Ohira Itaru 大平格

Researcher Number	90873159
Other IDs
Affiliation (Current)	2025: 学習院大学, 理学部, 助教
Affiliation (based on the past Project Information) *help	2021 – 2023: 学習院大学, 理学部, 助教 2020 – 2021: 愛媛大学, 地球深部ダイナミクス研究センター, 研究員
Review Section/Research Field	Principal Investigator Basic Section 17040:Solid earth sciences-related / 0204:Astronomy, earth and planetary science, and related fields Except Principal Investigator Medium-sized Section 17:Earth and planetary science and related fields / Basic Section 17040:Solid earth sciences-related
Keywords	Principal Investigator 弾性波速度 / 高圧 / ガラス / 動径分布関数 / ポリアモルフィズム / 無容器法 / マグマ / 高温高圧実験 / 地球深部科学 / ケイ酸塩ガラス … More / 放射光X線 / 高圧その場実験 / 地球深部マグマ / 放射光X線その場観察 / 二体分布関数解析 … More Except Principal Investigator 高圧 / マグマ / 密度 / 弾性 / 粘性 / 中性子散乱 / 超イオン伝導 / 氷 / 中性子散乱実験 / 高圧力 / 中性子 / 中性子回折 / 高温高圧 / メルト / メルト構造 / 弾性波速度 / X線トモグラフィー Less

無容器ガラス合成法と放射光X線実験から探るアルミノケイ酸塩ガラスの高圧構造変化Principal Investigator
- Principal Investigator
  
  大平格
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Gakushuin University
Comprehensive study of anomalous behaviors of viscosity, elasticity, and density of silicate magmas under pressure
- Principal Investigator
  
  河野義生
- Project Period (FY)
  2023 – 2027
- Research Category
  
  Fund for the Promotion of Joint International Research (International Collaborative Research)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Ehime University
High pressure and high temperature in situ measurements of physical properties of silicate glasses toward understanding the physical properties of magmas in the deep EarthPrincipal Investigator
- Principal Investigator
  
  Ohira Itaru
- Project Period (FY)
  2020 – 2021
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0204:Astronomy, earth and planetary science, and related fields
- Research Institution
  Gakushuin University
  Ehime University
Investigation of superionic states in planetary interiors by neutron diffraction experiments at high temperatures and pressures
- Principal Investigator
  
  Sano Asami
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 17040:Solid earth sciences-related
- Research Institution
  Japan Atomic Energy Agency
Studies of magmas under pressure by using high-pressure X-ray tomography
- Principal Investigator
  
  Kono Yoshio
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Fund for the Promotion of Joint International Research (Fostering Joint International Research (B))
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Ehime University

All 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] Different structural behavior of MgSiO3 and CaSiO3 glasses at high pressures2023
- Author(s)
  Kondo Nozomi M., Kono Yoshio, Ohira Itaru, Hrubiak Rostislav, Ohara Koji, Nitta Kiyofumi, Sekizawa Oki
- Journal Title
  
  American Mineralogist
  
  Volume: in press Issue: 6 Pages: 1045-1053
- DOI
  10.2138/am-2023-9060
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13193
[Journal Article] Elucidation of impact event recorded in the lherzolitic shergottite NWA 73972021
- Author(s)
  Yoshida Masashi、Miyahara Masaaki、Suga Hiroki、Yamaguchi Akira、Tomioka Naotaka、Sakai Takeshi、Ohfuji Hiroaki、Maeda Fumiya、Ohira Itaru、Ohtani Eiji、Kamada Seiji、Ohigashi Takuji、Inagaki Yuichi、Kodama Yu、Hirao Naohisa
- Journal Title
  
