Oba Yojiro 大場洋次郎

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OBA Yojiro 大場洋次郎

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Researcher Number	60566793
Other IDs
Affiliation (Current)	2025: 豊橋技術科学大学, 工学(系)研究科(研究院), 准教授
Affiliation (based on the past Project Information) *help	2023 – 2025: 豊橋技術科学大学, 工学(系)研究科(研究院), 准教授 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, 研究副主幹 2012 – 2016: 京都大学, 原子炉実験所, 助教 2014: 国立大学法人京都大学, 原子炉実験所, 助教 2012: 国立大学法人京都大学, 原子炉実験所, 助教 2011: 独立行政法人物質・材料研究機構, 量子ビームユニット, NIMSポスドク研究員 2010: 独立行政法人物質・材料研究機構, 量子ビームセンター, NIMSポスドク研究員
Review Section/Research Field	Principal Investigator Basic Section 26050:Material processing and microstructure control-related / Material processing/Microstructural control engineering / Quantum beam science Except Principal Investigator Basic Section 26040:Structural materials and functional materials-related / Structural/Functional materials / Basic Section 26010:Metallic material properties-related / Basic Section 28030:Nanomaterials-related / Medium-sized Section 18:Mechanics of materials, production engineering, design engineering, and related fields / Food science / Quantum beam science
Keywords	Principal Investigator 中性子 / 小角散乱 / 水素脆化 / 中性子イメージング / ミクロ組織 / 放射光 / 鉄鋼 / 相界面析出 / ブラッグエッジ / 複合材料・物性 … More / ナノ材料 / 量子ビーム / X線小角散乱法 / 中性子小角散乱法 / 合金コントラスト変調法 / ナノグラニュラー / X線小角散乱 / 中性子小角散乱 … More Except Principal Investigator 構造 / 中性子 / 蓄電池 / ナノ構造 / 小角散乱法 / SANS / 金属材料 / トモグラフィ / X線 / 局所塑性ひずみ / 結晶粒 / スピンー原子連成動力学 / 機械学習原子間ポテンシャル / ミュオン / イオン拡散 / 電力変換 / ナノ構造制御 / 軟磁性材料 / イオン伝導体 / X線小角散乱 / 粘度指数向上剤 / 潤滑 / 小角散乱 / 量子ビーム分析 / 構造解析 / 潤滑油 / トライボロジー / コムギ / 量子ビーム小角散乱 / 動的粘弾性 / グリシニン / β‐コングリシニン / グルテニン / グリアジン / nanostructure / rheological properties / glycinin / beta-conglycinin / glutenin / gliadin / SAXS / 強度・靭性 / 量子ビーム / 量子ビーム複合利用 / ナノ析出物 / ラボ装置 / 小型中性子源 / 複合構造 / カルコゲナイド / 酸化物 / ホットウォール / RFスパッタリング / 量子ドット / 太陽電池用材料 / 無機 / ナノ粒子 / 太陽電池 / 量子サイズ効果 / 複合構造薄膜 / 複合タンパク質 / コントラストマッチング / 逆転コントラスト変調法 / 部分重水素化 / 重水素化 / コントラスト変調 / 中性子小角散乱 Less

The establishment of a method for constructing machine learning potentials based on quantum spin-lattice dynamics coupling
- Principal Investigator
  
  森英喜
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 26010:Metallic material properties-related
- Research Institution
  College of Industrial Technology
Study of the mechanism of damage and fracture affected by non-uniform deformation caused near grain boundaries using non-destructive observation with synchrotron radiation
- Principal Investigator
  
  小林正和
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 26040:Structural materials and functional materials-related
- Research Institution
  Toyohashi University of Technology
Study on soft magnetism of nanostructured magnets for highly efficient power conversion
- Principal Investigator
  
  間宮広明
- Project Period (FY)
  2024 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 28030:Nanomaterials-related
- Research Institution
  National Institute for Materials Science
中性子・ミュオン協奏オペランド測定による全固体蓄電池内のイオン拡散挙動の解明
- Principal Investigator
  
  森一広
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 26040:Structural materials and functional materials-related
- Research Institution
  High Energy Accelerator Research Organization
Clarification of hydrogen embrittlement in steel based on visualization of hydrogen using magnetic small-angle neutron scatteringPrincipal Investigator
- Principal Investigator
  
  大場洋次郎
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 26050:Material processing and microstructure control-related
- Research Institution
  Toyohashi University of Technology
Unveiling microstructural evolution using multiscale neutron transmission imagingPrincipal Investigator
- Principal Investigator
  
  Oba Yojiro
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 26050:Material processing and microstructure control-related
- Research Institution
  Japan Atomic Energy Agency
Visualization of ion flows on bulk and solid-solid interfacial in all-solid-state batteries using operando neutron scattering
- Principal Investigator
  
