Session Details
R3: High-pressure science and deep Earth’s material
Fri. Sep 25, 2026 12:30 PM - 2:00 PM JST
Fri. Sep 25, 2026 3:30 AM - 5:00 AM UTC
Fri. Sep 25, 2026 3:30 AM - 5:00 AM UTC
Poster (336, 340, 341)
[R3P-01]Control of oxygen fugacity for drop-solution calorimetry of iron-bearing samples using lead borate solvent
*Tsubasa Otao1, Itaru Ohira1, Hiroshi koujitani1 (1. Gakushuin University. Sci.)
[R3P-02]High-Pressure Structural Analysis of Sodium Silicate Melts Using Synchrotron X-ray Diffraction and Molecular Dynamics Simulations
*Kazusa Sampei1, Tatsuya Sakamaki1, Yamato Araki1, Haruki Ichikawa1, Akio Suzuki1 (1. Tohoku University)
[R3P-03]Elastic wave velocity measurements of sodium silicate melt at high pressure and temperature
*Yamato Araki1, Tatsuya Sakamaki1 (1. Tohoku Univ. Sci.)
[R3P-04]Structural analysis of CO2-containing NaAlSi2O6 melts using synchrotron X-ray diffraction and molecular dynamics simulations
*Kiichi Nagakura1, Tatsuya Sakamaki1, Yamato Araki1, Haruki Ichikawa1, Akio Suzuki1 (1. Tohoku Univ. Sci)
[R3P-05]Changes in structure, sound velocity, and Poisson’s ratio of Al2O3–SiO2 glasses under pressurization
*Itaru Ohira1, Yoshio Kono2, Steeve Gréaux3, Sayako Inoué3, Nozomi M Kondo4, Sho Kakizawa5, Yuji Higo5, Noriyoshi Tsujino5, Rostislav Hrubiak6, Guoyin Shen6, Atsunobu Masuno7 (1. Dept. Chem., Gakushuin Univ., 2. Dept. Phys. Astron., Kwansei Gakuin Univ., 3. GRC, Ehime Univ., 4. IPM, Okayama Univ., 5. JASRI, 6. HPCAT, XSD, ANL, 7. Grad. Sch. Eng., Kyoto Univ.)
[R3P-06]Volatile concentrations in primitive petit-spot magma constrained from high P-T experiments
*Haruka Yamada1, Norikatsu Akizawa1, Toru Inoue1, Yusuke Egi1, DUTTA DRIPTA1, Yuto Sato2, Kenji Shimizu2, Takayuki Ushikubo2, Akira Ishikawa3, Shiki Machida4, Naoto Hirano5 (1. Hiroshima Univeristy Grtaduate School of Advanced Science and Engineering, 2. JAMSTEC, 3. Science Tokyo, 4. Chiba Institue of Technology, 5. Tohoku University)
[R3P-07]Influence of coexisting inorganic minerals on chemical reactions of hydrocarbons under high-pressure and high-temperature conditions of subduction zones.
*Ayako SHINOZAKI1, Takaya Nagai1, Koichi Mimura2 (1. Hokkaido University, 2. Nagoya University)
[R3P-08]High-temperature, high-pressure stability of Fe-bearing magnesite in the presence of reducing C-H-O fluids and Fe content in the decomposition phase
*Hideaki KAWAMURA1, Hiroaki OHFUJI2, Yu NISHIHARA3 (1. RCAST, The University of Tokyo, 2. The University of Tokyo, 3. Geodynamics Research Center, Ehime University)
[R3P-09]Stability and Compression Behavior of High-Pressure Ice Phases in the H2O-NH3 System of Icy body interiors
*Momoko Takeuchi1, Takeshi Sakai1, Hirokazu Kadobayashi2, Asami Sano3, Shinichi Machida4 (1. Ehime Univ. GRC, 2. JASRI, 3. JAEA, 4. CROSS)
[R3P-10]Neutron diffraction study on brucite at high pressure and temperature and D/H isotope effect
*Asami SANO1 (1. Japan Atmic Energy Agency)
[R3P-11]In situ observation of structural evolution of serpentine under high-velocity impact conditions
