Motokawa, R., Kumada, T.
    • Organizer
      Interface against Pollution (IAP) 2021
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20K21160
  • [Presentation] 「中性子小角散乱法の基礎 -実験装置(SANS-J)と特徴的データの理解-」2020

    • Author(s)
      元川竜平、熊田高之
    • Organizer
      有機・高分子材料研究会(有機・高分子材料への小角散乱解析法の展開)
    • Data Source
      KAKENHI-PROJECT-18H01921
  • [Presentation] 中性子小角散乱法の基礎 -実験装置(SANS-J)と特徴的データの理解-2020

    • Author(s)
      元川竜平、熊田高之
    • Organizer
      有機・高分子材料研究会
    • Invited
    • Data Source
      KAKENHI-PROJECT-20K21160
  • [Presentation] A Telescoping View of Solute Architectures in a Hydrometallurgical Chemical Separation Systems: Nuclear Science2019

    • Author(s)
      元川竜平
    • Organizer
      Neutron Science in Support of Nuclear Power 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01921
  • [Presentation] 小角X線散乱を用いた圧密ベントナイトのメゾスコピック構造評価2018

    • Author(s)
      斉藤 拓巳、永井 菜月、元川 竜平、遠藤 仁
    • Organizer
      日本原子力学会2018年春の年会
    • Data Source
      KAKENHI-PROJECT-16H04640
  • [Presentation] 中性子小角散乱法によるガラス固化用ホウケイ酸ガラスのナノ構造解析2018

    • Author(s)
      元川竜平、金子耕士、永井崇之、岡本芳浩
    • Organizer
      日本原子力学会 2018年秋の大会
    • Data Source
      KAKENHI-PROJECT-18H01921
  • [Presentation] ガラス固化用ホウケイ酸ガラスのナノ構造解析2018

    • Author(s)
      元川竜平、金子耕士、永井崇之、岡本芳浩
    • Organizer
      日本中性子科学会 第18回年会
    • Data Source
      KAKENHI-PROJECT-18H01921
  • [Presentation] SANS Study of Hierarchical Structure Assembled by Coordination Species in Biphasic Solvent Extraction2018

    • Author(s)
      Ryuhei Motokawa
    • Organizer
      International Exchange Meeting on Partitioning and Transmutation
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18H01921
  • [Presentation] パラジウム抽出における希釈剤の影響とその溶液特性2018

    • Author(s)
      成田弘一、田中幹也、小山和也、馬場由成、元川竜平、塩飽秀啓、矢板毅
    • Organizer
      第37回溶媒抽出討論会
    • Data Source
      KAKENHI-PROJECT-17H03438
  • [Presentation] Third Phase Formation Induced by a Growth of Hierarchical Aggregation Structure in Biphasic Solvent Extraction Systems2017

    • Author(s)
      Ryuhei Motokawa
    • Organizer
      Actinides 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Presentation] Neutron Polarization Analysis for Biphasic Solvent Extraction Systems2017

    • Author(s)
      Ryuhei Motokawa
    • Organizer
      ISEC 2017
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Presentation] パラジウム液―液抽出における分離挙動と希釈剤との関係2017

    • Author(s)
      成田弘一、田中幹也、小山和也、元川竜平、塩飽秀啓、矢板毅
    • Organizer
      化学工学会 第49回秋季大会
    • Data Source
      KAKENHI-PROJECT-17H03438
  • [Presentation] Highly Efficient Extraction of Platinum Group Metals Using Amide-Containing Tertiary Amine Compounds2017

    • Author(s)
      Hirokazu Narita, Motoki Maeda, Chiharu Tokoro, Mikiya Tanaka, Ryuhei Motokawa, Hideaki Shiwaku, Tsuyoshi Yaita
    • Organizer
      The 15th Japan/Korea International Symposium on Resources Recycling and Materials Science
    • Place of Presentation
      関西大学(大阪府吹田市)
    • Year and Date
      2017-04-18
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26289283
  • [Presentation] 有機相中でつくられる凝集体の中性子小角散乱法による観察2016

    • Author(s)
      元川竜平
    • Organizer
      第35回溶媒抽出討論会
    • Place of Presentation
      産業技術総合研究所つくばセンター(茨城県つくば市)
    • Year and Date
      2016-11-28
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Presentation] SANS and EXAFS Studies of Hierarchical Structure Assembled by Coordination Species in Biphasic Solvent Extraction2015

