Saori Kawaguchi

Profile Information

Affiliation: Japan Synchrotron Radiation Research Institute

Contact information: sao.kawaguchispring8.or.jp
Researcher number: 00773011
ORCID ID: https://orcid.org/0000-0003-0970-7144
J-GLOBAL ID: 202001015607094423
researchmap Member ID: R000005640

Research Interests

Research Areas

Research History

Apr, 2022 - Present

Senior Scientist, Diffraction and Scattering Division, Japan Synchrotron Radiation Research Institute
Jul, 2015 - Mar, 2022

Japan Synchrotron Radiation Research Institute
Apr, 2015 - Jun, 2015

Research Scientist, Earth-Life Science Institute, Tokyo Institute of Technology

Education

Apr, 2012 - Mar, 2015

Earth and Planetary Sciences, Graduate School of Science and Engineering, Tokyo Institute of Technology
Apr, 2010 - Mar, 2012

Earth an Planetary Sciences, Graduate School of Science and Engineering, Tokyo Institute of Technology
Apr, 2006 - Mar, 2010

Earth and Planetary Sciences, School of Science, Tokyo Institute of Technology

Papers

Absence of T_c-Pinning Phenomenon under High Pressure in High-Entropy REO_0.5F_0.5BiS₂ Layered Superconductor

Yoshikazu Mizuguchi, Kazuki Yamane, Ryo Matsumoto, Kazuhisa Hoshi, Aichi Yamashita, Akira Miura, Yuki Nakahira, Hirokazu Kadobayashi, Saori I. Kawaguchi, Yoshihiko Takano

Journal of the Physical Society of Japan, 92(11), Nov 15, 2023
Measuring the Electrical Resistivity of Liquid Iron to 1.4 Mbar

Kenji Ohta, Sho Suehiro, Saori I. Kawaguchi, Yoshiyuki Okuda, Tatsuya Wakamatsu, Kei Hirose, Yasuo Ohishi, Manabu Kodama, Shuichiro Hirai, Shintaro Azuma

Physical Review Letters, 130(26), Jun 26, 2023
Pressure-induced Structural Phase Transition and New Superconducting Phase in UTe₂

Fuminori Honda, Shintaro Kobayashi, Naomi Kawamura, Saori I. Kawaguchi, Takatsugu Koizumi, Yoshiki J. Sato, Yoshiya Homma, Naoki Ishimatsu, Jun Gouchi, Yoshiya Uwatoko …

Journal of the Physical Society of Japan, 92(4), Apr 15, 2023
Lattice constants and magnetism of L10-ordered FePt under high pressure

S. Sawada, K. Okai, H. Fukui, R. Takahashi, N. Ishimatsu, H. Maruyama, N. Kawamura, S. Kawaguchi, N. Hirao, T. Seki …

Applied Physics Letters, 122(15) 152406-152406, Apr 10, 2023
Pressure-Modulated Magnetism and Negative Thermal Expansion in the Ho₂Fe₁₇ Intermetallic Compound

Yili Cao, Haowei Zhou, Sergii Khmelevskyi, Kun Lin, Maxim Avdeev, Chin-Wei Wang, Bingjie Wang, Fengxia Hu, Kenichi Kato, Takanori Hattori …

Chemistry of Materials, 35(8) 3249-3255, Apr 5, 2023
Ferrimagnetic coupling between cobalt and light rare-earth samarium induced by dense hydrogenation of SmCo5 permanent magnet under high pressures

Naoki Ishimatsu, Kentaro Ishimoto, Kouji Sakaki, Yumiko Nakamura, Naomi Kawamura, Saori I. Kawaguchi, Naohisa Hirao, Satoshi Nakano

Physical Review Materials, Feb 3, 2023
⁵⁷Fe Mössbauer Spectroscopy and High-Pressure Structural Analysis for Mechanism of Pressure-Induced Unique Magnetic Behaviour in (cation)[Fe^IIFe^III(dto)₃] (cation = Ph₄P and ⁿPrPh₃P; dto = 1,2-dithiooxalato)

