2018 - 2023 Experimental study on syn-deformational reaction processes at high pressures: Implications for slab weakening and deep earthquakes
2018 - 2022 Water transport to the lower mantle and its storage capacity
2015 - 2020 Structure and properties of the core-mantle materials
2018 - 2019 マントル遷移層スラブの軟化と深発地震に関する実験的研究
2015 - 2019 Anisotropy of the Earth's inner core studied by high-pressure deformation experiments
2014 - 2018 Deep Earth water research using synchrotron X-ray and neutron radiations
2014 - 2018 Composition and dynamics of Mercury and Mars cores approached from physical properties under high pressures
2013 - 2018 Chemical composition of the lower mantle and differentiation of the early Earth
2013 - 2017 Experimental investigation of reaction-induced shear instability at high pressure
2012 - 2015 Study of the spin transition in ferropericlase based on X-ray diffraction experiments at ultra-high pressures and high temperatures
2008 - 2012 Behavior ofFe-bearing materials under very high pressure and mineralogy of the lowermost mantle and the inner core
2008 - 2012 The behavior and distribution of water and carbon dioxide in the Earth's interior
2010 - 2011 Viscosity of the mantle transition zone investigated by in situ deformation experiments on wadsleyite
2007 - 2010 Establishment of the pressure scale at high temperature and its application to seismic discontinuities in the Earth's interior
2003 - 2007 Searching mineralogy of the Earth's deep interior using a combination of synchrotron radiation and high-pressure technology
2003 - 2006 Physical properties of deep Earth minerals and the effect of water
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Papers (179):
Naoki Takahashi, Tatsuya Sakamaki, Osamu Ikeda, Sho Kakizawa, Yuji Higo, Akio Suzuki. Elastic wave velocity measurements of sodium aluminosilicate glass and melt at high pressure and temperature. Physics of the Earth and Planetary Interiors. 2024. 107167-107167
Kyoko N. Matsukage, Yu Nishihara, Yoshinori Tange, Yuji Higo. Phase Relation and Equation of State of Iron-Titanium Oxyhydroxides With α-PbO2 Type Crystal Structure at Deep Mantle Conditions. Journal of Geophysical Research: Solid Earth. 2024
Masafumi Matsushita, Yuki Kawabata, Yudai Nakata, Shinji Tanaka, Kohtaro Masuda, Daiki Yamauchi, Toru Shinmei, Yuji Higo, Michiaki Yamasaki, Yoshihito Kawamura, et al. Formation process, microstructure, and mechanical properties of an ultrafine dual-phase alloy formed through phase transition of 18R-type long-period stacking ordered in Mg85Zn6Y9 under high pressure. Journal of Alloys and Compounds. 2024. 970
Yoshio Kono, Koji Ohara, Nozomi M. Kondo, Yuji Higo, Sho Kakizawa, Hirokatsu Yumoto, Takahisa Koyama, Hiroshi Yamazaki, Yasunori Senba, Haruhiko Ohashi, et al. In situ high-pressure pair distribution function measurement of liquid and glass by using 100 keV pink beam. Review of Scientific Instruments. 2024
Yoshio Kono, Hideharu Kuwahara, Steeve Gréaux, Mark L. Rivers, Yanbin Wang, Yuji Higo, Keisuke Mitsu, Nozomi Kondo. Strong effect of liquid Fe-S on elastic wave velocity of olivine aggregate: Implication for the low velocity anomaly at the base of the lunar mantle. Earth and Planetary Science Letters. 2023. 618. 118287-118287
増田高大, 廣澤渉一, 堀田善治, 新名亨, 入舩徹男, 肥後祐司, 丹下慶範, 大石泰生. In situ X-ray analysis of solution treatment under high-pressure and extra strengthening in Al-Cu alloy. 軽金属学会大会講演概要. 2021. 141st
山田明寛, 信氏周知, 松岡純, GREAUX Steeve, GREAUX Steeve, 肥後祐司. Structural and property changes in CaSiO3 glass with densification. 日本セラミックス協会秋季シンポジウム講演予稿集(Web). 2021. 34th
山田明寛, 夏原佳奈, 湯地真大, 増野敦信, 山岸弘奈, 肥後祐司, 吉田智, 松岡純. Mechanical property and the structure of Mg-borosilicate glass synthesized by container-less method. ガラスおよびフォトニクス材料討論会講演要旨集. 2021. 62nd
Nakamura Wataru, Nakamura Syusaku, Fujii Syunjiro, Honda Shin-ichi, Niibe Masahito, Terasawa Michitaka, Higo Yuji, Niwase Keisuke, Sato Yohei. In situ X-ray diffraction study on structural changes of neutron-irradiated highly oriented pyrolytic graphite under high-temperature compression and decompression. Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science. 2021. 2021. 3P14
2001 - 2004 Ehime University Graduate School of Science and Engineering
1999 - 2001 Ehime University Graduate School of Science and Engineering
1995 - 1999 Ehime University Faculty of Science Department of Earth Sciences
1990 - 1993 鹿児島高等学校
Professional career (1):
博士(理学) (愛媛大学)
Work history (8):
2022/04 - 現在 Japan Synchrotron Radiation Research Institute
2021/04 - 現在 茨城大学大学院 客員准教授
2018/04 - 現在 (公財)高輝度光科学研究センター 利用研究促進部門 主幹研究員
2007/08 - 2018/03 (財)高輝度光科学研究センター 利用研究促進部門 研究員
2005/10 - 2007/07 Ehime University Geodynamics Research Center
2004/06 - 2005/09 Ehime University Geodynamics Research Center
2001/04 - 2004/03 日本学術振興会特別研究員(DC1)
2003/04 - 2004/01 ニューヨーク州立大学 ストニーブルック校 客員研究員
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Committee career (1):
2017/09 - 2019/08 日本高圧力学会 評議員
Association Membership(s) (4):
American Geophysical Union
, JAPAN GEOSCIENCE UNION
, Japan Association of Mineralogical Sciences
, THE JAPAN SOCIETY OF HIGH PRESSURE SCIENCE AND TECHNOLOGY