Basic Information

Email Address

• Email Address

  kawaguchi.saori.2skyoto-u.ac.jp

Academic Degree

• 26 Mar. 2012

  東京工業大学修士（理学）
• 26 Mar. 2015

  東京工業大学博士（理学）

Academic Resume (Undergraduate School/Majors)

• 東京工業大学, 理学部地球惑星科学科, 卒業

Research History

• From Jan. 2026, To Present

  Kyoto University, Office of Institutional Advancement and Communications Unit for Research and Development of Hydrogen Energy Materials and Next Generation Battery, Program-Specific Associate Professor
• From Apr. 2025, To Mar. 2026

  Shimane University, Faculty of Materials for Energy, 客員准教授
• From Apr. 2025, To Dec. 2025

  DECTRIS Japan K.K., Field System Engineer
• From Apr. 2022, To Mar. 2025

  Japan Synchrotron Radiation Research Institute, Diffraction and Scattering Division, Senior Scientist
• From Jul. 2015, To Mar. 2022

  Japan Synchrotron Radiation Research Institute, 研究員
• From Apr. 2015, To Jun. 2015

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

ID,URL

• ORCID ID

  0000-0003-0970-7144

• J-Global ID

  202001015607094423

• Researcher number

  00773011

researchmap URL

• https://researchmap.jp/sao_kawaguchi

Research

Research Interests

• Synchrotron Radiation
• 機能材料
• High pressure
• geophysics

Research Areas

• Nanotechnology/Materials, Structural and functional materials
• Nanotechnology/Materials, Inorganic materials
• Energy, Quantum beam science
• Natural sciences, Solid earth science, 高圧鉱物物理学

Papers

• Melting curve of FeS under Martian core conditions

  Ko Morioka; Hidenori Terasaki; Saori I. Kawaguchi; Kokoro Kurosaka; Moe Sakurai; Tadashi Kondo; Akira Yoneda; Satoru Urakawa

  Physics of the Earth and Planetary Interiors, Jul. 2026

  
• 5 Mbar generation by using diamond anvil cell with semi-ball-like tip

  Takeshi Sakai; Satoru Nakamura; Shuto Fukuda; Sotaro Iwatsu; Yuki Nakamoto; Katsuya Shimizu; Hirokazu Kadobayashi; Saori Kawaguchi-Imada

  HIGH PRESSURE RESEARCH, 12 Feb. 2026

  
• Density of FeS up to the Martian core condition using the X-ray absorption method with laser-heated diamond anvil cell: implication to the Martian core structure

  Ko Morioka; Hidenori Terasaki; Saori Kawaguchi-Imada; Kokoro Kurosaka; Moe Sakurai; Akira Yoneda; Tadashi Kondo

  HIGH PRESSURE RESEARCH, 13 Feb. 2026

  
• Compact high-pressure cell for in situ synchrotron powder x-ray diffraction featuring precise pressure and temperature control and a wide aperture for crystallographic studies under pressures of up to 400 MPa

  Yuki Mori; Shogo Kawaguchi; Shintaro Kobayashi; Saori Kawaguchi-Imada; Michitaka Takemoto; Masamitsu Matsumoto

  Review of Scientific Instruments, 01 Jan. 2026

  
• Structural and Electronic Properties of Iron-based Ladder Compounds BaFe ₂ (S _{1− x} Te _x ) ₃

  Kohei Kawaguchi; Yoshinori Imai; Takuya Aoyama; Saori I. Kawaguchi; Kenya Ohgushi

  Journal of the Physical Society of Japan, 15 Dec. 2025

  
• High-pressure phase transformation and metastable phases of a Si0.29Ge0.71 alloy using a diamond anvil cell

  Yoshifumi Ikoma; Yuma Sato; Hirokazu Kadobayashi; Saori Kawaguchi-Imada; Seung Zeon Han; Eun-Ae Choi; Yasutomo Arai

  Applied Physics Letters, 18 Aug. 2025

  
• Lifshitz transition and superconductivity in Bi2S3 powder via interchain bonding under quasihydrostatic pressure

  Xiaoli Ma; Ertugrul Karaca; He Zhang; Wei Zhong; Saori Kawaguchi; Hirokazu Kadobayashi; Xiaohui Yu; Binbin Yue; Daniel Errandonea; Fang Hong

  Physical Review B, 26 Dec. 2024

  
• Crystallographic preferred orientation of (Mg,Fe)O up to 125 GPa inferred from torsional deformation experiments using a rotational diamond anvil cell

  Bunrin Natsui; Shintaro Azuma; Keishi Okazaki; Kentaro Uesugi; Masahiro Yasutake; Saori Kawaguchi-Imada; Ryuichi Nomura; Kenji Ohta

  Physics of the Earth and Planetary Interiors, Sep. 2025

  
• The equations of state of nine materials up to 0.43 TPa for extreme pressure science