Ryosuke Taniai, Tsubasa Endo, Takuya KANETOMO, Atsushi Okazawa, Hirokazu Kadobayashi, Saori I. Kawaguchi, Masaya Enomoto

Dalton Transactions, 52(24) 8368-8375, 2023
Suppression of Pressure-Induced Phase Transitions in a Monoclinically Distorted LiNbO₃-Type CuNbO₃ by Preference for a CuO₃ Triangular Coordination Environment

Masayuki Fukuda, Hidenobu Murata, Takumi Nishikubo, Qiumin Liu, Koomok Lee, Takehiro Koike, Yuma Takahashi, Saori I. Kawaguchi, Naohisa Hirao, Hiroshi Funakubo …

Inorganic Chemistry, 61(32) 12719-12725, Aug 15, 2022
A cotunnite-type new high-pressure phase of Fe2S

Kenta Oka, Shigehiko Tateno, Yasuhiro Kuwayama, Kei Hirose, Yoichi Nakajima, Koihiro Umemoto, Noriyoshi Tsujino, Saori I. Kawaguchi

American Mineralogist, 107(7) 1249-1253, Jul 1, 2022
Density determination of liquid iron-nickel-sulfur at high pressure

Saori I. Kawaguchi, Guillaume Morard, Yasuhiro Kuwayama, Kei Hirose, Naohisa Hirao, Yasuo Ohishi

American Mineralogist, 107(7) 1254-1261, Jul 1, 2022 Lead authorCorresponding author
The electrical conductivity of Fe4O5, Fe5O6, and Fe7O9 up to 60 GPa

Shuhou Maitani, Ryosuke Sinmyo, Takayuki Ishii, Saori I. Kawaguchi, Naohisa Hirao

PHYSICS AND CHEMISTRY OF MINERALS, 49(5), May, 2022
Overview of the High-Pressure Beamlines at SPring-8 and the Latest Research Results

HIGO Yuji, KAWAGUCHI Saori

Nihon Kessho Gakkaishi, 64(1) 33-40, Feb 28, 2022
Pressure Destabilizes Oxygen Vacancies in Bridgmanite

Hongzhan Fei, Zhaodong Liu, Rong Huang, Seiji Kamada, Naohisa Hirao, Saori Kawaguchi, Catherine McCammon, Tomoo Katsura

Journal of Geophysical Research: Solid Earth, 126(12), Dec, 2021
Experimental clathrate superhydrides EuH6 and EuH9 at extreme pressure conditions

Liang Ma, Mi Zhou, Yingying Wang, Saori Kawaguchi, Yasuo Ohishi, Feng Peng, Hanyu Liu, Guangtao Liu, Hongbo Wang, Yanming Ma

PHYSICAL REVIEW RESEARCH, 3(4), Nov, 2021
Density and elastic properties of liquid gallium up to 10 GPa using X-ray absorption method combined with externally heated diamond anvil cell

Ryo Tsuruoka, Hidenori Terasaki, Seiji Kamada, Fumiya Maeda, Tadashi Kondo, Naohisa Hirao, Saori I. Kawaguchi, Iori Yamada, Satoru Urakawa, Akihiko Machida

High Pressure Research, 41(4) 379-391, Oct 2, 2021
Impacts of pressure to the structural, electronic and magnetic properties of Dirac semimetal EuMnBi2

Resta A. Susilo, Wen Deng, Jiajia Feng, Aifeng Wang, Naomi Kawamura, Naoki Ishimatsu, Saori Kawaguchi, Mingzhi Yuan, He Li, Weijun Ren …

PHYSICAL REVIEW RESEARCH, 3(4), Oct, 2021
In situ X-ray diffraction study of chrysotile at high P–T conditions: transformation to the 3.65 Å phase

Sergey V. Goryainov, John S. Tse, Serge Desgreniers, Saori I. Kawaguchi, Yuanming Pan, Anna Yu. Likhacheva, Maxim S. Molokeev

Physics and Chemistry of Minerals, 48(10), Oct, 2021
Superionicity, disorder, and bandgap closure in dense hydrogen chloride

