Mon. May 21, 2018 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Poster
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT18] Planetary cores: Structure, formation, and evolution

[SIT18-P05] Stratification of the Earth's core by SiO₂ crystallization

*George Helffrich¹, Guillaume Morard³, Kei Hirose^1,2, Satoshi Kaneshima⁴ (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.Department of Earth and Planetary Science, University of Tokyo, 3.IMPMC, Universite Pierre et Marie Curie - Paris 6, 4.Department of Earth and Planetary Sciences, University of Kyushu)

Mon. May 21, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Evening Poster
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT18] Planetary cores: Structure, formation, and evolution

[SIT18-P05] Stratification of the Earth's core by SiO₂ crystallization

*George Helffrich¹, Guillaume Morard³, Kei Hirose^1,2, Satoshi Kaneshima⁴ (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.Department of Earth and Planetary Science, University of Tokyo, 3.IMPMC, Universite Pierre et Marie Curie - Paris 6, 4.Department of Earth and Planetary Sciences, University of Kyushu)

Mon. May 21, 2018 10:45 AM - 12:15 PM A05 (Tokyo Bay Makuhari Hall)

[EE] Oral
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT20] Structure and Dynamics of Earth and Planetary Mantles

11:45 AM - 12:00 PM

[SIT20-11] Core-mantle interaction evidence from SiO₂ dispersal in Earth's lower mantle

*George Helffrich¹, Maxim Ballmer^1,2, Kei Hirose^1,3 (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.Institute of Geophysics, ETH Zurich, 3.Department of Earth and Planetary Science, University of Tokyo)

Tue. May 22, 2018 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Poster
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT22] Interaction and Coevolution of the Core and Mantle in the Earth and Planets

[SIT22-P05] Thermal conductivity and compressibility of iron and aluminum-bearing bridgmanite: implications for spin-crossover of iron

*Yoshiyuki Okuda¹, Kenji Ohta¹, Takashi Yagi², Ryosuke Sinmyo⁴, Kei Hirose^3,4, Yasuo Ohishi⁵ (1.Tokyo Institute of Technology, 2.AIST, 3.ELSI, 4.University of Tokyo, 5.JASRI)

[SIT22-P07] Lattice thermal conductivity of (Mg,Fe)O

*Akira Hasegawa¹, Kenji Ohta¹, Takashi Yagi², Kei Hirose¹, Tadashi Kondo³ (1.Tokyo Institude of Technology, 2.National Institute of Advanced Industrial Science and Technology, 3.Osaka University)

[SIT22-P15] Melting of iron to 290 gigapascals

*Ryosuke Sinmyo^1,2, Kei Hirose^1,2, Yasuo Ohishi³ (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.The University of Tokyo, 3.Japan Synchrotron Radiation Research Institute)

[SIT22-P19] **High P-T electrical resistivity measurements on iron in an internally-heated diamond anvil cell**

*Sho Suehiro¹, Kenji Ohta¹, Kei Hirose^2,3, Yasuo Ohishi⁴ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.University of Tokyo, 3.ELSI, Tokyo Institute of Technology, 4. JASRI)

Tue. May 22, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Evening Poster
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT22] Interaction and Coevolution of the Core and Mantle in the Earth and Planets

[SIT22-P05] Thermal conductivity and compressibility of iron and aluminum-bearing bridgmanite: implications for spin-crossover of iron

*Yoshiyuki Okuda¹, Kenji Ohta¹, Takashi Yagi², Ryosuke Sinmyo⁴, Kei Hirose^3,4, Yasuo Ohishi⁵ (1.Tokyo Institute of Technology, 2.AIST, 3.ELSI, 4.University of Tokyo, 5.JASRI)

[SIT22-P07] Lattice thermal conductivity of (Mg,Fe)O

*Akira Hasegawa¹, Kenji Ohta¹, Takashi Yagi², Kei Hirose¹, Tadashi Kondo³ (1.Tokyo Institude of Technology, 2.National Institute of Advanced Industrial Science and Technology, 3.Osaka University)

[SIT22-P15] Melting of iron to 290 gigapascals

*Ryosuke Sinmyo^1,2, Kei Hirose^1,2, Yasuo Ohishi³ (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.The University of Tokyo, 3.Japan Synchrotron Radiation Research Institute)

[SIT22-P19] **High P-T electrical resistivity measurements on iron in an internally-heated diamond anvil cell**

*Sho Suehiro¹, Kenji Ohta¹, Kei Hirose^2,3, Yasuo Ohishi⁴ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.University of Tokyo, 3.ELSI, Tokyo Institute of Technology, 4. JASRI)

Wed. May 23, 2018 1:45 PM - 3:15 PM International Conference Room (IC) (2F International Conference Hall, Makuhari Messe)

[EE] Oral
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT22] Interaction and Coevolution of the Core and Mantle in the Earth and Planets

2:00 PM - 2:15 PM

[SIT22-26] Melting experiments on Fe–Si–S alloys to core pressures: Silicon in the core?