  Meteoritics & Planetary Science
  
  Volume: 56 Issue: 9 Pages: 1729-1743
- DOI
  10.1111/maps.13735
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22369, KAKENHI-PROJECT-17H01172, KAKENHI-PROJECT-18H05232, KAKENHI-PROJECT-19H02005, KAKENHI-PROJECT-20H01965, KAKENHI-PROJECT-21K18660, KAKENHI-PROJECT-19K14780, KAKENHI-PROJECT-20H00187
[Journal Article] The influence of δ-(Al,Fe)OOH on seismic heterogeneities in Earth’s lower mantle2021
- Author(s)
  Ohira Itaru、Jackson Jennifer M.、Sturhahn Wolfgang、Finkelstein Gregory J.、Kawazoe Takaaki、Toellner Thomas S.、Suzuki Akio、Ohtani Eiji
- Journal Title
  
  Scientific Reports
  
  Volume: 11 Issue: 1 Pages: 12036-12036
- DOI
  10.1038/s41598-021-91180-9
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22369, KAKENHI-PUBLICLY-20H04604, KAKENHI-PROJECT-19H01985, KAKENHI-PROJECT-20H00187, KAKENHI-PROJECT-23K20897
[Presentation] Anomalous increase in velocity of calcium aluminate glass during compression process2023
- Author(s)
  Ohira Itaru, Kono Yoshio, Greaux Steeve, Kondo Nozomi M., Higo Yuji, Hrubiak Rostislav
- Organizer
  The 9th International Discussion Meeting on Relaxations in Complex Systems (9 IDMRCS)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13193
[Presentation] Pressure and composition dependence of elastic wave velocity of Al2O3-SiO2 Glasses2023
- Author(s)
  Ohira Itaru, Kono Yoshio, Greaux Steeve, Kondo Nozomi M., Kuwahara Hideharu , Inoue Sayako, Higo Yuji
- Organizer
  日本地球惑星科学連合2023年大会
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K13193
[Presentation] MgSiO３ガラスとCaSiO3ガラスの異なる高圧構造変化2022
- Author(s)
  近藤望、河野義生、大平格、Rostislay Hrubiak, 尾原幸治、新田清文、関沢央輝
- Organizer
  地球化学会２０２２年度年会
- Data Source
  KAKENHI-PROJECT-19KK0093
[Presentation] Structural study of silica-free calcium aluminate glass at high-pressures using the synchrotron X-ray facilities2022
- Author(s)
  I. Ohira, Y. Kono, S. Greaux, N. M. Kondo, R. Hrubiak, and Y. Higo
- Organizer
  Japan Geoscience Union Meeting 2022
- Data Source
  KAKENHI-PROJECT-19KK0093
[Presentation] Sound velocities of mantle rock aggregates at simultaneous high pressure and high temperature: implications for the structure of the mantle transition region2021
- Author(s)
  Greaux Steeve、Kuwahara Hideharu、Kono Yoshio、Higo Yuji、Mitsu Keisuke、Ohira ItaruKondo Nozomi、Irifune Tetsuo
- Organizer
  10th Asian Conference on High Pressure Research
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22369
[Presentation] MgSiO3ガラスとCaSiO3ガラスの高圧構造変化2021
- Author(s)
  近藤望，河野義生，大平格，HRUBIAK Ross，尾原幸治，新田清文，関澤央輝
- Organizer
  第62回高圧討論会
- Data Source
  KAKENHI-PROJECT-19KK0093
[Presentation] 高圧下におけるSiO2-Al2O3ガラスの構造と弾性波速度2021
- Author(s)
  大平格，河野義生，GREAUX Steeve，近藤望，桑原秀治，SHEN Guoyin
- Organizer
  第62回高圧討論会
- Data Source
  KAKENHI-PROJECT-19KK0093
[Presentation] 高圧下におけるSiO2-Al2O3ガラスの構造と弾性波速度2021
- Author(s)
  大平格、河野義生、Greaux Steeve、近藤望、桑原秀治、Shen Guoyin
- Organizer
  第62回高圧討論会
- Data Source
  KAKENHI-PROJECT-20K22369
[Presentation] Structure measurement of silicate and oxide glasses under ultrahigh pressure conditions to >100 GPa2021
- Author(s)
  Kono, Y., Ohira, I., Shu, Y., Wang, Y., Shen, G.
- Organizer
  10th Asian Conference on High Pressure Research
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19KK0093
[Presentation] Structure measurement of silicate and oxide glasses under ultrahigh pressure conditions to >100 GPa2021
- Author(s)
  Kono Yoshio、Ohira Itaru、Shu Yu、Wang Yanbin、Shen Guoyin
- Organizer
  10th Asian Conference on High Pressure Research
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22369
[Presentation] New developments in large volume static compression with in situ synchrotron x-ray diffraction at High Pressure Collaborative Access Team (HPCAT) at the Advanced Photon Source2021
- Author(s)
  Hrubiak Rostislav、Shen Guoyin、Kenney-Benson Curtis、Park Changyong、Shu Yu、Ohira Itaru、Kono Yoshio
- Organizer
  10th Asian Conference on High Pressure Research
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22369
[Presentation] X-ray diffraction measurements on aluminosilicate glasses at ultrahigh-pressure conditions2020
- Author(s)
  Itaru Ohira
- Organizer
  Japan Geoscience Union - American Geophysical Union Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19KK0093
[Presentation] X-ray diffraction measurements on aluminosilicate glasses at ultrahigh-pressure conditions2020
- Author(s)
  Itaru Ohira, Yoshio Kono, Yu Shu, Yuki Shibazaki, Curtis Kenney-Benson, Rostislav Hrubiak, Atsunobu Masuno, Guoyin Shen.
- Organizer
  Japan Geoscience Union - American Geophysical Union Joint Meeting 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K22369