    • Author(s)
      Ryuhei Motokawa
    • Organizer
      Pacifichem 2015
    • Place of Presentation
      ホノルル(アメリカ合衆国)
    • Year and Date
      2015-12-15
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Presentation] Extraction and structural properties of rhodium chloride complexes with amide-containing tertiary amine compounds2015

    • Author(s)
      Hirokazu Narita, Kazuko Morisaku, Mikiya Tanaka, Ryuhei Motokawa, Hideaki Shiwaku, Tsuyoshi Yaita
    • Organizer
      The International Chemical Congress of Pacific Basin Societies 2015
    • Place of Presentation
      ホノルル(アメリカ)
    • Year and Date
      2015-12-14
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-26289283
  • [Presentation] 硫黄含有化合物とトリオクチルアミンによるロジウム協同抽出2015

    • Author(s)
      成田弘一、田中幹也、元川竜平、塩飽秀啓、矢板毅
    • Organizer
      資源・素材2015(松山)
    • Place of Presentation
      愛媛大学(愛媛県松山市)
    • Year and Date
      2015-09-08
    • Data Source
      KAKENHI-PROJECT-26289283
  • [Presentation] 粘土鉱物中のセシウムの吸着構造の解明2014

    • Author(s)
      塩飽秀啓, 矢板毅, 鈴木伸一, 小林徹, 宮崎有史, M.R. Awual, 元川竜平, 岡本芳浩, 松村大樹, 吉井賢資, 西畑保雄, 池田隆司, 寺岡有殿, 下山巌, 小西啓之, 片山芳則
    • Organizer
      第27回日本放射光学会年会・放射光科学合同シンポジウム
    • Place of Presentation
      広島国際会議場
    • Year and Date
      2014-01-13
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] 新規ロジウム抽出系における分離機構解析2013

    • Author(s)
      成田弘一、森作員子、田中幹也、元川竜平、小林徹、塩飽秀啓、矢板毅
    • Organizer
      資源・素材2013(札幌)
    • Place of Presentation
      北海道大学(北海道札幌市)
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] 中性子散乱法による白金族イオン抽出溶液のミクロ構造観察2013

    • Author(s)
      元川竜平、成田弘一、田中幹也、鈴木伸一、矢板毅
    • Organizer
      第32回溶媒抽出討論会
    • Place of Presentation
      名古屋大学
    • Year and Date
      2013-11-22
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] 中性子散乱法による白金族イオン抽出溶液のミクロ構造観察2013

    • Author(s)
      元川竜平、成田弘一、田中幹也、鈴木伸一、矢板毅
    • Organizer
      資源・素材2013(札幌)
    • Place of Presentation
      北海道大学(北海道札幌市)
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] 福島環境回復を目指して;廃棄物減容化のためのCs脱離機構解明と脱離法の開発2013

    • Author(s)
      塩飽秀啓, 矢板毅, 鈴木伸一, 小林徹, 宮崎有史, M.R. Awual, 元川竜平, 岡本芳浩, 松村大樹, 吉井賢資, 西畑保雄, 池田隆司, 寺岡有殿, 下山巌, 小西啓之, 片山芳則
    • Organizer
      SPring-8シンポジウム2013
    • Place of Presentation
      京都大学宇治おうばくプラザ
    • Year and Date
      2013-09-07
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] 新規3級アミン-ロジウム抽出系における金属分離メカニズム解析2013

    • Author(s)
      成田弘一、森作員子、田中幹也、元川竜平、小林徹、塩飽秀啓、矢板毅
    • Organizer
      第32回溶媒抽出討論会
    • Place of Presentation
      名古屋大学(愛知県名古屋市)
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] Extraction and structural properties of rhodium chloride complexes with amide-containing tertiary amine2013

    • Author(s)
      Hirokazu Narita, Kazuko Morisaku, Mikiya Tanaka, Ryuhei Motokawa, Hideaki Shiwaku, Tsuyoshi Yaita
    • Organizer
      The 11th Japan / Korea International Symposium on Resources Recycling and Materials Science
    • Place of Presentation
      関西大学(大阪府吹田市)
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] 中性子散乱法による白金族イオン抽出溶液のミクロ構造観察2013

    • Author(s)
      元川竜平、成田弘一、田中幹也、鈴木伸一、矢板毅
    • Organizer
      第32回溶媒抽出討論会
    • Place of Presentation
      名古屋大学(愛知県名古屋市)
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] Microscopic Structure Formed in the Organic Phase upon the Extraction of Zr(IV)-HNO_3 / Tributylphosphate-Octane2012

