Ryosuke Sakurai

(櫻井亮輔)

Profile Information

Affiliation: Researcher, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency

Degree: Ph.D.(Sep, 2024, The University of Tokyo)

Researcher number: 91017631
ORCID ID: https://orcid.org/0000-0002-8337-5021
J-GLOBAL ID: 202501008906082741
researchmap Member ID: R000086165

Research Interests

Research Areas

Research History

Oct, 2024 - Present

Researcher, Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency
May, 2024 - Sep, 2024

Research Assistant, Graduate School of Science, The University of Tokyo
Apr, 2021 - Mar, 2024

JSPS Research Fellowship (DC1), Graduate School of Science, The University of Tokyo

Education

Apr, 2021 - Sep, 2024

Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo
Apr, 2019 - Mar, 2021

Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo
Apr, 2015 - Mar, 2019

Division of Earth and Planetary Materials Sciences, Faculty of Science, Tohoku University

Awards

Sep, 2025

JAXA President Award, Japan Aerospace Exploration Agency
Jul, 2025

The Elsevier Travel Award, The Meteoritical Society
May, 2025

VSJ Best Student Paper Award, The Volcanological Society of Japan
May, 2024

Outstanding Student Presentation Award, Japan Geoscience Union (Space and Planetary Science Section)
Sep, 2019

Outstanding Student Oral Presentation Award, The Volcanological Society of Japan

Major Papers

Vapor-phase crystallization from a hydrous silicate melt: an experimental simulation of diktytaxitic texture

Ryosuke Sakurai, Michihiko Nakamura, Satoshi Okumura, Mayumi Mujin, Takayuki Nakatani

Contributions to Mineralogy and Petrology, 179(3), Mar 6, 2024 Peer-reviewed

Presentations

Returned samples curation in JAXA: Hayabusa, Hayabusa2, OSIRIS-REx, and up-coming future missions

T. Yada, R. Fukai, M. Nishimura, K. Hatakeda, K. Sakamoto, H. Sugahara, R. Tahara, T. Ojima, T. Ishizaki, K. Yogata, K. Nagashima, R. Kanemaru, A. Nakano, Y. Enokido, R. Sakurai, S. Kawasaki, H. Soejima, Y.Hitomi, K. Kumagai, R. Shimonishi, A. Miyazaki, A. Nakata, K. Tamanoi, Y. Shimauchi, Y. Miura, T.Okada, M. Abe, S. Tachibana, T. Usui

87th Annual Meeting of the Meteoritical Society, Jul, 2025
Characteristics of Bennu individual samples based on NIR–MIR spectroscopy with FT-IR in JAXA

Y. Enokido, K. Hatakeda, A. Miyazaki, K. Yogata, M. Nishimura, R. Fukai, T. Yada, S. Kawasaki, K. Nagashima, R. Sakurai, R. Tahara, A. Nakano, T. Ojima, Y. Hitomi, M. Abe, T. Okada, T. Usui

87th Annual Meeting of the Meteoritical Society, Jul, 2025
3D shape of the sample returned from Bennu and a comparison with Ryugu

R. Sakurai, R. Fukai, M. Nishimura, A. Miyazaki, K. Hatakeda, T. Yada, K. Yogata, R. Tahara, K.Nagashima, A. Nakano, Y. Enokido, S. Kawasaki, Y. Hitomi, M. Abe, T. Usui

87th Annual Meeting of the Meteoritical Society, Jul, 2025
Experimental simulation of diktytaxitic groundmass formation

Ryosuke Sakurai, Michihiko Nakamura, Satoshi Okumura, Mayumi Mujin, Takayuki Nakatani

International Association of Volcanology and Chemistry of the Earth's Interior, Jul, 2025
低圧H2-H2O混合ガス中での炭化ケイ素蒸発実験: 原始太陽系円盤でのダストの熱履歴への示唆

山本大貴, 瀧川晶, 石﨑梨理, 櫻井亮輔, 井上裕貴, 山本順司, 荒川創太, 橘省吾

日本地球惑星科学連合2025年大会, May, 2025
小惑星Bennu帰還粒子のバルク密度および形状の定量評価

櫻井亮輔, 宮﨑明子, 畠田健太, 矢田達, 西村征洋, 与賀田佳澄, 田原瑠衣, 長島加奈, 中野有紗, 榎戸祐馬, 川﨑盛矢, 人見勇矢, 深井稜汰, 安部正真, 臼井寛裕