  Mori Kazuhiro
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 26040:Structural materials and functional materials-related
- Research Institution
  High Energy Accelerator Research Organization
  Kyoto University
Structural Analysis of Lubricants under High Shear Stress by Combined Use of Quantum Beam Small-Angle Scattering and Rheometer
- Principal Investigator
  
  Hirayama Tomoko
- Project Period (FY)
  2018 – 2019
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 18:Mechanics of materials, production engineering, design engineering, and related fields
- Research Institution
  Kyoto University
  Doshisha University
Simultaneous characterization of precipitates and matrix in interphase precipitation using small-angle neutron scattering and Bragg-edge transmission analysisPrincipal Investigator
- Principal Investigator
  
  Oba Yojiro
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Material processing/Microstructural control engineering
- Research Institution
  Kyoto University
Formation of nanostructure of food plant proteins
- Principal Investigator
  
  URADE REIKO
- Project Period (FY)
  2014 – 2015
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Food science
- Research Institution
  Kyoto University
Development of analysis method for dynamic state in high order structure of protein utilizing neutron scattering
- Principal Investigator
  
  SUGIYAMA Masaaki
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Quantum beam science
- Research Institution
  Kyoto University
Development of composite thin films exhibiting quantum confinement effects prepared by one-step synthesis method and their photovoltaic characteristic
- Principal Investigator
  
  SEISHI Abe
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Structural/Functional materials
- Research Institution
  Research Institute for Electromagnetic Materials
Early stage of precipitation in steels studied by In-house small-sangle X-ray and neutron scattering
- Principal Investigator
  
  OHNUMA Masato
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Structural/Functional materials
- Research Institution
  Hokkaido University
  National Institute for Materials Science
Quantitative characterization of Nanogranular film using contrast variation between small-angle X-ray and neutron scatteringPrincipal Investigator
- Principal Investigator
  
  OBA Yojiro
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Quantum beam science
- Research Institution
  Kyoto University
  National Institute for Materials Science

All 2023 2022 2021 2020 2019 2017 2016 2015 2014 2013 2012 2011 2010 Other

All Journal Article Presentation

[Journal Article] Small-angle neutron scattering by spatially inhomogeneous ferromagnets with a nonzero average uniaxial anisotropy2022
- Author(s)
  V. Zaporozhets, Y. Oba, A. Michels, K. L. Metlov
- Journal Title
  
  Journal of Applied Crystallography
  
  Volume: accepted
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Journal Article] Characterization of Deformation by Cold Rolling in Ferritic Steel Containing Cu Particles Using Neutron Transmission Analysis2022
- Author(s)
  Oba Yojiro、Morooka Satoshi、Ohishi Kazuki、Suzuki Jun-ichi、Tsuchiyama Toshihiro
- Journal Title
  
  ISIJ International
  
  Volume: 62 Issue: 1 Pages: 173-178
- DOI
  10.2355/isijinternational.ISIJINT-2021-144
- NAID
  130008144885
- ISSN
  0915-1559, 1347-5460
- Year and Date
  2022-01-15
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K05102
[Journal Article] Commissioning of Versatile Compact Neutron Diffractometer (VCND) at the B-3 Beam Port of Kyoto University Research Reactor (KUR)2021
- Author(s)
  Mori Kazuhiro、Okumura Ryo、Yoshino Hirofumi、Kanayama Masaya、Satoh Setsuo、Oba Yojiro、Iwase Kenji、Hiraka Haruhiro、Hino Masahiro、Sano Tadafumi、Kawabata Yuji、Kamiyama Takashi、Otomo Toshiya、Fukunaga Toshiharu
- Journal Title
  
  JPS Conference Proceedings
  
  Volume: 33 Pages: 011093-011093
- DOI
  10.7566/jpscp.33.011093
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K05102, KAKENHI-PROJECT-19H02457, KAKENHI-PROJECT-20K05061
[Journal Article] Role of higher-order effects in spin-misalignment small-angle neutron scattering of high-pressure torsion nickel2021
- Author(s)
  Oba Y.、Bersweiler M.、Titov I.、Adachi N.、Todaka Y.、Gilbert E. P.、Steinke N.-J.、Metlov K. L.、Michels A.
- Journal Title
  
  Physical Review Materials
  
  Volume: 5 Issue: 8
- DOI
  10.1103/physrevmaterials.5.084410
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Journal Article] Effect of grain boundary on the friction coefficient of pure Fe under the oil lubrication2021
- Author(s)
  Adachi Nozomu、Matsuo Yasutaka、Todaka Yoshikazu、Fujimoto Mikiya、Hino Masahiro、Mitsuhara Masatoshi、Oba Yojiro、Shiihara Yoshinori、Umeno Yoshitaka、Nishida Minoru
- Journal Title
  
