IWASHITA TAKUYA 岩下拓哉

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Iwashita Takuya 岩下拓哉

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Researcher Number	30789508
Other IDs	https://orcid.org/0000-0002-0757-7932
Affiliation (Current)	2025: 大分大学, 理工学部, 准教授
Affiliation (based on the past Project Information) *help	2017 – 2024: 大分大学, 理工学部, 准教授
Review Section/Research Field	Principal Investigator Transformative Research Areas, Section (II) / Basic Section 13040:Biophysics, chemical physics and soft matter physics-related / Biological physics/Chemical physics/Soft matter physics Except Principal Investigator Basic Section 19010:Fluid engineering-related
Keywords	Principal Investigator 粘度 / 液体 / レオロジー / 分子動力学シミュレーション / ガラス / 電気伝導度 / 荷電コロイド分散系 / シミュレーション / ガラス転移現象 / 電気粘性効果 … More / コロイド結晶 / 電気粘性 / 荷電シリカ分散系 / ガラス転移 / pH / 小角散乱 / ゼータ電位 / 荷電シリカ分散計 / 相図 / 大気平衡 / 小角X線散乱 / 相転移 / 構造解析 / コロイドガラス / 非晶質 / 異分野融合 / 構造不規則系 / 分子性液体 / 局所構造緩和 / 水溶液 / 1,2,3 Triazole / イオン液体 / シリカ / シリコン / 水 / 塑性変形 / 弾性変形 / 破壊 / 金属ガラス / 第一原理MD / 異常検知 / 局所力学量 / レオメータ / スケーリング則 / 第一原理原子応力 / 構造異方性 / 高温液体 / 過冷却液体 / 非平衡定常熱力学 / ヒステリシス / 酸化物ガラス / 応力 / 機械学習 / 力学特性 / X線非弾性散乱 / 重水 / 粘性起源 / 水のダイナミクス / 実空間実時間相関 / 非弾性Ｘ線散乱 / 中性子散乱 / 液体の運動論 / 局所構造 / 非弾性Ｘ腺散乱 / Van Hove function / 応力緩和 / 動的構造 / 非弾性X線散乱 … More Except Principal Investigator 散逸構造 / 液晶 / 電気対流 / 負の粘性 / レオロジー / 液晶電気対流 Less

Discretization of molecular liquid dynamicsPrincipal Investigator
- Principal Investigator
  
  岩下拓哉
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13040:Biophysics, chemical physics and soft matter physics-related
- Research Institution
  Oita University
Rheology of disordered materials: Establishing Anankeon dynamicsArea Organizer
- Area Organizer
  
  岩下拓哉
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (B)
Planning and management for promoting research on Anankeon dynamicsPrincipal Investigator
- Principal Investigator
  
  岩下拓哉
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (B)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Oita University
Rheology of Charged Colloidal Suspensions: Anankeon Dynamics and ElectroviscosityPrincipal Investigator
- Principal Investigator
  
  岩下拓哉
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Transformative Research Areas (B)
- Review Section
  
  Transformative Research Areas, Section (II)
- Research Institution
  Oita University
How does a glass break? : Atomic level fracture and application of machine learningPrincipal Investigator
- Principal Investigator
  
  Iwashita Takuya
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13040:Biophysics, chemical physics and soft matter physics-related
- Research Institution
  Oita University
Negative viscosity induced by electroconvection in a nematic liquid crystal
- Principal Investigator
  
  Nagaya Tomoyuki
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 19010:Fluid engineering-related
- Research Institution
  Oita University
Unveiling thermally activated dynamics in liquids and microscopic origin of viscosityPrincipal Investigator
- Principal Investigator
  
  Iwashita Takuya
- Project Period (FY)
  2017 – 2018
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Biological physics/Chemical physics/Soft matter physics
- Research Institution
  Oita University

All 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

[Journal Article] Proton Diffusion in Liquid 1, 2, 3-Triazole Studied by Incoherent Quasi-Elastic Neutron Scattering2024
- Author(s)
  Yuya Shinohara, Takuya Iwashita, Masahiro Nakanishi, Naresh C Osti, Maiko Kofu, Masami Nirei, Wojciech Dmowski, Takeshi Egami
- Journal Title
  