*Yuhei Umeda1, Yusuke Seto2, Naotaka Tomioka3, Hiroshi Arima1, Yuichi Inubushi5,6, Ryosuke Kodama7,4, Kohei Miyanishi6, Hirotaka Nakamura7,4, Norimasa Ozaki7,4, Tomoko Sato8, Tadashi Togashi5,6, Toshinori Yabuuchi5,6, Makina Yabashi5,6, Toshimori Sekine9, Takuo Okuchi1 (1. Kyoto Univ., 2. Osaka Metropolitan Univ., 3. JAMSTEC, 4. UOsaka ILE, 5. JASRI, 6. RIKEN, 7. UOsaka Eng., 8. Hiroshima Univ., 9. HPSTAR)
[R3P-12]Experimental study on the maximum water content in olivine just above the 410 km discontinuity
*Toyoki Watanabe1, Takaaki Kawazoe1, Kenji Shimizu2, Takayuki Ushikubo2, Naotaka Tomioka2, Toru Inoue1 (1. Hiroshima Univ. ADSE, 2. JAMSTEC)
[R3P-13]Sound velocities of (Mg,Fe)SiO3 bridgmanite at simultaneous high-pressure and high-temperature
*Steeve Greaux1, Donghoon Kim2, Sho Kakizawa3, Yoshio Kono4, Itaru Ohira5, Yoshihiro Inoue4, Jie-jun Jing1, Minsu Jang2, Gunhee Lee2, Ryoichi Nakada6, Noriyoshi Tsujino3, Yuji Higo3 (1. Ehime University, 2. Korea University, 3. JASRI, 4. Kwansei University, 5. Gakushuin University, 6. JAMSTEC)
[R3P-14]Technical development and current status of elastic wave velocity measurement experiments under high-pressure and high-temperature at SPring-8 BL04B1
*Sho KAKIZAWA1, Yuji HIGO1, Noriyoshi TSUJINO1, Steeve Gréaux2, Yoshio KONO3, Itaru OHIRA4, Takayuki ISHII5 (1. Japan Synchrotron Radiation Research Institute(JASRI), 2. Geodynamics Research Center, Ehime University, 3. Kwansei Gakuin University, 4. Gakushuin University, 5. Institute for Planetary Materials, Okayama University)
[R3P-15]Elastic wave velocities of olivine aggregates and Fe–S melt mixtures: Implications for a basal melt layer in the Martian mantle
*Mio Shiobara1, Tatsuya Sakamaki1, Sho Kakizawa2, Yuji Higo2, Akio Suzuki1 (1. Tohoku University, 2. JASRI)
[R3P-16]Influence of light elements, pressure, and temperature on partitioning of highlysiderophile elements between Fe-metal and silicate liquids
*Nozomi Kondo1, Sho Asanuma2, Yakashi Yoshino1 (1. Okayama University, 2. Kyoto University)
[R3P-17]Compressional and shear wave velocities of hcp-Fe to 27 GPa using GHz ultrasonic interferometry method
Kokoro Kurosaka1, *Hidenori TERASAKI1, Akira Yoneda2, Yusuke Kawanami1, Tadashi Kondo2, Ryoma Ishida2, Daisuke Yamazaki3, Naohisa Hirao4 (1. Okayama Univ., Sci, 2. Univ. Osaka, Sci, 3. Okayama Univ., IPM, 4. JASRI)
[R3P-18]Carbon incorporation into hcp-Fe & fcc-Ni under high pressure and high temperature
*Hoku Kitagawa1, Hiroyuki Kagi1, Masahiro Takano1, Riko Iizuka2, Reina Utsumi3, Hiroyuki Saitoh3, Noriyoshi Tsujino4, Sho Kakizawa4, Yuji Higo4 (1. The University of Tokyo, 2. Waseda Univ., 3. QST, 4. JASRI)
[R3P-19]Melting relationships of the Fe-N system under pressure
*Satoru URAKAWA1, Rin Ohnishi1, Yuki Shibazaki2 (1. Okayama University, 2. KEK)
[R3P-20]Verification of metallization of alkaline earth metal oxides (CaO, BaO) at high pressure
Satoru Nakamura1, *Takeshi SAKAI1, Shuto Fukuda2, Yuki Nakamoto2, Katsuya Shimizu2,1, Hirokazu Kadobayashi3 (1. GRC, Ehime University, 2. KYOKUGEN, Univ. of Osaka, 3. JASRI)