[1] Ryota Fukai, Tetsuya Yokoyama and Saya Kagami

Evaluation of the long-term fluctuation in isotope ratios measured by TIMS with the static, dynamic, and multistatic methods: A case study for Nd isotope measurements.
International Journal of Mass Spectrometry, 414, 1-7, 2017.

[2] Ryota Fukai and Tetsuya Yokoyama

Neodymium isotope heterogeneity of ordinary and carbonaceous chondrites and the origin of non-chondritic 142Nd compositions in the Earth.
Earth and Planetary Science Letters, 474, 206-214, 2017.

[3] Ryota Fukai and Tetsuya Yokoyama

Nucleosynthetic Sr-Nd isotope correlations in chondrites: Evidence for nebular thermal processing and dust transportation in the early Solar System.
The Astrophysical Journal, 879 (79), 2019.

[4] Ryota Fukai and Tetsuya Yokoyama

Assessment of the secondary instrumental fractionation in TIMS: Implication for high-precision Nd isotope analysis of geological samples.
Geochemical Journal, 53, 333-337, 2019.

[5] Tetsuya Yokoyama, Yuichiro Nagai, Ryota Fukai, and Takafumi Hirata

Origin and evolution of distinct Mo isotopic variabilities within carbonaceous and non-carbonaceous reservoirs.
The Astrophysical Journal, 883 (62), 2019.

[6] Ryota Fukai and Tetsuya Yokoyama

Heterogeneous distribution of presolar grains in the early solar system.
JPS Conference Proceedings, 31 (011017), 1-4, 2020.

[7] Tetsuya Yokoyama, Ryota Fukai, and Masaki Nakahara

Separation of heavy lanthanoids by flash column chromatography for precise determination of Er and Yb isotope compositions in rock samples.
Geostandards and Geoanalytical Research, 44 (2), 265-285, 2020.

[8] Ryota Fukai and Sota Arakawa

Assessment of Cr isotopic heterogeneities of volatile-rich asteroids based on multiple planet formation models.
The Astrophysical Journal, 908 (64), 2021.


[1] Ryota Fukai

Nucleosynthetic isotopic dichotomy and evolution of the early solar system.
Yuseijin (in Japanese), 29 (1), 14-21, 2020.


[1] Ryota Fukai

New face
Yuseijin (in Japanese), 29 (1), 54-55, 2020.

[2] Ryota Fukai

Yuseijin (in Japanese), 29 (2), 97, 2020.

[3] Ryota Fukai

博士論文抄録: Nucleosynthetic Sr and Nd isotope heterogeneities in the early Solar System
Geochemistry (in Japanese), 54 (2), 97–98, 2020.


[1] JPS Conference Proceedings, 2019.

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