日本地球惑星科学連合2025年大会, May, 2025
低圧環境下での室内実験から探る原始太陽系円盤でのケイ酸塩ダスト酸素同位体進化

山本大貴, 川﨑教行, 橘省吾, 石﨑梨理, 櫻井亮輔, 圦本尚義

日本地球化学会第71回年会, Sep, 2024
FeOを含む非晶質ケイ酸塩の水蒸気との酸素同位体交換の速度論

櫻井亮輔, 山本大貴, 川崎教行, 奥村大河, 橘省吾, 圦本尚義

日本地球惑星科学連合2024年大会, May, 2024
Oxygen isotope exchange kinetics of FeO-bearing amorphous silicate with H2O vapor

Sakurai R., Yamamoto D., Kawasaki N., Okumura T., Tachibana S., Yurimoto H.

Solar-System symposium in Sapporo 2024, Feb, 2024
太陽系物質の酸素同位体進化における、非晶質ケイ酸塩-CO間の酸素同位体交換反応の役割

山本大貴, 川崎教行, 橘省吾, 石崎梨理, 櫻井亮輔, 圦本尚義

日本地球化学会第70回年会, Sep, 2023
原始惑星系円盤における FeO を含む非晶質ケイ酸塩と水蒸気との酸素同位体交換

櫻井亮輔, 山本大貴, 川崎教行, 橘省吾, 圦本尚義

日本地球惑星科学連合2023年大会, Jun, 2023
Crystallization kinetics of amorphous ferromagnesian silicate with olivine-like composition

Sakurai R., Yamamoto D., Takigawa A., Tachibana S.

54th Lunar and Planetary Science Conference, May, 2023
Kinetic study on crystallization of FeO-bearing amorphous silicate in protoplanetary disks

Sakurai R., Yamamoto D., Takigawa A., Tachibana S.

Solar-System symposium in Sapporo 2023, Feb, 2023
十和田火山御倉山溶岩ドームディクティタキシティック組織部の浸透率

中村美千彦, 櫻井亮輔, 関谷夏子

日本地球惑星科学連合2022年大会, May, 2022
非晶質Mg-Feケイ酸塩ダストの結晶化：初期太陽系における熱過程への応用

櫻井亮輔, 小林航大, 山本大貴, 橘省吾, 瀧川晶

日本地球惑星科学連合2021年大会, Jun, 2021
Crystallization of amorphous Mg-Fe silicate with olivine stoichiometry in protoplanetary disks

Sakurai R., Kobayashi K., Yamamoto D., Tachibana S.

Japan Geoscience Union-American Geophysical Union Joint Meeting 2020, Jul, 2020
Crystallization of ferromagnesian amorphous silicate nanoparticles with olivine-like stoichiometry synthesized with thermal plasma method

Sakurai R., Kobayashi K., Yamamoto D., Tachibana S.

51st Lunar and Planetary Science Conference, May, 2020
Synthesis and crystallization of Fe-Mg-silicate dust analogues with pyroxene composition

Kobayashi K., Sakurai R., Yamamoto D., Tachibana S.

Solar-System symposium in Sapporo 2020, Feb, 2020
Synthesis and crystallization of olivine-like amorphous Fe-Mg-silicate dust analogues

Sakurai R., Kobayashi K., Yamamoto D., Tachibana S.

Solar-System symposium in Sapporo 2020, Feb, 2020
マグマ中のメルトの蒸発凝縮作用におけるハロゲンの効果

櫻井亮輔, 中村美千彦, 奥村聡

日本火山学会2019年度秋季大会, Sep, 2019
Vapor transport in shallow magmas: insights from diktytaxitic texture

Sakurai R., Nakamura M., Okumura S., Mujin M., Nakatani T.

Japan Geoscience Union Meeting 2019, May, 2019
ピロタキシティック組織の再現実験

櫻井亮輔, 中村美千彦, 奥村聡, 無盡真弓, 中谷貴之

日本火山学会2018年度秋季大会, Sep, 2018

Professional Memberships

2025 - Present

The Geochemical Spciety of Japan
2025 - Present

The Meteoritical Society
2018 - Present

The Volcanological Society of Japan
2018 - Present

Japan Geoscience Union

Major Research Projects

Ryugu・Bennu帰還試料の3D形状と表面組織から迫る炭素質小惑星進化の多様性

科学研究費助成事業, 日本学術振興会, Jul, 2025 - Mar, 2027

櫻井亮輔
Research on the fractionation process of moderately volatile elements in the early Solar System based on iron sulfide formation experiments

Grants-in-Aid for Scientific Research, Japan Society for the Promotion of Science, Mar, 2023 - Mar, 2024

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