研究者詳細 - 寺﨑　英紀

論文 - 寺﨑　英紀

分割表示 148 件中 1 - 20 件目／全件表示 >>

Development of density measurement at high pressure and high temperature using the x-ray absorption method combined with laser-heated diamond anvil cell 査読

Hidenori Terasaki, Hiroyuki Kamina, Saori I. Kawaguchi, Tadashi Kondo, Ko Morioka, Ryo Tsuruoka, Moe Sakurai, Akira Yoneda, Seiji Kamada, Naohisa Hirao

Review of Scientific Instruments 96 ( 3 ) 033907 2025年3月

The extent of liquid immiscibility in planetesimal cores 査読

G.D. Bromiley, M. Varnam, H. Terasaki, T. Komabayashi, J. Barosch

Geochemical Perspectives Letters 33 7 - 12 2024年11月

Wetting property of Fe–S melt in solid core: Implication for the core crystallization process in planetesimals 査読国際誌

Shiori Matsubara, Hidenori Terasaki, Takashi Yoshino, Satoru Urakawa, Daisuke Yumitori

Meteoritics and Planetary Science 2024年3月

Deuterium Content and Site Occupancy in Iron Sulfide at High Pressure and Temperature Determined Using In Situ Neutron Diffraction Measurements 査読国際共著国際誌

Sumith Abeykoon, Christopher Howard, Serena Dominijanni, Lisa Eberhard, Alexander Kurnosov, Daniel J. Frost, Tiziana Boffa Ballaran, Hidenori Terasaki, Tatsuya Sakamaki, Akio Suzuki, Eiji Ohtani, Asami Sano‐Furukawa, Jun Abe

Journal of Geophysical Research: Solid Earth 128 ( 9 ) 2023年9月

Density Measurements of Fe-Ni-S Liquids at High Pressure 査読

SPring-8/SACLA利用研究成果集 11 218 - 220 2023年8月

Sound velocity and elastic properties of Fe–Ni–S–Si liquid: the effects of pressure and multiple light elements 査読国際誌

Iori Yamada, Hidenori Terasaki, Satoru Urakawa, Tadashi Kondo, Akihiko Machida, Yoshinori Tange, Yuji Higo

Physics and Chemistry of Minerals 50 ( 3 ) 2023年7月

Density and elastic properties of liquid gallium up to 10 GPa using X-ray absorption method combined with externally heated diamond anvil cell 査読国際誌

Ryo Tsuruoka, Hidenori Terasaki, Seiji Kamada, Fumiya Maeda, Tadashi Kondo, Naohisa Hirao, Saori I. Kawaguchi, Iori Yamada, Satoru Urakawa, Akihiko Machida

High Pressure Research 41 ( 4 ) 379 - 391 2021年10月

In situ observation of the Rayleigh–Taylor instability of liquid Fe and Fe–Si alloys under extreme conditions: Implications for planetary core formation 査読国際誌

Hidenori Terasaki, Tatsuhiro Sakaiya, Keisuke Shigemori, Kosaku Akimoto, Hiroki Kato, Yoichiro Hironaka, Tadashi Kondo

Matter and Radiation at Extremes 6 ( 5 ) 054403 - 054403 2021年9月

Precise determination of the effect of temperature on the density of solid and liquid iron, nickel, and tin 査読国際誌

Asaka Kamiya, Hidenori Terasaki, Tadashi Kondo

American Mineralogist 106 ( 7 ) 1077 - 1082 2021年7月

Thermocapillary effects in two-phase medium and applications to metal-silicate separation 査読国際共著国際誌

Yanick Ricard, Stéphane Labrosse, Hidenori Terasaki, David Bercovici

Physics of the Earth and Planetary Interiors 311 106640 - 106640 2021年2月

Effect of sulfur on sound velocity of liquid iron under Martian core conditions 査読国際誌

Keisuke Nishida, Yuki Shibazaki, Hidenori Terasaki, Yuji Higo, Akio Suzuki, Nobumasa Funamori, Kei Hirose

Nature Communications 11 ( 1 ) 2020年12月

Surface structure on diamond foils generated by spatially nonuniform laser irradiation 査読国際誌

Hiroki Kato, Hideo Nagatomo, Mitsuo Nakai, Tatsuhiro Sakaiya, Hidenori Terasaki, Tadashi Kondo, Yoichiro Hironaka, Katsuya Shimizu, Keisuke Shigemori

Scientific Reports 10 ( 1 ) 2020年12月

地球型惑星核の物性と組成査読

寺崎英紀

高圧力の科学と技術 30 ( 2 ) 111 - 117 2020年

Pressure and composition effects on sound velocity and density of core-forming liquids: Implication to core compositions of terrestrial planets 査読国際共著