  Tribology International
  
  Volume: 155 Pages: 106781-106781
- DOI
  10.1016/j.triboint.2020.106781
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K05102
[Journal Article] Development of spin-contrast-variation neutron powder diffractometry for extracting the structure factor of hydrogen atoms2021
- Author(s)
  Miura Daisuke、Kumada Takayuki、Sekine Yurina、Motokawa Ryuhei、Nakagawa Hiroshi、Oba Yojiro、Ohhara Takashi、Takata Shin-ichi、Hiroi Kosuke、Morikawa Toshiaki、Kawamura Yukihiko、Ohishi Kazuki、Suzuki Jun-ichi、Miyachi Yoshiyuki、Iwata Takahiro
- Journal Title
  
  Journal of Applied Crystallography
  
  Volume: 54 Issue: 2 Pages: 454-460
- DOI
  10.1107/s1600576721000303
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K05102, KAKENHI-PROJECT-20H02944, KAKENHI-PROJECT-19J23744, KAKENHI-PROJECT-18K11926, KAKENHI-PROJECT-20K05470
[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
  
  Volume: 31 Pages: 5-6
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K05102
[Journal Article] Revealing defect-induced spin disorder in nanocrystalline Ni2021
- Author(s)
  Bersweiler Mathias、Pratami Sinaga Evelyn、Peral Inma、Adachi Nozomu、Bender Philipp、Steinke Nina-Juliane、Gilbert Elliot Paul、Todaka Yoshikazu、Michels Andreas、Oba Yojiro
- Journal Title
  
  Physical Review Materials
  
  Volume: 5 Issue: 4
- DOI
  10.1103/physrevmaterials.5.044409
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Journal Article] Structural and electrochemical features of (Li2S)x(SiS2)1-x superionic glasses2020
- Author(s)
  Kazuhiro Mori, Kenji Iwase, Yojiro Oba, Kazutaka Ikeda, Toshiya Otomo, Toshiharu Fukunaga
- Journal Title
  
  Solid State Ionics
  
  Volume: 344 Pages: 115141-115141
- DOI
  10.1016/j.ssi.2019.115141
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02457
[Journal Article] 中性子透過率スペクトルを利用した中性子散乱実験および中性子イメージング2020
- Author(s)
  大場洋次郎
- Journal Title
  
  波紋
  
  Volume: 30 Pages: 90-93
- NAID
  130008047198
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K05102
[Journal Article] Anomalous magnetic anisotropy and magnetic nanostructure in pure Fe induced by high-pressure torsion straining2020
- Author(s)
  Oba Y.、Adachi N.、Todaka Y.、Gilbert E. P.、Mamiya H.
- Journal Title
  
  Physical Review Research
  
  Volume: 2 Issue: 3 Pages: 033473-033473
- DOI
  10.1103/physrevresearch.2.033473
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Journal Article] Energy-resolved small-angle neutron scattering from steel2017
- Author(s)
  Y. Oba, S. Morooka, K. Ohishi, J. Suzuki, S. Takata, N. Sato, R. Inoue, T. Tsuchiyama, E. Gilbert, and M. Sugiyama
- Journal Title
  
  Journal of Applied Crystallography
  
  Volume: 50 Issue: 2 Pages: 334-339
- DOI
  10.1107/s1600576717000279
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26870313, KAKENHI-PROJECT-17H01333, KAKENHI-PROJECT-16K14422, KAKENHI-PROJECT-16K21265
[Journal Article] Molecular assembly of wheat gliadins into nanostructures: A small- angle X‑ray scattering study of gliadins in distilled water over a wide concentration range.2016
- Author(s)
  Sato, N., Matsumiya, A., Higashino, Y., Funaki, S., Kitao, Y., Oba, Y., Inoue, R., Arisaka, F., Sugiyama, M., Urade, R.
- Journal Title
  
  J. Agric. Food Chem.
  
  Volume: 63 Pages: 8715-8721
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26660111
[Journal Article] Simultaneous Characterization of Small-Angle Neutron Scattering and Bragg-Edge Transmission in Steel2016
- Author(s)
  Y. Oba, S. Morooka, H. Sato, N. Sato, K. Ohishi, J. Suzuki, and M. Sugiyama
- Journal Title
  
  MLF Annual report 2014
  
  Volume: - Pages: 4-5
- Open Access
- Data Source
  KAKENHI-PROJECT-26870313
[Journal Article] Magnetic scattering in the simultaneous measurement of small-angle neutron scattering and Bragg edge transmission from steel2016
- Author(s)
  Y. Oba, S. Morooka, K. Ohishi, N. Sato, R. Inoue, N. Adachi, J. Suzuki, T. Tsuchiyama, E. P. Gilbert, and M. Sugiyama
- Journal Title
  
  Journal of Applied Crystallography
  
  Volume: 49 Issue: 5 Pages: 1659-1664
- DOI
  10.1107/s1600576716013133
- Peer Reviewed / Acknowledgement Compliant / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26870313, KAKENHI-PROJECT-16K21265
[Journal Article] 中性子透過率スペクトル測定を利用した新しい中性子散乱実験2016
- Author(s)
  大場洋次郎、諸岡聡、佐藤博隆、佐藤信浩、井上倫太郎、杉山正明
- Journal Title
  