    • Author(s)
      R. Motokawa, S. Suzuki, H. Ogawa, and T. Yaita
    • Organizer
      Plutonium Futures 2012
    • Place of Presentation
      Cambridge, UK
    • Year and Date
      2012-07-16
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] X線散乱法による白金族イオン抽出溶液のミクロ構造観察2012

    • Author(s)
      元川竜平
    • Organizer
      資源・素材2012(秋田)
    • Place of Presentation
      秋田
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] 中性子散乱法による白金族イオン抽出溶液のミクロ構造観察2012

    • Author(s)
      元川竜平, 成田弘一, 田中幹也, 鈴木伸一, 矢板毅
    • Organizer
      平成25年度資源・素材関係学協会合同秋季大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2012-09-03
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] X線散乱法による白金族イオン抽出溶液のミクロ構造観察2012

    • Author(s)
      元川竜平
    • Organizer
      第31回溶媒抽出討論会
    • Place of Presentation
      金沢
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] Microscopic Strucuture Formed in the Organic Phase upon the Extraction of Zr(IV)-HNO3/Tri-n-butylPhosphate-Octane2012

    • Author(s)
      Ryuhei Motokawa
    • Organizer
      Plutonium Futures 2012
    • Place of Presentation
      Cambridge (England)
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] Microscopic Structure Formed in the Organic Phase upon the Extraction of Zr(IV)-HNO3/Tributylphosphine-Octane : Small-angle Scattering Study of the Third Phase Formation2011

    • Author(s)
      R. Motokawa, S. Suzuki, and T. Yaita
    • Organizer
      Actinide XAS2011
    • Place of Presentation
      Hyogo
    • Year and Date
      2011-05-02
    • Data Source
      KAKENHI-PROJECT-22760683
  • [Presentation] Microscopic Structure Formed in the Organic Phase upon the Extraction of Zr(IV)-HNO3/Tributylphosphine-Octane : Small-angle Scattering Study of the Third Phase Formation.2011

    • Author(s)
      元川竜平
    • Organizer
      Actinide XAS2011
    • Place of Presentation
      SPring-8(兵庫県)
    • Year and Date
      2011-03-02
    • Data Source
      KAKENHI-PROJECT-22760683
  • [Presentation] 中性子散乱法による白金族イオン抽出溶液のミクロ構造観察2011

    • Author(s)
      元川竜平, 成田弘一, 田中幹也, 鈴木伸一, 矢板毅
    • Organizer
      資源・素材2013
    • Place of Presentation
      札幌
    • Year and Date
      2011-09-05
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] 新規3級アミン-ロジウム抽出系における金属分離メカニズム解析2011

    • Author(s)
      成田弘一, 森作員子, 田中幹也, 元川竜平, 小林徹, 塩飽秀啓, 矢板毅
    • Organizer
      第32回溶媒抽出討論会
    • Place of Presentation
      名古屋
    • Year and Date
      2011-11-22
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] Extraction and Structural Properties of Rhodium Chloride Compounds with Amide-Containing Tertiary Amine2011

    • Author(s)
      H. Narita, K. Morisaku, M. Tanaka, R. Motokawa, H. Shiwaku, T. Yaita
    • Organizer
      The 11th Japan/Korea International Symposium on Resources Recycling and Materials Science
    • Place of Presentation
      大阪
    • Year and Date
      2011-06-17
    • Data Source
      KAKENHI-PROJECT-23360407
  • [Presentation] Temperature Dependence of Microscopic Structure Formed by Tri-n-butyl Phosphate and Zirconium ion in Extracted Solution2011

    • Author(s)
      R. Motokawa, S. Suzuki, H. Ogawa, and T. Yaita
    • Organizer
      17th Symposium on Separation Science and Technology for Energy Applications(17th SST)
    • Place of Presentation
      Tennessee
    • Data Source
      KAKENHI-PROJECT-22760683
  • [Presentation] Temperature Dependence of Microscopic Structure Formed by Tri-n-butyl Phosphate and Zirconium ion in Extracted Solution2011

    • Author(s)
      元川竜平
    • Organizer
      17th Symposium on Separation Science and Technology for Energy Applications
    • Place of Presentation
      ガトリンバーグ(テネシー州)(招待講演)
    • Year and Date
      2011-11-24
    • Data Source
      KAKENHI-PROJECT-22760683
  • [Presentation] 中性子散乱法による白金族イオン抽出溶液のミクロ構造観察