  The Journal of Physical Chemistry B
  
  Volume: 128 Issue: 6 Pages: 1544-1549
- DOI
  10.1021/acs.jpcb.3c07685
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K03553
[Journal Article] First-principles atomic level stresses: application to a metallic glass under shear2023
- Author(s)
  Ivan Lobzenko, Tomohito Tsuru, Yoshinori Shiihara, Takuya Iwashita
- Journal Title
  
  Materials Research Express
  
  Volume: 10 Issue: 8 Pages: 085201-085201
- DOI
  10.1088/2053-1591/acf2da
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-22H05040, KAKENHI-PLANNED-22H05041, KAKENHI-PROJECT-23K23030
[Journal Article] Scaling of Shear Rheology of Concentrated Charged Colloidal Suspensions across Glass Transition2022
- Author(s)
  Wu Bin、Iwashita Takuya、Chen Wei-Ren
- Journal Title
  
  The Journal of Physical Chemistry B
  
  Volume: 126 Issue: 4 Pages: 922-927
- DOI
  10.1021/acs.jpcb.1c06683
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03771
[Journal Article] Editorial: Modeling of structural and chemical disorders: From metallic glasses to high entropy alloys2022
- Author(s)
  Yue Fan, Penghui Cao, Takuya Iwashita, Jun Ding
- Journal Title
  
  Frontiers in Materials
  
  Volume: 9 Pages: 1006726-1006726
- DOI
  10.3389/fmats.2022.1006726
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03771
[Journal Article] Shear Softening in a Metallic Glass: First-Principles Local-Stress Analysis2020
- Author(s)
  I. Lobzenko, Y. Shiihara, T. Iwashita, and T. Egami
- Journal Title
  
  Physical Review Letters
  
  Volume: 124 Issue: 8 Pages: 085503-085503
- DOI
  10.1103/physrevlett.124.085503
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03771, KAKENHI-ORGANIZER-18H05450, KAKENHI-PUBLICLY-19H05177
[Journal Article] Strong Correlation Between Atomic-Level Pressures and Viscous Shear Relaxations in Liquids2020
- Author(s)
  T. Iwashita, H. Koga, and S. Yamada
- Journal Title
  
  JOM
  
  Volume: 72 Issue: 2 Pages: 854-859
- DOI
  10.1007/s11837-019-03889-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K03771
[Journal Article] Connection between the anisotropic structure and nonlinear rheology of sheared colloidal suspensions investigated by Brownian dynamics simulations2019
- Author(s)
  Luis Sanchez-Diaz, Takuya Iwashita, Takeshi Egami, Wei-Ren Chen
- Journal Title
  
  Journal of Physics Communications
  
  Volume: 20 Issue: 5 Pages: 20-20
- DOI
  10.1088/2399-6528/ab1e79
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14371
[Journal Article] Local elasticity in nonlinear rheology of interacting colloidal glasses revealed by neutron scattering and rheometry2019
- Author(s)
  Zhe Wang, Takuya Iwashita, Lionel Porcar, Yangyang Wang, Yun Liu, Luis Sanchez-Diaz, Bin Wu, Guan-Rong Huang, Takeshi Egami, Wei-Ren Chen
- Journal Title
  
  Physical Chemistry Chemical Physics
  
  Volume: 21 Issue: 1 Pages: 3845-3845
- DOI
  10.1039/c8cp05247f
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14371
[Journal Article] Viscosity and real-space molecular motion of water: Observation with inelastic x-ray scattering2018
- Author(s)
  Shinohara Yuya、Dmowski Wojciech、Iwashita Takuya、Wu Bin、Ishikawa Daisuke、Baron Alfred Q. R.、Egami Takeshi
- Journal Title
  
  Physical Review E
  
  Volume: 98 Issue: 2 Pages: 022604-022604
- DOI
  10.1103/physreve.98.022604
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H06285, KAKENHI-PROJECT-17K14371
[Journal Article] 液体・ガラスの運動論とエネルギーランドスケープ2018
- Author(s)
  岩下拓哉，江上　毅
- Journal Title
  