  日本中性子科学会誌　波紋
  
  Volume: 26 Pages: 170-173
- NAID
  130007510592
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26870313
[Journal Article] 小角散乱とブラッグエッジの同時解析による鉄鋼材料の構造評価2016
- Author(s)
  大場洋次郎、佐藤信浩、井上倫太郎、杉山正明、諸岡聡、佐藤博隆、大石一城、鈴木淳市
- Journal Title
  
  中性子産業利用推進協議会季報「四季」
  
  Volume: 31 Pages: 3-4
- Open Access
- Data Source
  KAKENHI-PROJECT-26870313
[Journal Article] Simultaneous Characterisation of Precipitates and Matrix in a Steel Using Small-Angle Neutron Scattering and Bragg-Edge Transmission Analysis2015
- Author(s)
  Y. Oba, S. Morooka, H. Sato, N. Sato, K. Ohishi, J. Suzuki, M. Sugiyama
- Journal Title
  
  ISIJ International
  
  Volume: 55 Issue: 12 Pages: 2618-2623
- DOI
  10.2355/isijinternational.ISIJINT-2015-315
- NAID
  130005114990
- ISSN
  0915-1559, 1347-5460
- Language
  English
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26870313, KAKENHI-PROJECT-15H02042
[Journal Article] Conformational characterization of a protein complex involving intrinsically disordered protein by small-angle neutron scattering using the inverse contrast matching method: a case study of interaction between α-synuclein and PbaB tetramer as a model chaperone2014
- Author(s)
  Masaaki Sugiyama
- Journal Title
  
  Journal Applied Crystallography
  
  Volume: 47 Issue: 1 Pages: 430-435
- DOI
  10.1107/s1600576713033475
- Peer Reviewed
- Data Source
  KAKENHI-PUBLICLY-24113709, KAKENHI-PROJECT-24310068, KAKENHI-PROJECT-24657113, KAKENHI-ORGANIZER-25102001, KAKENHI-PLANNED-25102008, KAKENHI-PROJECT-25440063
[Journal Article] Nanostructure Characterization of Co-Pd-Si-O Soft Magnetic Nanogranular Film using Small-Angle X-ray and Neutron Scattering2013
- Author(s)
  Y. Oba, M. Ohnuma, S. Ohnuma, M. Furusaka, K. Suresh, and S. Takeda
- Journal Title
  
  Journal of Magnetism and Magnetic Materials
  
  Volume: Vol. 334 Pages: 45-51
- DOI
  10.1016/j.jmmm.2013.01.024
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22604003
[Journal Article] Quantitative Analysis of inclusions in low carbons steel using small-angle X-ray and neutron scattering2012
- Author(s)
  Y. Oba, Koppoiu, M. Ohnuma. Y. Kinjo, S. Morooka, Y. Tomota, J. Suzuki, D. Yamaguchi, S. Koizumi, M. Sato, T. Shiraga
- Journal Title
  