    • Author(s)
      元川竜平、成田弘一、田中幹也、鈴木伸一、矢板毅
    • Organizer
      平成25年度資源・素材関係学協会合同秋季大会
    • Place of Presentation
      札幌
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] 中性子散乱法による白金族イオン抽出溶液のミクロ構造観察

    • Author(s)
      元川竜平、成田弘一、田中幹也、鈴木伸一、矢板毅
    • Organizer
      第32回溶媒抽出討論会
    • Place of Presentation
      名古屋
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] 粘土鉱物中のセシウムの吸着構造の解明

    • Author(s)
      塩飽秀啓、矢板毅、鈴木伸一、小林徹、宮崎有史、Awual, M. R.、元川竜平、岡本芳浩、松村大樹、吉井賢資、西畑 保雄; 池田 隆司; 寺岡 有殿; 下山 巖; 小西 啓之; 片山 芳則
    • Organizer
      第27回日本放射光学会年会・放射光科学合同シンポジウム
    • Place of Presentation
      広島
    • Data Source
      KAKENHI-PROJECT-24760720
  • [Presentation] ロジウム協同抽出系における抽出錯体の構造解析

    • Author(s)
      成田弘一、田中幹也、元川竜平、塩飽秀啓、矢板毅
    • Organizer
      第33回溶媒抽出討論会
    • Place of Presentation
      神戸
    • Year and Date
      2014-12-11 – 2014-12-12
    • Data Source
      KAKENHI-PROJECT-26289283
  • [Presentation] 抽出錯体溶液が自発的につくる階層構造

    • Author(s)
      元川竜平
    • Organizer
      第33回溶媒抽出討論会
    • Place of Presentation
      神戸
    • Year and Date
      2014-12-11 – 2014-12-12
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Presentation] Hierarchical Structure Assembled by Coordination Species in Biphasic Solvent Extraction

    • Author(s)
      Ryuhei Motokawa
    • Organizer
      Actinide XAS 2014
    • Place of Presentation
      Schloss Bottstein, Switzerland
    • Year and Date
      2014-05-20 – 2014-05-22
    • Invited
    • Data Source
      KAKENHI-PROJECT-26289368
  • [Presentation] 福島環境回復を目指して; 廃棄物減容化のためのCs脱離機構解明と脱離法の開発

    • Author(s)
      塩飽秀啓、矢板毅、鈴木伸一、小林徹、宮崎有史、Awual, M. R.、元川竜平、岡本芳浩、松村大樹、吉井賢資、西畑保雄、池田隆司、寺岡有殿、下山巖、小西啓之、片山芳則
    • Organizer
      SPring-8シンポジウム2013
    • Place of Presentation
      宇治
    • Data Source
      KAKENHI-PROJECT-24760720
  • 1.  NARITA Hirokazu (60357689)
    # of Collaborated Projects: 4 results
    # of Collaborated Products: 17 results
  • 2.  KUMADA Takayuki (00343939)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 4 results
  • 3.  Endo Hitoshi (40447313)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 6 results
  • 4.  Saito Takumi (90436543)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 2 results
  • 5.  小林 大志 (80630269)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 3 results
  • 6.  青柳 登 (80446400)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 7.  上田 祐生 (80806638)
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    # of Collaborated Products: 2 results
  • 8.  阿久津 和宏 (60637297)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 1 results
  • 9.  NISHIKINO Masaharu (70370450)
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  • 10.  HASEGAWA Noboru (50360409)
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    # of Collaborated Products: 0 results
  • 11.  SUEMOTO Toru (50134052)
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    # of Collaborated Products: 0 results
  • 12.  OTOBE Tomohito (60421442)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  金子 耕士 (30370381)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 14.  永井 崇之 (70421469)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 15.  岩田 高広 (70211761)
    # of Collaborated Projects: 1 results
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  • 16.  廣井 孝介 (70813715)
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  • 17.  稲村 泰弘 (80343937)
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  • 18.  伊藤 文之 (20344153)
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  • 19.  松村 大樹 (30425566)
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  • 20.  池田 篤史 (40530001)
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  • 21.  森 聖治 (50332549)
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  • 22.  HELLER T. William
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  • 23.  KOHRI Michinari
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