Faculty Profiles - TERASAKI Hidenori

MISC - TERASAKI Hidenori

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高温高圧下におけるFeSiおよびFeS合金の水素化 Reviewed

寺崎英紀, 柴崎裕樹

高圧力の科学と技術 21 197 - 205 2011

Phase and melting relationships in the Fe-S system under high pressures: Application to the temperature profile in the core

Seiji Kamada, Hidenori Terasaki, Eiji Ohtani, Takeshi Sakai

Review of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu 21 ( 2 ) 77 - 83 2011

Language：English Publishing type：Book review, literature introduction, etc.

The Earth's core has been considered to contain light elements, and sulfur, in particular, is one of the most plausible light elements. Knowledge of the melting relationships of the iron-sulfide system is thus essential in understanding of the physical and chemical properties of the core. In situ X-ray diffraction experiments in the Fe-Fe3S system were performed up to 220 GPa and 3300 K using a laser-heated diamond anvil cell. Hcp Fe and Fe3S coexisted stably up to 220 GPa and 3300 K. Both phases are therefore candidates of the constitution of the inner core. The solid iron (hcp Fe) contained 7.5 at% of sulfur at 126 GPa and 2370 K. This suggests that the inner core might be able to contain significant amount of sulfur. Our results revealed that the eutectic composition becomes nonsensitive to pressure. This is likely that the eutectic composition becomes to be constant around 20 at% of sulfur at pressures above 40 GPa.

DOI： 10.4131/jshpreview.21.77

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Inner structure of Mercury's mantle

ISHII Miho, OHTANI Eiji, TERASAKI Hidenori, LITASOV Konstantin

51 306 - 306 2010.10

3-D distribution of Fe-Ni-S melts under high pressure and temperature

TERASAKI Hidenori, URAKAWA Satoru, NAKATSUKA Asumi, FUNAKOSHI Ken-ichi, UESUGI Kentaro, OHTANI Eiji

51 300 - 300 2010.10

Phase relation of C-Mg-Fe-Si-O system by in situ X-ray high pressure and high temperature experiment

TAKAHASHI Suguru, OHTANI Eiji, TERASAKI Hidenori, ITO Yoshinori, SHIBAZAKI Yuki, ISHII Miho, HUNAKOSHI Ken-ichi, HIGO Yuji

51 36 - 36 2010.10

Density and structure of molten iron under pressure

URAKAWA Satoru, NAKATSUKA Asumi, TERASAKI Hidenori, NISHIDA Keisuke, TATEYAMA Ryuji, OHTANI Eiji, KATAYAMA Yoshinori

51 32 - 32 2010.10

In-situ X-ray studies of the melting temperature of FeS-H system : Implications for the core of Ganymede

SHIBAZAKI Yuki, OHTANI Eiji, TERASAKI Hidenori, TATEYAMA Ryuji, SAKAMAKI Tatsuya, TSUCHIYA Taku, FUNAKOSHI Ken-ichi, HIGO Yuji

51 106 - 106 2010.10

Hydrogen solubility into FeSi under high pressure

TERASAKI Hidenori, SHIBAZAKI Yuki, SAKAMAKI Tatsuya, TATEYAMA Ryuji, OHTANI Eiji, FUNAKOSHI Ken-ichi, HIGO Yuji

51 45 - 45 2010.10

地球外核条件までのFe‐FeS系,(Fe,Ni)‐(Fe,Ni)S系の融解関係

鎌田誠司, 大谷栄治, 寺崎英紀, 境毅, 平尾直久, 大石泰生

高圧討論会講演要旨集 51st 224 2010.10

放射光その場観察浮沈法によるFe‐Si融体の密度測定

立山隆二, 大谷栄治, 西田圭佑, 鈴木昭夫, 寺崎英紀, 柴崎裕樹, 亀卦川卓美

高圧討論会講演要旨集 51st 304 2010.10

放射光その場観察浮沈法によるFe‐S融体の密度測定

西田圭佑, 大谷栄治, 鈴木昭夫, 立山隆二, 柴崎裕樹, 寺崎英紀, 亀卦川卓美

高圧討論会講演要旨集 51st 103 2010.10

On the quality of LaCrO_3 heating elements S2 and S6 by Nikkato CO.

TAKAHSHI Eiichi, TSUJINO Noriyoshi, TERASAKI Hidenori, LITASOV Konstantin, OHTANI Eiji, SHINMEI Toru, NISHIYAMA Norimasa, IRIFUNE Tetsuo, SUZUKI Toshihiro

高圧討論会講演集 51 2010.10