  ISIJ International
  
  Volume: 52 Pages: 457-463
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24360296
[Presentation] 中性子小角散乱の磁化応答によるHPT加工した鉄中の水素の観測2023
- Author(s)
  大場洋次郎、足立望、戸髙義一、三浦博己、柴山由樹
- Organizer
  日本鉄鋼協会第186回秋季講演大会
- Data Source
  KAKENHI-PROJECT-23K26426
[Presentation] Microstructural characterization using advanced small-angle scattering2023
- Author(s)
  Y. Oba, H. Miura
- Organizer
  11th Pacific Rim International Conference on Advanced materials and Processing
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K26426
[Presentation] Revealing defect-induced spin disorder in nanocrystalline Ni2022
- Author(s)
  M. Bersweiler, E. P. Sinaga, I. Peral, N. Adachi, P. Bender, N.-J. Steinke, E. P. Gilbert, Y. Todaka, Y. Oba, and A. Michels
- Organizer
  2022 Joint MMM-INTERMAG
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] 高圧下ねじり加工に誘起された鉄とニッケル中のスピンミスアライメント2022
- Author(s)
  大場洋次郎
- Organizer
  物性研短期研究会　中性子散乱研究会 - 海外実験支援プログラムの成果報告と、再稼働したJRR-3の現在地 -
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] 磁気小角散乱を利用した鉄鋼材料中のミクロ組織の解析2022
- Author(s)
  大場洋次郎
- Organizer
  日本鉄鋼協会自主フォーラム「量子ビームによる組織解析に基づく力学的機能発現機構の理解」勉強会
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] 中性子小角散乱法を用いた格子欠陥による磁気ナノ構造の観察2021
- Author(s)
  大場洋次郎
- Organizer
  中性子産業利用推進協議会「金属材料研究会」
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] Revealing defect-induced spin disorder in nanocrystalline Ni2021
- Author(s)
  M. Bersweiler, Y. Oba, and A. Michels
- Organizer
  Neutron Scattering Days 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] 中性子透過率スペクトルを用いた小角散乱解析2020
- Author(s)
  大場洋次郎
- Organizer
  令和元年度金属組織研究会
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] 小角散乱法による金属組織の解析2020
- Author(s)
  大場洋次郎
- Organizer
  2019年度学術討論会・技術交流フォーラム合同講演会
- Invited
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] Structural Analyses of Viscosity Index Improvers in Lubricant by Means of Small-Angle X-ray Scattering and Dynamic Light Scattering2019
- Author(s)
  Ryohei Takahashi, Tomoko Hirayama, Kazushi Tamura, Taeko Nakano, Nobuhiro Sato, Masaaki Sugiyama, Yojiro Oba
- Organizer
  International Tribology Conference Sendai 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18815
[Presentation] Pulse type of Small Angle Neutron Scattering and 3D-Atom Probe Tomography Study on the formation of the Fe-C cluster in a High-Ni-C Steel2019
- Author(s)
  S. Morooka, G. Miyamoto, Y. Oba, K. Ohishi, and S. Takata
- Organizer
  3rd J-PARC symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] Energy-resolved analysis of neutron transmission of molten lead bismuth eutectic2019
- Author(s)
  Y. Oba, D. Ito, Y. Saito, Y. Onodera, J. D. Parker, T. Shinohara, and K. Oikawa
- Organizer
  10th Workshop on NEUtron WAVElength Dependent Imaging
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] Magnetic texture analysis in steel using neutron diffraction2019
- Author(s)
  Y. Oba
- Organizer
  Workshop WAND2 - complementarity and synergy effects with the JRR-3 instrument suite
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] Microstructural characterization in steel using small-angle neutron scattering and neutron transmission2019
- Author(s)
  Y. Oba
- Organizer
  3rd Asia-Oceania Conference on Neutron Scattering
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K05102
[Presentation] Complementary Use of Versatile Compact Neutron Diffractometer on B-3 beam port of Kyoto University Research Reactor (KUR) and Neutron Diffractometers at J-PARC MLF2019
- Author(s)
  K. Mori, R. Okumura, H. Yoshino, M. Kanayama, S. Satoh, Y. Oba, K. Iwase, M. Hino, T. Sano, H. Hiraka, T. Kamiyama, T. Otomo, T. Fukunaga, Y. Kawabata
- Organizer
  The 3rd J-PARC Symposium (J-PARC2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02457
[Presentation] 京大原子炉をベースとした挑戦2017
- Author(s)
  大場洋次郎、杉山正明
- Organizer
  「中性子線を利用した鉄鋼組織解析―さらなる挑戦―」研究会I「小型中性子源による鉄鋼組織解析法」最終報告シンポジウム
- Place of Presentation
  首都大学東京(東京・八王子)
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] 中性子小角・広角散乱を用いた複相組織鋼の焼戻し組織の定量解析2017
- Author(s)
  諸岡聡、大場洋次郎、宮本吾郎、大石一城、鈴木淳市、高田慎一、相澤一也、友田陽
- Organizer
  日本鉄鋼協会第173回春季講演大会シンポジウム茨城県中性子利用促進研究会平成28年度集合組織分科会「中性子・X線回折、散乱法による金属ミクロ組織解析の課題と展望」
- Place of Presentation
  首都大学東京(東京・八王子)
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] X線と中性子小角散乱を併用した鉄鋼材料の組織解析2016
- Author(s)
  大場洋次郎、佐藤信浩、井上倫太郎、杉山正明、大沼正人
- Organizer
  PF研究会「徹底討論！小角散乱の魅力～基礎・応用・産業利用」
- Place of Presentation
  高エネルギー加速器研究機構, (茨城・つくば)
- Year and Date
  2016-03-30
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] 小角散乱とブラッグエッジの同時解析による鉄鋼材料の特性評価2016
- Author(s)
  大場洋次郎
- Organizer
  平成28年度J-PARC/MLF産業利用報告会
- Place of Presentation
  秋葉原コンベンションホール(東京・千代田区)
- Year and Date
  2016-07-21
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] Design of Bragg-Edge Spectrometer at Steady-State Neutron Source2016