Jack Binns, Andreas Hermann, Miriam Peña-Alvarez, Mary-Ellen Donnelly, Mengnan Wang, Saori Imada Kawaguchi, Eugene Gregoryanz, Ross T. Howie, Philip Dalladay-Simpson

Science Advances, 7(36), Sep 3, 2021
Low-spin ferric iron in primordial bridgmanite crystallized from a deep magma ocean

Yoshiyuki Okuda, Kenji Ohta, Yu Nishihara, Naohisa Hirao, Tatsuya Wakamatsu, Sho Suehiro, Saori Kawaguchi, Yasuo Ohishi

SCIENTIFIC REPORTS, 11(1), Sep, 2021
High-pressure effects on superconducting properties and crystal structure of Bi-based layered superconductor La2O2Bi3Ag0.6Sn0.4S6

Supeng Liu, Ryo Matsumoto, Rajveer Jha, Aichi Yamashita, Saori Kawaguchi, Yosuke Goto, Yoshihiko Takano, Yoshikazu Mizuguchi

JOURNAL OF PHYSICS-CONDENSED MATTER, 33(22), Jun, 2021

Misc.

Pressure-Induced Collapse of Valence Order and Emergence of Quantum Valence Fluctuation in YbPd

Akihiro Mitsuda, Kohei Oyama, Hirofumi Wada, Naohisa Hirao, Saori Kawaguchi, Yasuo Ohishi, Jun Gouchi, Yoshiya Uwatoko

Review of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu, 32(1) 20-26, 2022
L1₀型FePtの高圧下X線回折による結晶構造観測

岡井啓輔, 三浦紘大, 安部弘隆, 高橋龍之介, 河口沙織, 平尾直久, 関剛斎, 高梨弘毅, 大村訓史, 福井宏之 …

日本放射光学会年会・放射光科学合同シンポジウム(Web), 34th, 2021
Pressure-induced metal-insulator transition and crystal structure of RNiO₃ (R: rare-earth)

永澤延元, 池田修悟, 河口沙織, 平尾直久, 大石泰生, ALONSO J. A., MARTINEZ-LOPE M. J., ABD-ELMEGUID M. M., 小林寿夫

日本物理学会講演概要集(CD-ROM), 76(1), 2021
Observation of crystal structures of L1₀ type FePt by X-ray diffraction under high pressure

岡井啓輔, 三浦紘大, 安部弘隆, 高橋龍之介, 河口沙織, 平尾直久, 関剛斎, 高梨弘毅, 大村訓史, 福井宏之 …

日本物理学会講演概要集(CD-ROM), 75(2), 2020
液体鉄硫黄合金の構造決定

河口沙織, 河口彰吾, 平尾直久, 大石泰生

日本放射光学会年会・放射光科学合同シンポジウム(Web), 33rd, 2020
Pressure-induced structural transition to bcc in titanium

赤浜裕一, 河口沙織, 平尾直久, 大石泰生

日本物理学会講演概要集(CD-ROM), 75(1), 2020
Superconductivity and crystal structure of Strontium in Alkaline earth metal under high pressure