*Shigehiko Tateno¹, Kei Hirose^1,2, Ryosuke Sinmyo^1,2 (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.University of Tokyo)

Thu. May 24, 2018 9:00 AM - 10:30 AM International Conference Room (IC) (2F International Conference Hall, Makuhari Messe)

[EE] Oral
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT22] Interaction and Coevolution of the Core and Mantle in the Earth and Planets

9:15 AM - 9:30 AM

[SIT22-32] Anisotropic thermal conductivity of hcp iron and the implications for the Earth’s inner core

*Kenji Ohta¹, Yu Nishihara², Yuuki Satoh¹, Kei Hirose^3,4, Takashi Yagi⁵, Saori Kawaguchi⁶, Naohisa Hirao⁶, Yasuo Ohishi⁶ (1.Department of Earth and Planetary Sciences, Tokyo Institute of Technology, 2.Geodynamics Research Center, Ehime University, 3.Earth-Life Science Institute, Tokyo Institute of Technology, 4.Department of Earth and Planetary Science, The University of Tokyo, 5.National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology, 6.Japan Synchrotron Radiation Research Institute)

Tue. May 22, 2018 9:00 AM - 10:30 AM A11 (Tokyo Bay Makuhari Hall)

[EE] Oral
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT27] Property and role of liquids inside the Earth

10:00 AM - 10:30 AM

[SIT27-04] Melting phase relations in binary and ternary iron alloys and possible compositional range for the outer core

★Invited Papers

*Kei Hirose^1,2, Koichiro Umemoto¹ (1.Earth-Life Science Institute, Tokyo Institute of Technology, 2.Dept. Earth and Planetary Science, University of Tokyo)

Tue. May 22, 2018 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Poster
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT27] Property and role of liquids inside the Earth

[SIT27-P01] Sound velocity measurements on liquid Fe-P alloy under high pressure

*Daisuke Kinoshita¹, Yoichi Nakajima^1,4, Shotaro Kosugi¹, Yasuhiro Kuwayama², Kei Hirose², Daisuke Ishikawa³, Alfred Q.R. Baron⁴ (1.Kumamoto Univ., 2.Tokyo Univ., 3.JASRI, 4.RIKEN SPring-8 Center)

[SIT27-P03] Sound velocity of liquid Fe under high pressure

*Yoichi Nakajima^1,2, Yasuhiro Kuwayama³, Kei Hirose^3,4, Daisuke Ishikawa⁵, Alfred Q.R. Baron² (1.Kumamoto University, Priority Organization for Innovation and Excellence, 2.Materials Dynamics Laboratory, RIKEN SPring-8 Center, 3.Department of Earth and Planetary Science, Tokyo University, 4.Earth-Life Science Institute, Tokyo Institute of Technology, 5.Japan Synchrotron Radiation Research Institute)

Tue. May 22, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Evening Poster
| S (Solid Earth Sciences)
| S-IT Science of the Earth's Interior & Tectonophysics

[S-IT27] Property and role of liquids inside the Earth

[SIT27-P01] Sound velocity measurements on liquid Fe-P alloy under high pressure

*Daisuke Kinoshita¹, Yoichi Nakajima^1,4, Shotaro Kosugi¹, Yasuhiro Kuwayama², Kei Hirose², Daisuke Ishikawa³, Alfred Q.R. Baron⁴ (1.Kumamoto Univ., 2.Tokyo Univ., 3.JASRI, 4.RIKEN SPring-8 Center)

[SIT27-P03] Sound velocity of liquid Fe under high pressure

*Yoichi Nakajima^1,2, Yasuhiro Kuwayama³, Kei Hirose^3,4, Daisuke Ishikawa⁵, Alfred Q.R. Baron² (1.Kumamoto University, Priority Organization for Innovation and Excellence, 2.Materials Dynamics Laboratory, RIKEN SPring-8 Center, 3.Department of Earth and Planetary Science, Tokyo University, 4.Earth-Life Science Institute, Tokyo Institute of Technology, 5.Japan Synchrotron Radiation Research Institute)

Thu. May 24, 2018 1:45 PM - 3:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| S (Solid Earth Sciences)
| S-MP Mineralogy & Petrology

[S-MP38] Physics and Chemistry of Minerals

[SMP38-P04] Melting experiments on the MgSiO₃-SiO₂ system to deep lower mantle pressures

*Miyuki Anzai¹, Keisuke Ozawa¹, Kei Hirose^1,2, Ryosuke Sinmyo¹, Shigehiko Tateno² (1.The University of Tokyo, 2.ELSI, Tokyo Tech)

Thu. May 24, 2018 3:30 PM - 5:00 PM A02 (Tokyo Bay Makuhari Hall)

[JJ] Oral
| S (Solid Earth Sciences)
| S-MP Mineralogy & Petrology

[S-MP38] Physics and Chemistry of Minerals

3:30 PM - 3:45 PM

[SMP38-13] Stability of Mg(OH)₂ brucite at high pressure and high temperature

*Koki Masuda¹, Izumi Mashino¹, Kei Hirose^1,2 (1.The University of Tokyo, 2.Earth-Life Science Institute, Tokyo Institute of Technology)

4:30 PM - 4:45 PM

[SMP38-17] Melting experiments on the MgO–MgSiO₃ system to lowermost mantle pressures

*Keisuke Ozawa¹, Miyuki Anzai¹, Kei Hirose¹, Ryosuke Sinmyo¹, Shigehiko Tateno² (1. Department of Earth and Planetary Science, The University of Tokyo, 2.Earth-Life Science Institute, Tokyo Institute of Technology)

4:45 PM - 5:00 PM

[SMP38-18] Melting experiments on Fe-O-S alloys to core pressures

*Shunpei Yokoo¹, Kei Hirose^1,2, Ryosuke Sinmyo¹ (1.The University of Tokyo, 2.Earth-Life Science Institute, Tokyo Institute of Technology)

Thu. May 24, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| S (Solid Earth Sciences)
| S-MP Mineralogy & Petrology

[S-MP38] Physics and Chemistry of Minerals

[SMP38-P04] Melting experiments on the MgSiO₃-SiO₂ system to deep lower mantle pressures

*Miyuki Anzai¹, Keisuke Ozawa¹, Kei Hirose^1,2, Ryosuke Sinmyo¹, Shigehiko Tateno² (1.The University of Tokyo, 2.ELSI, Tokyo Tech)

Kei Hirose

Speaker, Author, Co-Author

★Invited Papers