- Author(s)
  Y. Oba, N. Sato, R. Inoue, M. Sugiyama
- Organizer
  International Conference on PROCESSING & MANUFACTURING OF ADVANCED MATERIALS Processing, Fabrication, Properties, Applications
- Place of Presentation
  Graz (Austria)
- Year and Date
  2016-05-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] Microstructural Characterization in Steel using Small-Angle Neutron Scattering and Bragg-Edge Transmission Analysis2016
- Author(s)
  Y. Oba, S. Morooka, H. Sato, N. Sato, R. Inoue, M. Sugiyama, K. Ohishi, and J. Suzuki
- Organizer
  The 15th Japan-Korea Meeting on Neutron Science
- Place of Presentation
  Hotel Nongshim, Busan, Korea
- Year and Date
  2016-01-06
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] エネルギー分析型中性子小角散乱法2016
- Author(s)
  大場洋次郎、佐藤信浩、井上倫太郎、杉山正明、諸岡聡、高田慎一、大石一城、鈴木淳市
- Organizer
  日本中性子科学会第16回年会
- Place of Presentation
  名古屋大(愛知・名古屋)
- Year and Date
  2016-12-01
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] 超小角X線散乱法による小麦タンパク質グリアジン水和凝集体の構造解析2016
- Author(s)
  佐藤信浩、東野ゆうき、北尾悠樹、岩村紗季、岡田ひかり、奥田綾、松崎元紀、大場洋次郎、井上倫太郎、杉山正明、裏出令子
- Organizer
  農芸化学会2016年度大会
- Place of Presentation
  札幌コンベンションセンター
- Year and Date
  2016-03-30
- Data Source
  KAKENHI-PROJECT-26660111
[Presentation] SANS-ブラッグエッジ同時測定における磁気散乱の影響2015
- Author(s)
  大場洋次郎、佐藤信浩、井上倫太郎、杉山正明、諸岡聡、大石一城、鈴木淳市
- Organizer
  中性子科学会第15回年会
- Place of Presentation
  和光市民文化センター「サンアゼリア」, (埼玉・和光)
- Year and Date
  2015-12-10
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] SANS AND BRAGG-EDGE TRANSMISSION ALALYSIS USING PULSED NEUTRON2015
- Author(s)
  Y. Oba, S. Morooka, H. Sato, N. Sato, K. Ohishi, J. Suzuki, and M. Sugiyama
- Organizer
  16th International Conference on Small-Angle Scattering
- Place of Presentation
  Berlin, Germany
- Year and Date
  2015-09-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] 中性子小角散乱-ブラッグエッジ同時解析を用いた鋼中微細組織の定量解析2015
- Author(s)
  大場洋次郎
- Organizer
  日本鉄鋼協会若手フォーラム「微細組織・特性制御とナノ解析に関する産学連携フォーラム」第1回研究会
- Place of Presentation
  岩松旅館、(宮城県・仙台)
- Year and Date
  2015-07-23
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] グルテニンの物性とナノ構造にたいする塩化ナトリウムの影響2015
- Author(s)
  東野ゆうき、船木智史、佐藤信浩、杉山正明、大場洋次郎、井上倫太郎、北尾悠樹、裏出令子
- Organizer
  2015年日本農芸化学会岡山大会
- Place of Presentation
  岡山大学
- Year and Date
  2015-03-28
- Data Source
  KAKENHI-PROJECT-26660111
[Presentation] NANOSTRUCTURE OF WHEAT PROTEIN GLIADIN EXTRACTED IN WATER2015
- Author(s)
  N. Sato., R. Uradeb, Y. Higashinob, S. Funakib, Y. Kitaob, Y. Obaa, R. Inouea, M. Sugiyamaa
- Organizer
  16Tｈ International Conference on small-angle scattering
- Place of Presentation
  Berlin
- Year and Date
  2015-09-13
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26660111
[Presentation] 中性子小角散乱-ブラッグエッジ同時解析を用いた鉄鋼のミクロ組織の評価2014
- Author(s)
  大場洋次郎
- Organizer
  平成26年度金属組織研究会
- Place of Presentation
  研究社英語センター地下2階大会議室（東京）
- Year and Date
  2014-10-08
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] 京都大学原子炉における中性子小角散乱による鉄鋼材料評価への挑戦2014
- Author(s)
  大場洋次郎、杉山正明
- Organizer
  日本鉄鋼協会第167回春季講演大会
- Place of Presentation
  東京工業大学（東京都）
- Data Source
  KAKENHI-PROJECT-24360296
[Presentation] 中性子小角散乱-ブラッグエッジ同時解析法を用いた鉄鋼材料の解析2014
- Author(s)
  大場洋次郎
- Organizer
  パルス中性子イメージング研究会
- Place of Presentation
  名古屋大学工学部5号館521講義室（愛知県・名古屋市）
- Year and Date
  2014-09-25
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] X線小角散乱法によるPbSe/ZnSeナノ複相構造薄膜中のナノ構造の解析2014
- Author(s)
  大場洋次郎、杉山正明、阿部世嗣、大沼正人
- Organizer
  日本金属学会春期大会
- Place of Presentation
  東京工業大学（東京都）
- Data Source
  KAKENHI-PROJECT-24360295
[Presentation] Nanosize heterogeneities in Gum Metal2013
- Author(s)
  M. Ohnuma, S. Koppoju, Y. Oba, S. Kuramoto, T. Furuta, M. Furusaka, M. Eldrup
- Organizer
  TMS2012
- Place of Presentation
  合衆国(サンアントニオ)(招待講演)
- Year and Date
  2013-03-05
- Data Source
  KAKENHI-PROJECT-24360296
[Presentation] 中性子・X線小角散乱法によるナノグラニュラー軟磁性体の解析2013
- Author(s)
  大場洋次郎（大場洋次郎）
- Organizer
  中性子産業利用推進協議会
- Place of Presentation
  連合会館、東京
- Invited
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] Upgrade of Small-Angle Neutron Scattering Instrument KUR-SANS for Metallic Materials2013
- Author(s)
  Y. Oba, M. Hino, T. Oda, M. Ohnuma, N. Sato, and M. Sugiyama,
- Organizer
  The International Union of Materials Research Societies – International Conference in Asia 2013,
- Place of Presentation
  Bangalore, India
- Data Source
  KAKENHI-PROJECT-24360296
[Presentation] Characterization of Nanostructures in Co-Insulator Nanogranular Films Using Small-Angle Neutron and X-ray Scattering2013
- Author(s)
  Y. Oba, M. Ohnuma, S. Ohnuma, K. Ohishi, S. Takata, J. Suzuki, and M. Sugiyama (Y. Oba)
- Organizer
  The 8th Pacific Rim International Conference on Advanced Materials and Processing
- Place of Presentation
  Hawaii, USA
