Rchr
J-GLOBAL ID:201601010605303373
Update date: Jun. 28, 2024
Ohta Kenji
オオタ ケンジ | Ohta Kenji
Affiliation and department:
Job title:
Associate Professor
Homepage URL (2):
https://sites.google.com/view/kenji-ohta
,
http://kenjiohta-uhpr.sakura.ne.jp/Kenji_Ohtas_homepage/Welcome.html
Research field (1):
Solid earth science
Research keywords (8):
Sound velocity
, Thermal conductivity
, Electrical conductivity
, High pressure and temperature experiment
, Core-Mantle Boundary
, Core
, Mantle
, Earth's Deep Interior
Research theme for competitive and other funds (14):
- 2024 - 2028 Solid State Ionics under extreme conditions of Earth's deep interior
- 2024 - 2028 回転式DACによる超高圧高温変形実験から明らかにする深部スラブの変形特性
- 2023 - 2027 Verification of superionic state of the subducting oceanic plate by high-pressure experiments, theoretical calculations, and electromagnetic sounding analysis
- 2021 - 2026 Light elements in the Earth's core revealed by ultrahigh-pressure experiments
- 2019 - 2023 超高温・高圧条件における地球深部物質の体積熱容量計測技術の開発
- 2019 - 2023 地球外核・内核の伝導特性の実験的制約による地球熱進化の理解
- 2021 - 2022 高圧下の鉄合金の特性とコアの軽元素組成の制約
- 2017 - 2020 高温高圧実験で探る地球中心核の熱伝導率と地球熱進化
- 2015 - 2020 Dynamic behaviour of core and mantle materials
- 2015 - 2019 高圧変形実験で探る地球中心核の異方性
- 2014 - 2018 極限環境の熱伝導率計測技術による地球コア内部の熱移動の解明
- 2014 - 2017 Electrical and thermal conduction properties of Earth's core
- 2011 - 2013 高温高圧下でのマントル鉱物、水素の熱・電気伝導率測定:惑星内部の輸送特性の解明
- 2008 - 2011 地球深部物質の電気伝導度測定
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Papers (53):
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Saori Kawaguchi-Imada, Ryosuke Sinmyo, Kenji Ohta, Shogo Kawaguchi, Toshiyuki Kobayashi. Submillisecond in situ X-ray diffraction measurement system with changing temperature and pressure using diamond anvil cells at BL10XU/SPring-8. Journal of Synchrotron Radiation. 2024. 31. Pt 2. 343-354
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Kenji Ohta, Sho Suehiro, Saori I. Kawaguchi, Yoshiyuki Okuda, Tatsuya Wakamatsu, Kei Hirose, Yasuo Ohishi, Manabu Kodama, Shuichiro Hirai, Shintaro Azuma. Measuring the Electrical Resistivity of Liquid Iron to 1.4 Mbar. Physical Review Letters. 2023. 130. 26. 266301
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Yohan Park, Kyoko Yonemitsu, Kei Hirose, Yasuhiro Kuwayama, Shintaro Azuma, Kenji Ohta. Viscosity of Earth’s inner core constrained by Fe-Ni interdiffusion in Fe-Si alloy in an internal-resistive-heated diamond anvil cell. American Mineralogist. 2023. 108. 6. 1064-1071
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Kenji Ohta. Ammonia and the ice giants. Nature Physics. 2023
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Yoshihiro Nagaya, Hitoshi Gomi, Kenji Ohta, Kei Hirose. Equations of state for B2 and bcc Fe1-Si. Physics of the Earth and Planetary Interiors. 2023. 107046-107046
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MISC (25):
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Kenji OHTA. ダイヤモンドアンビルセル中の物質の高温高圧その場熱物性測定. The Review of High Pressure Science and Technology. 2022. 32. 3. 114-119
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大石泰生, 平尾直久, 河口沙織, 田中隆次, 田中隆次, 太田健二, 廣瀬敬. BL10XU/SPring-8でのX線広帯域化と同時計測. 高圧討論会講演要旨集. 2019. 60th
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太田健二, 末広翔, 奥田善之. 核-マントルの相互作用と共進化 地球中心核とマントルの熱伝導率. 月刊地球. 2018. 40. 6. 319-323
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T.Matsuoka, K.Shimizu, K.Kuno, N.Hirao, Y.Ohishi, M.Sakata, K.Ohta, Y.Nakamoto, T.Kume, S.Sasaki. H2-contaning lithium polyhydrides synthesized under high pressure and high temperature II. Meeting Abstracts of the Physical Society of Japan. 2017. 72. 1584-1584