1. Kono Yoshio (20452683)

# of Collaborated Projects: 3 results

# of Collaborated Products: 5 results
2. 近藤望 (70824275)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
3. Sano Asami (30547104)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 桑原秀治 (50505394)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results

Ohira Itaru 大平 格

Research Projects

Research Products

Co-Researchers

無容器ガラス合成法と放射光X線実験から探るアルミノケイ酸塩ガラスの高圧構造変化Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Comprehensive study of anomalous behaviors of viscosity, elasticity, and density of silicate magmas under pressure

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

High pressure and high temperature in situ measurements of physical properties of silicate glasses toward understanding the physical properties of magmas in the deep EarthPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Investigation of superionic states in planetary interiors by neutron diffraction experiments at high temperatures and pressures

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Studies of magmas under pressure by using high-pressure X-ray tomography

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Different structural behavior of MgSiO3 and CaSiO3 glasses at high pressures2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Elucidation of impact event recorded in the lherzolitic shergottite NWA 73972021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] The influence of δ-(Al,Fe)OOH on seismic heterogeneities in Earth’s lower mantle2021

Author(s)

Journal Title

DOI

Data Source

[Presentation] Anomalous increase in velocity of calcium aluminate glass during compression process2023

Author(s)

Organizer

Data Source

[Presentation] Pressure and composition dependence of elastic wave velocity of Al2O3-SiO2 Glasses2023

Author(s)

Organizer

Data Source

[Presentation] MgSiO３ガラスとCaSiO3ガラスの異なる高圧構造変化2022

Author(s)

Organizer

Data Source

[Presentation] Structural study of silica-free calcium aluminate glass at high-pressures using the synchrotron X-ray facilities2022

Author(s)

Organizer

Data Source

[Presentation] Sound velocities of mantle rock aggregates at simultaneous high pressure and high temperature: implications for the structure of the mantle transition region2021

Author(s)

Organizer

Data Source

[Presentation] MgSiO3ガラスとCaSiO3ガラスの高圧構造変化2021

Author(s)

Organizer

Data Source

[Presentation] 高圧下におけるSiO2-Al2O3ガラスの構造と弾性波速度2021

Author(s)

Organizer

Data Source

[Presentation] 高圧下におけるSiO2-Al2O3ガラスの構造と弾性波速度2021

Author(s)

Organizer

Ohira Itaru 大平格