  Takeshi Sakai; Hirokazu Kadobayashi; Yuki Nakamoto; Haruhiko Dekura; Naoki Ishimatsu; Saori Kawaguchi-Imada; Yusuke Seto; Oki Sekizawa; Kiyofumi Nitta; Katsuya Shimizu

  Communications Materials, 17 Apr. 2025

  
• Electrical and thermal conductivities of Fe–Ni–Si alloy under core conditions: A reevaluation

  Kenji Ohta; Hayato Inoue; Sho Suehiro; Kei Hirose; Saori Kawaguchi-Imada; Haruhiko Dekura

  Physics of the Earth and Planetary Interiors, Jun. 2025

  
• Compressibility of single-crystal zircon up to 19 GPa: implications for the partitioning coefficient of trace elements

  Shuhou Maitani; Ryosuke Sinmyo; Hikaru Higuchi; Tomoko Ikeda-Fukazawa; Saori Kawaguchi-Imada

  European Journal of Mineralogy, 14 Apr. 2025, Peer-reviewed

  
• Pressure-induced charge amorphisation in BiNiO3

  Wei-tin Chen; Takumi Nishikubo; Yuki Sakai; Hena Das; Masayuki Fukuda; Zhao Pan; Naoki Ishimatsu; Masaichiro Mizumaki; Nomi Kawamura; Saori I. Kawaguchi; Olga Smirnova; Mathew G. Tucker; Tetsu Watanuki; Akihiko Machida; Shigehiro Takajo; Yoshiya Uwatoko; Yuichi Shimakawa; Mikio Takano; Masaki Azuma; J. Paul Attfield

  Nature Communications, 05 Mar. 2025

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• Development of density measurement at high pressure and high temperature using the x-ray absorption method combined with laser-heated diamond anvil cell

  Hidenori Terasaki; Hiroyuki Kamina; Saori I. Kawaguchi; Tadashi Kondo; Ko Morioka; Ryo Tsuruoka; Moe Sakurai; Akira Yoneda; Seiji Kamada; Naohisa Hirao

  Review of Scientific Instruments, 01 Mar. 2025

  
• Nanoconfinement of High Hydrogen-to-Metal Ratio Lanthanum Hydrides in Functionalized Carbon Hosts

  Mohana Shivanna; Timothy A. Elmslie; Catalin D. Spataru; Sakun Duwal; Nicholas Porcellino; Sergio Mouzaya; Christopher P. Pakhanyan; Farid El Gabaly; Saori Kawaguchi-Imada; Jinghua Guo; Zengqing Zhuo; Min-Jae Kim; Blake T. Sturtevant; Joseph Anthony Teprovich; Mark D. Allendorf; Peter A. Sharma; Vitalie Stavila

  ACS APPLIED ENERGY MATERIALS, 21 Nov. 2024

  
• Observation of hot dense H2O phases through non-time-resolved and time-resolved x-ray diffraction measurements in a laser-heated diamond anvil cell

  Kenta Iwamatsu; Yoshiyuki Okuda; Saori Kawaguchi-Imada; Kenji Ohta

  PHYSICAL REVIEW B, 24 Oct. 2024

  
• Pressure-induced superconductivity in quasi-one-dimensional ZrS3

  Binbin Yue; Wei Zhong; He Zhang; Jie Zhou; Jingwei Miao; Saori Kawaguchi; Hirokazu Kadobayashi; Fang Hong

  Physical Review B, 16 Oct. 2024

  
• Absence of metallic ground state across the spin state transition in crystalline MnS2 under pressure

  Jie Zhou; Wei Zhong; He Zhang; Saori Kawaguchi; Hirokazu Kadobayashi; Xiaohui Yu; Binbin Yue; Fang Hong

  Physical Review B, 15 Oct. 2024

  
• Structural and Electronic Properties of RuX3 (X = Br and I) under High Pressure

  Fuki Sato; Takuya Aoyama; Saori Kawaguchi; Hirotada Gotou; Yoshinori Imai; Kenya Ohgushi

  Journal of the Physical Society of Japan, 15 Sep. 2024

  
• Stress-Induced Martensitic Transformation in Na3YCl6

  Akira Miura; Koki Muraoka; Kotaro Maki; Saori Kawaguchi; Kazuhiro Hikima; Hiroyuki Muto; Atsunori Matsuda; Ichiro Yamane; Toshihiro Shimada; Hiroaki Ito; Yoshikazu Mizuguchi; Chikako Moriyoshi; Hiroshi Nakajima; Shigeo Mori; Hiroshi Oike; Akira Nakayama; Wenhao Sun; Nataly Carolina Rosero-Navarro; Kiyoharu Tadanaga

  Journal of the American Chemical Society, 11 Sep. 2024

  
• Pressure-Sensitive Multiple Superconducting Phases and Their Structural Origin in Van der Waals HfS2 Up to 160 GPa

