List of works by Tetsuya Yokoyama

Abundant presolar grains and primordial organics preserved in carbon-rich exogenous clasts in asteroid Ryugu

scientific article published on 14 July 2023

Applicability of quartz tube digestion for the determination of highly siderophile and volatile chalcophile element abundances with Os isotopic compositions using ICP-MS/MS and N-TIMS

scientific article published in 2024

Assessment of nebular versus parent body processes on presolar components present in chondrites: Evidence from osmium isotopes

article

Author Correction: Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis

scientific article published on 14 March 2023

Carbonate record of temporal change in oxygen fugacity and gaseous species in asteroid Ryugu

scientific article published on 10 July 2023

Chemical and Isotopic Evaluation of a Microsampling Method using Laser Ablation and Membrane Filter

scientific article published on 24 April 2022

Chemical evolution of ^244^Pu in the solar vicinity and its implications for the properties of r-process production ⬇️

scientific article published in January 2017

Chemical separation of Mo and W from terrestrial and extraterrestrial samples via anion exchange chromatography

scientific article published on 06 May 2014

Chemical separation of Nd from geological samples for chronological studies using (146)Sm-(142)Nd and (147)Sm-(143)Nd systematics

scientific article published on 13 August 2016

Compositional heterogeneity of Archean mantle estimated from Sr and Nd isotopic systematics of basaltic rocks from North Pole, Australia, and the Isua supracrustal belt, Greenland

scientific article published in September 2020

Contribution of Ryugu-like material to Earth’s volatile inventory by Cu and Zn isotopic analysis

scholarly article

Contributors to chromium isotope variation of meteorites

scholarly article

Evaluation of Laser Ablation in Liquid (LAL) technique as a new sampling technique for elemental and isotopic analysis using ICP-mass spectrometry

Evaluation of the coprecipitation of incompatible trace elements with fluoride during silicate rock dissolution by acid digestion

scholarly article

Geochemistry and Sm‐Nd chronology of a Stannern‐group eucrite, Northwest Africa 7188

scientific article published on 29 August 2019

Hydrogen Isotopic Composition of Hydrous Minerals in Asteroid Ryugu

scientific article published in April 2023

Low osmium solubility in silicate at high pressures and temperatures

scholarly article by Tetsuya Yokoyama et al published 30 March 2009 in Earth and Planetary Science Letters

Mantle metasomatism and rapid ascent of slab components beneath island arcs: Evidence from 238U-230Th-226Ra disequilibria of Miyakejima volcano, Izu arc, Japan

scientific article

Neodymium‐142 deficits and samarium neutron stratigraphy of C‐type asteroid (162173) Ryugu

scientific article published on 7 December 2023

Nucleosynthetic Isotope Variations of Siderophile and Chalcophile Elements in the Solar System.

scientific article

Osmium isotope anomalies in chondrites: Results for acid residues and related leachates

scholarly article by Tetsuya Yokoyama et al published March 2010 in Earth and Planetary Science Letters

Osmium isotope evidence for uniform distribution of s- and r-process components in the early solar system

scholarly article by Tetsuya Yokoyama et al published July 2007 in Earth and Planetary Science Letters

Oxygen isotopes of anhydrous primary minerals show kinship between asteroid Ryugu and comet 81P/Wild2

scholarly article

Planetary-Scale Strontium Isotopic Heterogeneity and the Age of Volatile Depletion of Early Solar System Materials ⬇️

scientific article published in the Astrophysical Journal

Presolar Stardust in Asteroid Ryugu

scholarly article

Refinement of the Micro‐Distillation Technique for Isotopic Analysis of Geological Samples with pg‐Level Osmium Contents

scientific article published on 16 April 2019

Ryugu’s nucleosynthetic heritage from the outskirts of the Solar System

scholarly article

Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites

scholarly article

Separation of thorium and uranium from silicate rock samples using two commercial extraction chromatographic resins

scientific article published on 01 January 1999

Survey of impact glasses in shergottites searching for Martian sulfate using X-ray absorption near-edge structure

scientific article published in November 2021

The Solar System calcium isotopic composition inferred from Ryugu samples

scholarly article

The naked planet Earth: Most essential pre-requisite for the origin and evolution of life

article published in 2013

Water circulation in Ryugu asteroid affected the distribution of nucleosynthetic isotope anomalies in returned sample

scientific article published on 10 November 2023

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