TY - JOUR
T1 - Sequential analysis of carbonaceous materials in Hayabusa-returned samples for the determination of their origin Science of solar system materials examined from Hayabusa and future missions
AU - Uesugi, Masayuki
AU - Naraoka, Hiroshi
AU - Ito, Motoo
AU - Yabuta, Hikaru
AU - Kitajima, Fumio
AU - Takano, Yoshinori
AU - Mita, Hajime
AU - Ohnishi, Ichiro
AU - Kebukawa, Yoko
AU - Yada, Toru
AU - Karouji, Yuzuru
AU - Ishibashi, Yukihiro
AU - Okada, Takaaki
AU - Abe, Masanao
N1 - Funding Information:
The authors gratefully acknowledge the reviews by two anonymous reviewers. TEM analyses were performed at JEOL Ltd. XANES analysis was conducted in UVSOR Facility in Institute for Molecular Science, supported by Nanotechnology Platform Program (Molecule and Material Synthesis) of the Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan.
Publisher Copyright:
© 2014 Uesugi et al.; licensee Springer.
PY - 2014/12
Y1 - 2014/12
N2 - Preliminary results of the analyses of five carbonaceous materials (particle size of approximately 50 μm) from the Hayabusa spacecraft sample catcher, including their texture, chemistry, and chemical/isotopic compositions, are summarized. The carbonaceous particles underwent sequential analysis using a series of microanalytical instruments located at several research institutes and universities. Collected particles were initially classified into four categories: two categories containing extraterrestrial silicate particles, one category containing metal and quartz particles consistent with contamination from the sample catcher or sample manipulation tools, and a final category containing carbonaceous particles. Analysis of this final category was the main focus of this study. Through examination of the carbonaceous materials, the appropriate analytical processes for sample transportation and handling were optimized to minimize sample damage and terrestrial contamination. Particles were investigated by transmission electron microscopy/scanning transmission electron microscopy, and Ca-carbonate inclusions were found in one particle. In a different particle, a heterogeneous distribution of silicon in a uniform C, N, and O matrix was found. Though further analysis is required for a strict determination of particle origin, the differences in the microstructure and elemental distribution of the carbonaceous particles suggest multiple origins.
AB - Preliminary results of the analyses of five carbonaceous materials (particle size of approximately 50 μm) from the Hayabusa spacecraft sample catcher, including their texture, chemistry, and chemical/isotopic compositions, are summarized. The carbonaceous particles underwent sequential analysis using a series of microanalytical instruments located at several research institutes and universities. Collected particles were initially classified into four categories: two categories containing extraterrestrial silicate particles, one category containing metal and quartz particles consistent with contamination from the sample catcher or sample manipulation tools, and a final category containing carbonaceous particles. Analysis of this final category was the main focus of this study. Through examination of the carbonaceous materials, the appropriate analytical processes for sample transportation and handling were optimized to minimize sample damage and terrestrial contamination. Particles were investigated by transmission electron microscopy/scanning transmission electron microscopy, and Ca-carbonate inclusions were found in one particle. In a different particle, a heterogeneous distribution of silicon in a uniform C, N, and O matrix was found. Though further analysis is required for a strict determination of particle origin, the differences in the microstructure and elemental distribution of the carbonaceous particles suggest multiple origins.
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U2 - 10.1186/1880-5981-66-102
DO - 10.1186/1880-5981-66-102
M3 - Article
AN - SCOPUS:84919392111
VL - 66
JO - Earth, Planets and Space
JF - Earth, Planets and Space
SN - 1343-8832
IS - 1
M1 - 102
ER -