Fri. May 30, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

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

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

5:15 PM - 7:15 PM

[SIT18-P01] Relationship between the oxidation state of FeS and its reactivity with hydrogen under high pressure and high temperature conditions

*Takano Masahiro¹, Hiroyuki Kagi¹, Yuichiro Mori¹, Katsutoshi Aoki¹, Yoshio Takahashi¹, Yuta Ijichi², Sho Kakizawa³, Noriyoshi Tsujino³, Yuji Higo³ (1.Graduate School of Science, The University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology, 3.Japan Synchrotron Radiation Research Institute)

5:15 PM - 7:15 PM

[SIT18-P03] Hydrogen position and hydrogen-induced volume expansion of hcp deuterated iron -Insight into hydrogen content of the inner core-

*Sho Kakizawa¹, Hiroyuki Kagi², Katsutoshi Aoki², Asami Sano-Furukawa³, Yuichiro Mori², Takano Masahiro², Takanori Hattori³, Jun Abe⁴, Ken-ichi Funakoshi⁴ (1.Japan Synchrotron Radiation Research Institute, 2.UTokyo Sci., 3.JAEA J-PARC Center, 4.CROSS, Neutron Science and Technology Center)

Thu. May 29, 2025 9:00 AM - 10:30 AM 105 (International Conference Hall, Makuhari Messe)

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

[S-IT20] Deep Earth Sciences

10:00 AM - 10:15 AM

[SIT20-17] Dependence of iron content on nitrogen solubility in bridgmanite and implications for the formation of super-deep nitrogen reservoir

*Ko Fukuyama¹, Hiroyuki Kagi², Tetsuo Irifune³, Toru Shinmei³, Yuki Inoue⁴, Junji Yamamoto¹, Johan Villeneuve⁵, Laurette Piani⁵, Evelyn Füri⁵ (1.Department of Earth and Planetary Sciences, Faculty of Science, Kyushu University, 2.Geochemical Research Center, Graduate School of Science, The University of Tokyo, 3.Geodynamics Research Center, Ehime University , 4.Department of Earth and Planetary Sciences, Graduate School of Science, Kyushu University, 5.Université de Lorraine, CNRS, Centre de Recherches Pétrographiques et Géochimiques)

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[E] Poster
| S (Solid Earth Sciences )
| S-GC Geochemistry

[S-GC37] Volatiles in the Earth - from Surface to Deep Mantle

5:15 PM - 7:15 PM

[SGC37-P10] Spectroscopic analysis of microdiamonds from Kokchetav, Kazakhstan: Towards the elucidation of the origin of deep mantle fluids through the noble gas isotope analysis

*Hideaki Kawamura¹, Hirochika Sumino¹, Hiroyuki Kagi², Larissa F Dobrzhinetskaya³ (1.Research Center for Advanced Science and Technology, the University of Tokyo, 2.Geochemical Research Center, Graduate School of Science, the University of Tokyo, 3.Department of Earth and Planetary Sciences, University of California, Riverside)

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[E] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS08] Astrobiology

5:15 PM - 7:15 PM

[MIS08-P02] In-situ observation of the crystallization behavior of L-excess alanine solutions under high pressure and the possibility of enantiomeric enrichment

*Mika Yoshioka¹, Hiroki Kobayashi¹, Hiroyuki Kagi¹ (1.Geochemical Research Center, Graduate School of Science, University of Tokyo)

Sun. May 25, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS13] Interface- and nano-phenomena on crystal growth and dissolution

5:15 PM - 7:15 PM

[MIS13-P04] Influence of the hydration states on the behavior of Mg²⁺ in CaCO₃ formation process

*Ryusei Kudo¹, Jun Kawano², Naoki Iwane¹, Hiroyuki Kagi³, Ayako Shinozaki², Takaya Nagai² (1.Graduate School of Science, Hokkaido University , 2.Faculty of Science, Hokkaido University , 3.Graduate School of Science, The University of Tokyo)

Hiroyuki Kagi

Speaker, Author, Co-Author