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大石泰生, 平尾直久, 河口沙織, 米山明男, 太田健二, 廣瀬敬. BL10XU/SPring-8におけるX線イメージングの導入. 高圧討論会講演要旨集. 2017. 58th
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Lectures and oral presentations (13):
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Inversion of the temperature dependence of thermal conductivity of hcp iron under high pressure
(The Joint 28th AIRAPT and 60th EHPRG International Conference 2023 2023)
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Measuring the electrical resistivity of liquid iron at the pressures of planetary cores
(Study of Earth's Deep Interior (SEDI) 2022@Zurich 2022)
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Measurements of high pressure-temperature thermal conductivity of the Earth's lower mantle minerals in a laser-heated diamond anvil cell
(JpGU 2019 2019)
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Experimental determination of the thermal and electrical conductivity of iron at Earth’s core conditions
(High Pressure Research at Gordon Research Conference 2018 2018)
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Experimentally inferred thermal conductivity of planetary cores
(Japan Geoscience Union Meeting 2018 2018)
more...
Education (2):
- 2006 - 2010 Tokyo Institute of Technology Graduate School of Science and Technology Department of Earth and Planetary Sciences
- 2002 - 2006 Tokyo Institute of Technology School of Science Department of Earth and Planetary Sciences
Professional career (1):
- PhD (Tokyo Institute of Technology)
Work history (5):
- 2017/07 - 現在 Tokyo Insititute of Technology School of Science, Department of Earth and Planetary Sciences Associate professor
- 2013/11 - 2017/06 Tokyo Insititute of Technology School of Science, Department of Earth and Planetary Sciences Lecturer
- 2011/04 - 2013/10 Osaka University Center for Quantum Science and Technology under Extreme Conditions JSPS researcher (SPD)
- 2010/10 - 2011/03 Tokyo Insititute of Technology Department of Earth and Planetary Sciences, Graduate school of Science and Technology JSPS researcher (PD)
- 2008/04 - 2010/09 Tokyo Insititute of Technology Graduate school of Science and Technology, Department of Earth and Planetary Sciences JSPS researcher (DC1)
Committee career (5):
- 2020/04 - 現在 SPring-8ユーザー協同体(SPRUC)地球惑星科学会 会長
- 2017/11 - 現在 Frontiers in Science Review Editor of Solid Earth Geophysics
- 2017/04 - 2020/09 日本高圧力学会 高圧力学会誌編集委員
- 2017/01 - 2020/06 Nature Publishing Group Scientific Reports Editorial Board Member
- 2018/04 - 2020/03 SPring-8ユーザー協同体(SPRUC)地球惑星科学会 副会長
Awards (7):
- 2019/11 - School of Science, Tokyo Institute of Technology Education Award for young faculty at School of Science
- 2018/07 - AIRAPT Alvin Van Valkenburg Award
- 2015/11 - 日本高圧力学会 日本高圧力学会奨励賞
- 2014/08 - International Union of Geodesy and Geophysics (IUGG) The Doornbos Memorial Prize
- 2014/08 - Tokyo Institute of Technology Award for challenging research
- 2011/12 - American Geophysical Union (AGU) Graduate student research award (Honorable mention)
- 2011/02 - Tokyo Institute of Technology Tejima Award, PhD. Thesis Award
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Association Membership(s) (2):
JAPAN GEOSCIENCE UNION
, THE JAPAN SOCIETY OF HIGH PRESSURE SCIENCE AND TECHNOLOGY
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