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] Characterization of Nanostructures in Co-Insulator Nanogranular Films Using Small-Angle Neutron and X-ray Scattering2013
- Author(s)
  Y. Oba, M. Ohnuma, S. Ohnuma, K. Ohishi, S. Takata, J. Suzuki, and M. Sugiyama
- Organizer
  The 8th Pacific Rim International Conference on Advanced Materials and Processing
- Place of Presentation
  Hilton Waikoloa Village , Waikoloa, Hawaii,
- Data Source
  KAKENHI-PROJECT-24360296
[Presentation] 中性子・X 線小角散乱法によるナノグラニュラー軟磁性体の解析2013
- Author(s)
  大場洋次郎
- Organizer
  中性子産業利用推進協議会
- Place of Presentation
  連合会館、東京
- Year and Date
  2013-03-01
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] サイズ分布幅が広い析出物に対する小角散乱評価結果と直接観察結果との比較2013
- Author(s)
  大沼、大場、津崎、片岡、佐藤
- Organizer
  日本鉄鋼協会春期講演大会
- Place of Presentation
  東京電機大学(東京)
- Year and Date
  2013-03-25
- Data Source
  KAKENHI-PROJECT-24360296
[Presentation] Study on the Early Stage of Precipitation in Steels by Combined use of SANS and SAXS2012
- Author(s)
  M. Ohnuma. Y. Oba, P. Kozikowski, S. Koppoju
- Organizer
  アメリカ結晶協会年会
- Place of Presentation
  合衆国(ボストン)(招待講演)
- Year and Date
  2012-07-31
- Data Source
  KAKENHI-PROJECT-24360296
[Presentation] Nanostructure and Chemical State of Co-Insulator Soft magnetic Nanogranular Film2012
- Author(s)
  Y. Oba, M. Ohnuma, S. Ohnuma, K. Ohishi, K. Takata, J. Suzuki, and M. Sugiyama (Y. Oba)
- Organizer
  15th International Small-Angle Scattering Conference
- Place of Presentation
  Sydney, Australia
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation]2012
- Author(s)
  Y. Oba, M. Ohnuma, S. Ohnuma, K. Ohishi, K Takata, J. Suzuki, and M. Sugiyama
- Organizer
  15th International Small-Angle Scattering Conference
- Place of Presentation
  Sydney、Australia
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] Partitioning State of Co in Co-insulator Soft Magnetic Nanogranular Films Characterized by Small-Angle Scattering2012
- Author(s)
  Y. Oba, M. Ohnuma, S. Ohnuma, and M. Furusaka (Y. Oba)
- Organizer
  International Union of Materials Research Societies - International Conference on Electronic Materials 2012
- Place of Presentation
  パシフィコ横浜、神奈川
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] Characterization of Nanostructures in Co-Pd-Si-O Soft Magnetic Nanogranular Film Using Compact type Small-Angle Neutron Scattering2012
- Author(s)
  Y.Oba, M.Ohnuma, S.Ohnuma, M.Furusaka
- Organizer
  2012 TMS Annual Meeting & Exhibition
- Place of Presentation
  Walt Disney World Swan and Dolphin Resort (Orlando)
- Year and Date
  2012-03-14
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] 中性子小角散乱法によるCo基ナノグラニュラー薄膜のナノ構造解析2012
- Author(s)
  大場洋次郎、大沼正人、大沼繁弘、大石一城、高田慎一、鈴木淳市、杉山正明（大場洋次郎）
- Organizer
  第4回J-PARC/MLFシンポジウム・茨城県ビームライン平成23年度成果報告会
- Place of Presentation
  日本科学未来館、東京
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] Microstructural Analysis of Metallic Materials using Small-Angle X-ray and Neutron Scattering2011
- Author(s)
  Y.Oba, M.Ohnuma, P.Kozikowski
- Organizer
  1st Asia-Oceania Conference on Neutron Scattering
- Place of Presentation
  つくば国際会議場(茨城県)
- Year and Date
  2011-11-23
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] X線・中性子小角散乱法によるCo-Pd-Si-Oナノグラニュラー膜の微細組織解析2011
- Author(s)
  大場洋次郎, 大沼正人, 大沼繁弘, 古坂道弘
- Organizer
  日本金属学会2011年度秋期大会
- Place of Presentation
  沖縄コンベンションセンター(沖縄県)
- Year and Date
  2011-11-07
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] Nanostructures and magnetic properties in Co-metal oxide nano-granular films2010
- Author(s)
  Y.Oba, M.Ohnuma, K.Suresh, S.Ohnuma
- Organizer
  International Symposium on Advanced Magnetic Materials and Applications 2010
- Place of Presentation
  Sendai International Center(宮城県)
- Year and Date
  2010-07-14
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] X線・中性子小角散乱法を併用したCo-Nb-Oナノグラニュラー膜におけるナノ組織の定量評価2010
- Author(s)
  大場洋次郎
- Organizer
  茨城県中性子利用促進研究会
- Place of Presentation
  いばらき量子ビームセンター(茨城県)
- Year and Date
  2010-09-09
- Data Source
  KAKENHI-PROJECT-22604003
[Presentation] Transmission Analysis in Time-of-Flight Small-Angle Neutron Scattering
- Author(s)
  Y. Oba and M. Sugiayam
- Organizer
  The 8th Meeting on Collective Action for Nomadic Small Angle Scatterers
- Place of Presentation
  Ibaraki Quantum Beam Research Center (Ibaraki・Tokai)
- Year and Date
  2015-04-14 – 2015-04-16
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] 中性子小角散乱-ブラッグエッジ同時解析法によるCu-V添加鋼中の析出物と結晶粒の解析
- Author(s)
  大場洋次郎、杉山正明、諸岡聡、佐藤博隆
- Organizer
  日本鉄鋼協会第168回秋季講演大会
- Place of Presentation
  名古屋大学東山キャンパス（愛知県・名古屋市）
- Year and Date
  2014-09-24 – 2014-09-26
- Data Source
  KAKENHI-PROJECT-26870313
[Presentation] 京大炉中性子小角散乱装置KUR-SANSにおける金属材料研究
- Author(s)
  大場洋次郎
- Organizer
  平成25年度金属組織研究会
- Place of Presentation
  研究社英語センター(東京都)
- Data Source
  KAKENHI-PROJECT-24360296