H. Terasaki, A. Rivoldini, Y. Shimoyama, K. Nishida, S. Urakawa, M. Maki, F. Kurokawa, Y. Takubo, Y. Shibazaki, T. Sakamaki, A. Machida, Y. Higo, K. Uesugi, A. Takeuchi, T. Watanuki, T. Kondo

Journal of Geophysical Research: Planets 124 2272 - 2293 2019年9月

Interstitial hydrogen atoms in face-centered cubic iron in the Earth's core 査読

Ikuta Daijo, Ohtani Eiji, Sano-Furukawa Asami, Shibazaki Yuki, Terasaki Hidenori, Yuan Liang, Hattori Takanori

SCIENTIFIC REPORTS 9 ( 1 ) 2019年5月

Sound velocity and density of liquid Ni68S32 under pressure using ultrasonic and X-ray absorption with tomography methods 査読

Terasaki Hidenori, Nishida Keisuke, Urakawa Satoru, Takubo Yusaku, Kuwabara Soma, Shimoyama Yuta, Uesugi Kentaro, Kono Yoshio, Takeuchi Akihisa, Suzuki Yoshio, Higo Yuji, Kondo Tadashi

COMPTES RENDUS GEOSCIENCE 351 ( 2-3 ) 163 - 170 2019年2月

Measurements of Rayleigh–Taylor instability growth of laser-shocked iron–silicon alloy 査読

Tatsuhiro Sakaiya, Hidenori Terasaki, Kosaku Akimoto, Hiroki Kato, Taichi Ueda, Ryota Hosogi, Takashi Fujikawa, Tadashi Kondo, Yoichiro Hironaka, Keisuke Shigemori

High Pressure Research 39 ( 1 ) 150 - 159 2019年1月

掲載種別：研究論文（学術雑誌）

© 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group. The Rayleigh–Taylor (RT) instability of liquid iron alloys is important for understanding the core formation mechanism in the Earth. Here we first report the measurement of RT instability growth for a liquid iron–silicon (Fe–Si) alloy, which is one of the major candidate for the material of the Earth’s core, using a high power laser. We optimized the measurement setup and analytical technique to observe the growth of perturbation on an Fe–Si sample surface. The growth of perturbation amplitude on the Fe–Si alloy under high pressure and temperature was successfully observed using in situ X-ray radiography. The growth rate of the RT instability for the Fe–Si alloy on about 1000 GPa was estimated to be 0.3 ns −1 .

DOI： 10.1080/08957959.2019.1575966

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Density and elasticity measurements for liquid materials

Hidenori Terasaki, Keisuke Nishida

Magmas Under Pressure: Advances in High-Pressure Experiments on Structure and Properties of Melts 237 - 260 2018年1月

記述言語：英語掲載種別：論文集(書籍)内論文出版者・発行元：Elsevier

Density and elastic properties (such as bulk modulus) of liquid materials under pressure are important to understand the behavior and distribution of magma in the Earth’s interior. The magma behavior is also closely related to mantle differentiation in the early Earth. In this chapter, the currently proposed density, sound velocity, and elasticity measurements for noncrystalline materials at high pressure are reviewed and the advantages and potential problems of these methods are discussed.

DOI： 10.1016/B978-0-12-811301-1.00009-5

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Variations of lattice constants and thermal expansion coefficients of indium at high pressure and high temperature 査読

Takubo Yusaku, Terasaki Hidenori, Kondo Tadashi, Mitai Shingo, Kamada Seiji, Kikegawa Takumi, Machida Akihiko

HIGH PRESSURE RESEARCH 38 ( 4 ) 406 - 413 2018年

Development of density measurement for metals at high pressures and high temperatures using X-ray absorption imaging combined with externally heated diamond anvil cell 査読

Yusaku Takubo, Hidenori Terasaki, Tadashi Kondo, Shingo Mitai, Seiji Kamada, Takumi Kikegawa, Akihiko Machida

Comptes Rendus - Geoscience 351 ( 2-3 ) 182 - 189 2018年

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Elsevier Masson SAS

A technique for density measurement under high pressure and high temperature was developed using the X-ray absorption imaging method combined with an externally heated diamond anvil cell. The densities of solid and liquid In were measured in the pressure and temperature ranges of 3.2–18.6 GPa and 294–719 K. The densities obtained through the X-ray absorption imaging method were in good agreement (less than 2.0% difference) with those obtained through X-ray diffraction. Based on the measured density, the isothermal bulk modulus of solid In is determined as 48.0 ± 1.1−40.9 ± 0.8 GPa at 500 K, assuming K′ = 4 to 6. The compression curve of liquid In approaches that of solid In at higher pressures and does not cross over the solid compression curve in the measurement range. The present technique enables us to determine the densities of both solids and liquids precisely in a wide pressure and temperature range.

DOI： 10.1016/j.crte.2018.04.002

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