Prof. Hirose received Robert Wilhelm Bunsen Medal

Prof. Hirose received Robert Wilhelm Bunsen Medal from The European Geosciences Union (EGU).

This medal was established in recognition of the scientific acchievement of Robert Wilherm Bunsen. It is awareded to significant research in geochemistry, mineralogy, petrology, and volcanology.

EGU2024 awards and medals:

Robert Wilhelm Bunsen Medal:

We will attend AGU23!

AGU23 will be held in San Francisco, U.S.A., from December 11 to 15.
Eight members from Hirose lab will participate and make talks and posters.

The following is the presentation by Hirose Lab.

Monday, 11 December
DI13A-04: 14:42 – 14:52
Electrical Conductivity of Superionic Hydrated SiO2: Implications for High Conductivity Anomalies Beneath Subduction Zones
Mako Inada, Yoshiyuki Okuda, Kei Hirose, Kenta Oka, Hideharu Kuwahara and Steeve Gréaux

Tuesday, 12 December 2023
MR21C-0069: 08:30 – 12:50
Liquid Density of Fe-H Alloys in Earth’s Outer Core
Suyu Fu, Kei Hirose, Shunpei Yokoo and Fumiya Sakai

DI23B-0027: 14:10 – 18:30
The Solubility of Helium in Iron at High Pressures; Helium in the Earth’s Core?
Haruki Takezawa and Kei Hirose

Wednesday, 13 December 2023
DI31B-0011: 08:30 – 12:50
The Effect of Hydrogen on the Metal-Silicate Partitioning of Sulfur
Shunpei Yokoo, Naoya Sakamoto, Kei Hirose, Yutaro Tsutsumi and Hisayoshi Yurimoto

Thursday, 14 December 2023
MR42A-05: 11:06 – 11:16
S-rich Sulfide Fe12S7 may Crystallize in the Martian Core
Fumiya Sakai, Kei Hirose, Hitoshi Gomi and Nozomu Hiraoka

MR42A-08: 11:39 – 11:49
The Fe-FeH Phase Diagram to Core Pressures by Experiments and Thermodynamic Modeling and the Possible Range of Earth’s Core Composition
Kei Hirose, George R Helffrich, Suyu Fu, Shoh Tagawa, Nagi Ikuta, Naoya Sakamoto and Hisayoshi Yurimoto

MR43C-0111: 14:10 – 18:30
Eutectic Melting Curve for the Fe-FeH System
Shuhei Mita, Suyu Fu and Kei Hirose

Friday, 15 December 2023
DI51B-0005: 08:30 – 12:50
Al-Bearing Hydrated SiO2 in Subducted MORB Crust Does Not Dehydrate at the Core-Mantle Boundary
Yutaro Tsutsumi, Naoya Sakamoto, Kei Hirose and Hisayoshi Yurimoto

Hirose Lab. presentations @ AGU Fall meeting 2019


Monday, 9 / 09:35 – 09:40 / Moscone South – Hall D, Inspire Stage – Centennial Central
U11D – SiO2 and molten silicate release from the core; implications for dynamo and material transport from the core to mantle (Invited)
Kei Hirose

Monday, 9 / 17:15 – 17:30 / Moscone South – 151, Upper Mezz.
DI14A-06 – Inner core crystallization through the F-layer as a constraint for core composition
Irene Bonati, Marine Lasbleis, John W Hernlund and Kei Hirose

Tuesday, 10 / 17:45 – 18:00 / Moscone South – 152, Upper Mezz.
MR23A-07 – Thermal Conductivity of CaSiO3 Perovskite at Lower Mantle Conditions (Invited)
Zhen Zhang, Kotaro Onga, Dong-Bo Zhang, Akira Hasegawa, Kenji Ohta, Tao Sun, Kei Hirose and Renata Wentzcovitch

Tuesday, 10 / 17:45 – 18:00 / Moscone South – 152, Upper Mezz.
MR24A-08 – Evaluating self-diffusion coefficient of iron under high pressure by a combination of resistive-heated diamond anvil cell and secondary ion mass spectrometry
Yohan Park, Kenji Ohta, Shoichi Itoh and Kei Hirose

Wednesday, 11 / 13:40 – 13:55 / Moscone South – 152, Upper Mezz.
MR33A-01 – Hydrogen Limits Carbon in Liquid Iron (Invited)
Kei Hirose, Shoh Tagawa, Yasuhiro Kuwayama, Ryosuke Sinmyo and Guillaume Morard

Thursday, 12 / 10:38 – 10:52 / Moscone South – 303-304, L3
U42B-02 – Transfer of SiO2 from the core to the mantle and its fate in the Earth in early and present times
George R Helffrich, Maxim Ballmer, Guillaume Morard, Koichiro Umemoto, Ryuichi Nomura, Ryosuke Sinmyo, Anat Shahar, Stephane Labrosse, John W Hernlund and Kei Hirose

Friday, 13 / 08:15 – 08:30 / Moscone South – 152, Upper Mezz.
MR51A-02 – Core-mantle partitioning of hydrogen (Invited)
Kei Hirose, Shoh Tagawa, Naoya Sakamoto, Yasuo Ohishi and Hisayoshi Yurimoto

Tuesday, 10 / AM
DI21A-0010 – Core Isotopes Without Core Siderophiles
John W Hernlund, Kang Wei Lim, Irene Bonati, Scott David Hull and Kei Hirose

Tuesday, 10 / PM
DI23B-0039 – Electrical resistivity saturation in hcp Fe-Si alloys at high P-T conditions
Hayato Inoue, Sho Suehiro, Kenji Ohta, Kei Hirose and Yasuo Ohishi

Tuesday, 10 / PM
DI23B-0049 – Electrical resistivity of fcc phase of iron hydrides at high pressures and temperatures
Kenji Ohta, Sho Suehiro, Kei Hirose and Yasuo Ohishi

Tuesday, 10 / PM
DI23B-0058 – Sound velocity measurements on hcp-FeHx (x<1) under high pressures by femtosecond pulse laser pump-probe technique
Tatsuya Wakamatsu, Kenji Ohta, Shoh Tagawa, Takashi Yagi, Kei Hirose and Yasuo Ohishi

Tuesday, 10 / PM
DI23B-0061 – Melting in the Fe-O-H system at 40 GPa
Kenta Oka, Kei Hirose, Shoh Tagawa and Yasuo Ohishi

Tuesday, 10 / PM
DI23B-0063 – Mutual Exclusivity between Si and H in Solid Iron under High Pressure
Koutaro Hikosaka, Kei Hirose and Shoh Tagawa

Wednesday, 11 / AM
DI31B-0010 – High P-T thermal conductivity measurements using externally- and laser-heated DAC on MgSiO3 bridgmanite and Fe-bearing post-perovskite
Yoshiyuki Okuda, Kenji Ohta, Akira Hasegawa, Takashi Yagi, Kei Hirose, Saori Imada and Yasuo Ohishi

Wednesday, 11 / AM
DI31B-0011 – Thermal conductivity of MgO periclase up to 140 GPa and 2000 K
Akira Hasegawa, Kenji Ohta, Takashi Yagi and Kei Hirose

Friday, 13 / AM
MR51D-0082 – Liquid Immiscibility in the Fe-S-H System at Conditions of Earth’s Core Formation
Shunpei Yokoo, Kei Hirose and Shoh Tagawa