"Tetsuya Yokoyama,Ryota Fukai,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",,"Vol. 44","No. 2","pp. 265-285",2020,June
"Ryota Fukai,Tetsuya Yokoyama","Assessment of the secondary instrumental fractionation in TIMS: Implication for high-precision Nd isotope analysis of geological samples",,"GEOCHEMICAL JOURNAL",,,,,2019,Oct.
"Tetsuya Yokoyama,Yuichiro Nagai,Ryota Fukai,TAKAFUMI HIRATA","Origin and Evolution of Distinct Molybdenum Isotopic Variabilities within Carbonaceous and Noncarbonaceous Reservoirs",,"The Astrophysical Journal",,,,,2019,Sept.
"Ryota Fukai,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",,,,,2019,July
"Ryota Fukai","Nucleosynthetic Sr and Nd isotope heterogeneities in the early Solar System",,,,,,,2019,Mar.
"Ryota Fukai","Nucleosynthetic Sr and Nd isotope heterogeneities in the early Solar System",,,,,,,2019,Mar.
"Ryota Fukai","Nucleosynthetic Sr and Nd isotope heterogeneities in the early Solar System",,,,,,,2019,Mar.
"Ryota Fukai,Tetsuya Yokoyama","Neodymium isotope heterogeneity of ordinary and carbonaceous chondrites and the origin of non-chondritic Nd-142 compositions in the Earth",,"Earth and Planetary Science Letters",,"Vol. 474",,"pp. 206-214",2017,June
"Ryota Fukai,Tetsuya Yokoyama,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",,"Vol. 414",,"pp. 1-7",2017,Jan.