Ohira Itaru

オオヒライタル | Ohira Itaru

Affiliation and department：
Job title： Assistant Professor

Research field (2)： Solid earth science , Inorganic materials

Research keywords (5)： Ultrahigh-pressure Earth Science , High-pressure and high-temperature experiment , Hydrous mineral , Glass , Synchrotron X-ray

Research theme for competitive and other funds (7)：

2023 - 2028 Comprehensive study of anomalous behaviors of viscosity, elasticity, and density of silicate magmas under pressure
2023 - 2026 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
2020 - 2023 高温高圧下中性子実験による惑星内部の超イオン伝導状態の解明
2019 - 2023 Studies of magmas under pressure by using high-pressure X-ray tomography
2020 - 2022 High pressure and high temperature in situ measurements of physical properties of silicate glasses toward understanding the physical properties of magmas in the deep Earth

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Papers (15)：

Itaru Ohira, Yoshio Kono, Steeve Gréaux, James W E Drewitt, Sandro Jahn, Fumiya Noritake, Koji Ohara, Satoshi Hiroi, Nozomi M. Kondo, Rostislav Hrubiak, et al. Pressure-induced polyamorphic transition in CaAl2O4 glass. Physical Review B. 2024. 110. 5. 054115
Nozomi M. Kondo, Yoshio Kono, Itaru Ohira, Rostislav Hrubiak, Koji Ohara, Kiyofumi Nitta, Oki Sekizawa. Different structural behavior of MgSiO3 and CaSiO3 glasses at high pressures. American Mineralogist. 2024. 109. 6. 1045-1053
Benjamin Strozewski, Johannes Buchen, Wolfgang Sturhahn, Takayuki Ishii, Itaru Ohira, Stella Chariton, Barbara Lavina, Jiyong Zhao, Thomas S. Toellner, Jennifer M. Jackson. Equation of state and spin crossover of (Al,Fe)-phase H. Journal of Geophysical Research: Solid Earth. 2023. 128. 4
Masashi Yoshida, Masaaki Miyahara, Hiroki Suga, Akira Yamaguchi, Naotaka Tomioka, Takeshi Sakai, Hiroaki Ohfuji, Fumiya Maeda, Itaru Ohira, Eiji Ohtani, et al. Elucidation of impact event recorded in the lherzolitic shergottite NWA 7397. Meteoritics and Planetary Science. 2021. 56. 9. 1729-1743
Itaru Ohira, Jennifer M. Jackson, Wolfgang Sturhahn, Gregory J. Finkelstein, Takaaki Kawazoe, Thomas S. Toellner, Akio Suzuki, Eiji Ohtani. The influence of δ-(Al,Fe)OOH on seismic heterogeneities in Earth’s lower mantle. Scientific Reports. 2021. 11. 12036

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Lectures and oral presentations (61)：

Effect of basaltic melt on elastic wave velocities of olivine and wadsleyite aggregates
(第65回高圧討論会 2024)
Mgに富むMgO-SiO2系ガラスの高圧下弾性波速度測定
(第65回高圧討論会 2024)
新規Bi含有酸化物の高圧合成と放射光X線を用いた高温高圧下でのその場観察
(第65回高圧討論会 2024)
MgCr2O4-FeCr2O4系におけるCaFe2O4型およびCaTi2O4型高圧相の安定領域の組成依存性
(第65回高圧討論会 2024)
MgSiO3-Al2O3系の高圧相関系
(第65回高圧討論会 2024)

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Education (3)：

2015 - 2018 Tohoku University Graduate School of Science Department of Earth Science
2011 - 2013 Tohoku University Graduate School of Science Department of Earth Science
2007 - 2011 Tohoku University Faculty of Science Division of Earth Materials Science

Professional career (1)：

Work history (6)：

2021/04 - 現在 Gakushuin University Department of Chemistry, Faculty of Science Assistant Professor
2020/02 - 2021/03 Earth-Life Science Institute, Tokyo Institute of Technology WPI Postdoctoral research fellow
2020/02 - 2021/03 Ehime University Geodynamics Research Center WPI Postdoctoral research fellow
2018/04 - 2020/01 HPCAT, APS, Argonne National Laboratory (Host institute: Geophysical Laboratory, Carnegie Institution for Science) Visiting Scientist (JSPS Overseas Research Fellowships)
2016/04 - 2018/03 JSPS Research Fellow (DC2)

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Awards (2)：

2021/02 - The Earth-Life Science Institute (ELSI) at Tokyo Institute of Technology Director's Achievement Award
2017/05 - JpGU-AGU Joint Meeting 2017 Outstanding Student Presentation Award [Title] Single crystal synthesis of δ-(Al,Fe)OOH using multi-anvil apparatus

Association Membership(s) (3)：

American Geophysical Union , The Japan Society of High Pressure Science and Technology , Japan Geoscience Union

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