  日本物理学会会誌
  
  Volume: 73 Pages: 832-832
- NAID
  130007666499
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] Determining an interparticle potential in charged colloidal suspension under a salt-free condition2024
- Author(s)
  Takuya Iwashita
- Organizer
  研究会「凝縮系の理論化学」
- Data Source
  KAKENHI-PLANNED-22H05040
[Presentation] 液体のダイナミクス:ソフトマターとハードマター2023
- Author(s)
  岩下拓哉
- Organizer
  令和 5 年度高分子学会九州支部女性研究者創発フォーラム
- Invited
- Data Source
  KAKENHI-PROJECT-22K03553
[Presentation] Viscosity and elementary excitations in molecular liquids2023
- Author(s)
  T. Iwashita and W. Bin
- Organizer
  American Physical Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 水の誘電緩和スペクトルの時空間構造2023
- Author(s)
  岩下拓哉, 中西真大
- Organizer
  第 37 回分子シミュレーション討論会
- Data Source
  KAKENHI-PLANNED-22H05040
[Presentation] 動的素励起に基づく構造不規則系材料の変形機構2023
- Author(s)
  岩下拓哉
- Organizer
  日本金属学会講演大会
- Invited
- Data Source
  KAKENHI-PLANNED-22H05040
[Presentation] 水の誘電緩和スペクトルの時空間構造2023
- Author(s)
  岩下拓哉, 中西真大
- Organizer
  第 37 回分子シミュレーション討論会
- Data Source
  KAKENHI-PROJECT-22K03553
[Presentation] 分子性液体の粘度と所構造緩和2022
- Author(s)
  森川光太郎，岩下拓哉
- Organizer
  2022年日本物理学会九州支部会
- Data Source
  KAKENHI-PROJECT-22K03553
[Presentation] 荷電コロイド分散系の塩誘起ガラス転移のレオロジとスケーリング則2022
- Author(s)
  岩下拓哉，Wu Bin, Wei-Ren Chen
- Organizer
  第10回ソフトマター研究会
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 荷電コロイド分散系のレオロジーに対するスケーリング2022
- Author(s)
  岩下拓哉
- Organizer
  第36回分子シミュレーション研究会
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 機械学習ポテンシャル原子応力による金属ガラス内部変形素子の特定2021
- Author(s)
  加藤響，椎原良典，Ivan Lobzenko，松中大介，森英喜，岩下拓哉
- Organizer
  第6回マルチスケール材料力学シンポジウム
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 不規則構造物質の局所構造緩和2021
- Author(s)
  岩下拓哉
- Organizer
  日本物理学会秋季大会
- Invited
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 局所力学量で視る液体の動力学2019
- Author(s)
  山田爽水　岩下拓哉
- Organizer
  日本物理学会九州支部会
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 液体金属の不均一な局所応力緩和2019
- Author(s)
  古賀遼生　岩下拓哉
- Organizer
  スーパーコンピュータワークショップ2018
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] 液体の局所粘度の空間相関2019
- Author(s)
  古賀遼生　岩下拓哉
- Organizer
  日本物理学会九州支部会
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 不規則物質の動的欠陥探索と運動論2019
- Author(s)
  岩下拓哉
- Organizer
  レア・イベントの計算科学ワークショップ
- Invited
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 液体金属の原子レベル応力,局所構造,局所粘性緩和2019
- Author(s)
  岩下拓哉
- Organizer
  日本物理学会第74回年次大会
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] 荷電コロイドの粘度と熱的活性過程の関係2019
- Author(s)
  山崎拓真　岩下拓哉
- Organizer
  日本物理学会九州支部会
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] Emergence of local slow dynamics of water molecules induced by sodium chloride2019
- Author(s)
  Yuya Shinohara, Wojciech Dmowski, Takuya Iwashita, Daisuke Ishikawa, Alfred Baron, Takeshi Egami
- Organizer
  American Physical Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] 液体金属における粘度の局所構造起源探索2019
- Author(s)
  山田爽水　岩下拓哉
- Organizer
  日本物理学会秋季大会
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 荷電コロイドの粘度と局所構造の相関2019
- Author(s)
  山崎拓真　岩下拓哉
- Organizer
  スパコンワークショップ2019
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] 液体の粘度と応力の局所的相関2019
- Author(s)
  古賀遼生　岩下拓哉
- Organizer
  日本物理学会秋季大会
- Data Source
  KAKENHI-PROJECT-19K03771
[Presentation] Molecular Motion of Water in Real Space and Time observed with Inelastic X-ray Scattering2018
- Author(s)
  Yuya Shinohara , Wojciech Dmowski , Takuya Iwashita , Bin Wu , Daisuke Ishigawa , Alfred Baron , Takeshi Egami
- Organizer
  American Physical Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] Isotope effects on van-Hove functions for liquid H2O and D2O by inelastic X-ray scattering2018
- Author(s)
  Takuya Iwashita , Bin Wu , Wei-Ren Chen , Alfred Baron , Takeshi Egami
- Organizer
  American Physical Society
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] 液体金属の不均一な局所応力緩和2018
- Author(s)
  古賀遼生　岩下拓哉
- Organizer
  日本物理学会九州支部会
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] 実空間で視る液体の原子レベルダイナミクス2018
- Author(s)
  岩下拓哉
- Organizer
  東京大学物性研究所短期研究会「ガラス転移と関連分野の最先端研究」
- Invited
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] 液体とガラスの未解決問題2018
- Author(s)
  岩下拓哉
- Organizer
  第9回大分大学技術交流会
- Invited
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] ガラスや液体の素励起に関する物理2018
- Author(s)
  岩下拓哉
- Organizer
  日本物理学会領域10 第28回格子欠陥フォーラム「格子欠陥研究における理論・実験・計算の最前線」
- Invited
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] 変形下における金属ガラスの構造異方性と弾性不均一2018
- Author(s)
  村上祐太　岩下拓哉
- Organizer
  日本物理学会九州支部会
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] 液体金属の微視的破壊の解明：多変量解析の応用2018
- Author(s)
  山田爽水　岩下拓哉
- Organizer
  日本物理学会九州支部会
- Data Source
  KAKENHI-PROJECT-17K14371
[Presentation] 計算機シミュレーションによる液体・ガラスの物性研究2018
- Author(s)
  岩下拓哉
- Organizer
  東北大学金属材料研究所　スパコンプロフェッショナルNo.16
- Invited
- Data Source
  KAKENHI-PROJECT-17K14371

