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J-GLOBAL ID：202002286683659614   Reference number：20A1436230

Silicon-Depleted Present-Day Earth’s Outer Core Revealed by Sound Velocity Measurements of Liquid Fe-Si Alloy

液体Fe-Si合金の音速測定により明らかにしたシリコン欠乏現在の地球外核【JST・京大機械翻訳】

Author (16)： Nakajima Yoichi (Department of Physics, Kumamoto University, Kumamoto, Japan) ,  Nakajima Yoichi (Materials Dynamics Laboratory, RIKEN SPring-8 Center, Hyogo, Japan) ,  Kawaguchi Saori I. (Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo, Japan) ,  Kawaguchi Saori I. (Japan Synchrotron Radiation Research Institute (JASRI), Hyogo, Japan) ,  Hirose Kei (Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo, Japan) ,  Hirose Kei (Department of Earth and Planetary Science, The University of Tokyo, Tokyo, Japan) ,  Tateno Shigehiko (Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo, Japan) ,  Tateno Shigehiko (Institute for Study of the Earth’s Interior, Okayama University, Tottori, Japan) ,  Kuwayama Yasuhiro (Department of Earth and Planetary Science, The University of Tokyo, Tokyo, Japan) ,  Kuwayama Yasuhiro (Geodynamics Research Center, Ehime University, Ehime, Japan) ,  Sinmyo Ryosuke (Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo, Japan) ,  Sinmyo Ryosuke (Department of Earth and Planetary Science, The University of Tokyo, Tokyo, Japan) ,  Ozawa Haruka (Institute for Study of the Earth’s Interior, Okayama University, Tottori, Japan) ,  Tsutsui Satoshi (Japan Synchrotron Radiation Research Institute (JASRI), Hyogo, Japan) ,  Uchiyama Hiroshi (Japan Synchrotron Radiation Research Institute (JASRI), Hyogo, Japan) ,  Baron Alfred Q. R. (Materials Dynamics Laboratory, RIKEN SPring-8 Center, Hyogo, Japan)
Material： Journal of Geophysical Research: Solid Earth  (J Geophys Res Solid Earth)
Volume： 125  Issue： 6  Page： e2020JB019399  Publication year： 2020 
JST Material Number： W2388A  ISSN： 2169-9313  CODEN： JGREA2  Document type： Article
Article type： 原著論文  Country of issue： United States (USA)  Language： ENGLISH (EN)

Abstract/Point： Here we determined the P wave ...

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Thesaurus term： *sound velocity ,  crystallization ,  high pressure ,  *alloy ,  oxidation ,  equation of state ,  segregation(concentration distribution) ,  silicate ,  mantle ,  extrapolation method ,  *silicon ,  *earth(the globe) ,  magnesium oxide ,  laser heating ,  chondrite

Author keywords (4)： Outer core ,  Light element ,  Sound velocity ,  High pressure

JST classification (1)： Lower mantle and earth core: their structure and composition  (DC03100N)

Terms in the title (7)： Fe ,  Si合金 ,  音速測定 ,  シリコン ,  欠乏 ,  地球 ,  外核