伊藤匠, 加良勇輔, 中本有紀, 坂田雅文, 清水克哉, 藤久裕司, 河口沙織, 平尾直久, 大石泰生

日本物理学会講演概要集(CD-ROM), 75(1), 2020
圧力誘起金属-絶縁体転移を示すRNiO₃(R:希土類)の結晶構造

永澤延元, 池田修悟, 池田修悟, 河口沙織, 平尾直久, 大石泰生, 平岡望, 浦崎真人, 池野豪一, ALONSO J. A. …

日本物理学会講演概要集(CD-ROM), 74(1), 2019
グラッシーカーボンからのナノ多結晶ダイヤモンド合成と圧縮挙動

上田千晶, 入舩徹男, 入舩徹男, 國本健広, 有本岳史, 新名亨, 大藤弘明, 境毅, 門林宏和, 八木健彦 …

高圧討論会講演要旨集, 60th, 2019
メガバール圧力下での水素化物超伝導体の合成

清水克哉, 榮永茉利, 坂田雅文, 武田大知, 小河勝生, 北垣将臣, 中尾敏臣, 河口沙織, 平尾直久, 大石泰生

高圧討論会講演要旨集, 60th, 2019
マルチメガバールにおける圧力スケールの相互比較

境毅, 門林宏和, 三守秀門, 中本有紀, 加良勇輔, 八木健彦, 河口沙織, 平尾直久

高圧討論会講演要旨集, 60th, 2019
単斜晶ハフニアの高圧下の弾性ソフト化

赤浜裕一, 福井宏之, 河口沙織, 平尾直久, 大石泰生

高圧討論会講演要旨集, 60th, 2019
高温高圧合成したイットリウム水素化物の高温超伝導の探索

北垣将臣, 榮永茉利, 坂田雅文, 中尾敏臣, 清水克哉, 河口沙織, 平尾直久, 大石泰生

高圧討論会講演要旨集, 60th, 2019
高温高圧下で合成されたランタン水素化物の超伝導

榮永茉利, 坂田雅文, 清水克哉, 河口沙織, 平尾直久, 大石泰生

高圧討論会講演要旨集, 60th, 2019
水素超臨界流体相の高圧X線回折研究 II

赤浜裕一, 中野智志, 河口沙織, 平尾直久, 大石泰生

高圧討論会講演要旨集, 60th, 2019
ストロンチウムの高圧下における結晶構造と超伝導

伊藤匠, 加良勇輔, 中本有紀, 坂田雅文, 清水克哉, 藤久裕司, 河口沙織, 平尾直久, 大石泰生

高圧討論会講演要旨集, 60th, 2019
高温-高圧力下でのリンドープH₃Sの合成

小河勝生, 坂田雅文, 榮永茉利, 清水克哉, 河口沙織, 平尾直久, 大石泰生

高圧討論会講演要旨集, 60th, 2019
セレン水素化物の高圧合成と超伝導探索

武田大知, 榮永茉利, 坂田雅文, 清水克哉, 河口沙織, 平尾直久, 大石泰生

高圧討論会講演要旨集, 60th, 2019
BL10XUにおける放射光高圧X線回折用レーザー加熱・輻射温度計測システム

平尾直久, 河口沙織, 大石泰生

高圧討論会講演要旨集, 60th, 2019
Cavityつきアンビルによる高圧下屈折率測定

三守秀門, 境毅, 門林宏和, 河口沙織, 平尾直久

高圧討論会講演要旨集, 60th, 2019

Research Projects

Elucidation of polymorphs and novel properties of SiGe alloys developed by high-pressure phase transformations

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2023 - Mar, 2026
Synthesis and Development of Room-Temperature Superconducting Device

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (S), Grant-in-Aid for Scientific Research (S), Japan Society for the Promotion of Science, Aug, 2020 - Mar, 2025
Development of sub-millisecond XRD measurement technique under combined dynamic environment using DAC

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024
複合環境下リアルタイムナノ空間構造計測システムの開発と構造可視化

科学研究費助成事業基盤研究(B), 基盤研究(B), 日本学術振興会, Apr, 2020 - Mar, 2023

河口彰吾, 河口沙織, 久保田佳基
Structure determination of liquid Fe alloys at high pressure

Grants-in-Aid for Scientific Research Grant-in-Aid for Early-Career Scientists, Grant-in-Aid for Early-Career Scientists, Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2021

Saori Kawaguchi
Sound velocity and density measurements of liquid Fe-Ni-S alloys at high pressure

Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B), Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2018

Saori Kawaguchi
Challenge to generate 1 TPa by static compression

Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Exploratory Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Sakai Takeshi, Yagi Takehiko, Irifune Tetsuo, Kadobayashi Hirokazu, Kunimoto Takehiro, Ohfuji Hiroaki, Hirao Naohisa, Kawaguchi Saori, Ohishi Yasuo, Tateno Shigehiko, Hirose Kei, Dekura Haruhiko

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