1. Nagaya Tomoyuki (00228058)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
2. 足立望 (00758724)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. Ivan Lobzenko (30802293)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
5. ALFRED Baron

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
6. Kirschvink Joseph

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

IWASHITA TAKUYA 岩下 拓哉

Iwashita Takuya 岩下 拓哉

Research Projects

Research Products

Co-Researchers

Discretization of molecular liquid dynamicsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Rheology of disordered materials: Establishing Anankeon dynamicsArea Organizer

Area Organizer

Project Period (FY)

Research Category

Planning and management for promoting research on Anankeon dynamicsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Rheology of Charged Colloidal Suspensions: Anankeon Dynamics and ElectroviscosityPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

How does a glass break? : Atomic level fracture and application of machine learningPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Negative viscosity induced by electroconvection in a nematic liquid crystal

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Unveiling thermally activated dynamics in liquids and microscopic origin of viscosityPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Proton Diffusion in Liquid 1, 2, 3-Triazole Studied by Incoherent Quasi-Elastic Neutron Scattering2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] First-principles atomic level stresses: application to a metallic glass under shear2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Scaling of Shear Rheology of Concentrated Charged Colloidal Suspensions across Glass Transition2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Editorial: Modeling of structural and chemical disorders: From metallic glasses to high entropy alloys2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Shear Softening in a Metallic Glass: First-Principles Local-Stress Analysis2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Strong Correlation Between Atomic-Level Pressures and Viscous Shear Relaxations in Liquids2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Connection between the anisotropic structure and nonlinear rheology of sheared colloidal suspensions investigated by Brownian dynamics simulations2019

Author(s)

Journal Title

DOI

Data Source

IWASHITA TAKUYA 岩下拓哉

Iwashita Takuya 岩下拓哉