1. SATO Nobuhiro (10303918)

# of Collaborated Projects: 3 results

# of Collaborated Products: 5 results
2. ABE Seishi (20202666)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
3. OHNUMA Masato (90354208)

# of Collaborated Projects: 2 results

# of Collaborated Products: 16 results
4. SUZUKI Jun-ichi (40354899)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
5. SUGIYAMA Masaaki (10253395)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
6. PING Dehai (80354207)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
7. Mori Kazuhiro (40362412)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
8. 戸高義一 (50345956)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
9. 岩瀬謙二 (00524159)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
10. OHNUMA Shigehiro (50142633)

# of Collaborated Projects: 1 results

# of Collaborated Products: 10 results
11. KATO Koichi (20211849)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. FUJII Noriko (90199290)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. INOUE Rintaro (80563840)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. FURUSAKA Michihiro (60156966)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
15. URADE REIKO (90167289)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
16. Hirayama Tomoko (00340505)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
17. 篠原武尚 (90425629)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
18. 間宮広明 (30354351)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 石島政直 (60965573)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 西野正理 (80391217)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 梅垣いづみ (20638522)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 本田孝志 (70735745)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 柴山由樹 (20964323)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
24. 森英喜 (00456998)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 松中大介 (60403151)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. 都留智仁 (80455295)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 椎原良典 (90466855)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. 小林正和 (20378243)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. 三浦博己 (30219589)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Oba Yojiro 大場 洋次郎

OBA Yojiro 大場 洋次郎

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Clarification of hydrogen embrittlement in steel based on visualization of hydrogen using magnetic small-angle neutron scatteringPrincipal Investigator

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Unveiling microstructural evolution using multiscale neutron transmission imagingPrincipal Investigator

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Simultaneous characterization of precipitates and matrix in interphase precipitation using small-angle neutron scattering and Bragg-edge transmission analysisPrincipal Investigator

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Quantitative characterization of Nanogranular film using contrast variation between small-angle X-ray and neutron scatteringPrincipal Investigator

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[Journal Article] Small-angle neutron scattering by spatially inhomogeneous ferromagnets with a nonzero average uniaxial anisotropy2022

Oba Yojiro 大場洋次郎

OBA Yojiro 大場洋次郎