  Wei Zhong; He Zhang; Ertugrul Karaca; Jie Zhou; Saori Kawaguchi; Hirokazu Kadobayashi; Xiaohui Yu; Daniel Errandonea; Binbin Yue; Fang Hong

  Physical Review Letters, 09 Aug. 2024

  
• Pressure-Induced Volumetric Negative Thermal Expansion in CoZr₂ Superconductor

  Yuto Watanabe; Hiroto Arima; Saori Kawaguchi-Imada; Hirokazu Kadobayashi; Kenta Oka; Hidetomo Usui; Ryo Matsumoto; Yoshihiko Takano; Takeshi Kawahata; Chizuru Kawashima; Hiroki Takahashi; Aichi Yamashita; Yoshikazu Mizuguchi

  ADVANCED ELECTRONIC MATERIALS, Aug. 2024

  
• Electrical Conductivity of Dense MgSiO₃ Melt Under Static Compression

  Yoshiyuki Okuda; Kei Hirose; Kenji Ohta; Saori Kawaguchi-Imada; Kenta Oka

  GEOPHYSICAL RESEARCH LETTERS, Jun. 2024

  
• Mechanical Properties of Modulative Undulating Layers in Two-Dimensional Metal–Organic Frameworks

  Yuudai Iwai; Sotaro Kusumoto; Ryo Suzuki; Masaru Tachibana; Kazuki Komatsu; Takashi Kikuchi; Saori I. Kawaguchi; Hirokazu Kadobayashi; Yuji Masubuchi; Yuzuki Yamamoto; Yoshiki Ozawa; Masaaki Abe; Kenji Hirai; Benjamin Le Ouay; Masaaki Ohba; Ryo Ohtani

  Chemistry of Materials, 21 May 2024, Peer-reviewed

  
• On the Structural and Vibrational Properties of Solid Endohedral Metallofullerene Li@C₆₀

  Martina Vrankic; Takeshi Nakagawa; Melita Menelaou; Yasuhiro Takabayashi; Naoya Yoshikane; Keisuke Matsui; Ken Kokubo; Kenichi Kato; Saori Kawaguchi-Imada; Hirokazu Kadobayashi; John Arvanitidis; Yoshiki Kubota; Kosmas Prassides

  INORGANICS, Apr. 2024

  
• Structure Responsible for the Superconducting State in La₃Ni₂O₇ at High-Pressure and Low-Temperature Conditions

  Luhong Wang; Yan Li; Sheng-Yi Xie; Fuyang Liu; Hualei Sun; Chaoxin Huang; Yang Gao; Takeshi Nakagawa; Boyang Fu; Bo Dong; Zhenhui Cao; Runze Yu; Saori I. Kawaguchi; Hirokazu Kadobayashi; Meng Wang; Changqing Jin; Ho-kwang Mao; Haozhe Liu

  Journal of the American Chemical Society, 08 Mar. 2024

  
• Submillisecond in situ X-ray diffraction measurement system with changing temperature and pressure using diamond anvil cells at BL10XU/SPring-8

  Saori Kawaguchi-Imada; Ryosuke Sinmyo; Kenji Ohta; Shogo Kawaguchi; Toshiyuki Kobayashi

  JOURNAL OF SYNCHROTRON RADIATION, Mar. 2024

  
• Correction: 57Fe Mössbauer spectroscopy and high-pressure structural analysis for the mechanism of pressure-induced unique magnetic behaviour in (cation)[FeIIFeIII(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 (Cambridge, England : 2003), 13 Feb. 2024

  
• Pressure-induced structural phase transition in the ferromagnetic Heusler alloy Ni2MnGa

  T. Eto; Y. Nakamoto; T. Kagayama; Y. Adachi; S. Kawaguchi; N. Hirao; Y. Uwatoko; M. Nagasako; T. Kanomata

  Physical Review B, 03 Jan. 2024

  
• High-pressure phase and pressure-induced phase transition of Ag₃YCl₆

  Kotaro Maki; Koki Muraoka; Saori Kawaguchi; Taku Tanimoto; Akira Nakayama; Seiya Yokokura; Toshihiro Shimada; Kiyoharu Tadanaga; Akira Miura

  CrystEngComm, 2024

  
• High-Pressure Synthesis of a High-Pressure Phase of MnN Having NiAs-Type Structure

  Shuto Asano; Ken Niwa; Keith V. Lawler; Saori Kawaguchi-Imada; Takuya Sasaki; Masashi Hasegawa

  INORGANIC CHEMISTRY, 22 Nov. 2023

  
• 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, 15 Nov. 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, 26 Jun. 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; Hisatomo Harima; Jacques Flouquet; Dai Aoki

  Journal of the Physical Society of Japan, 15 Apr. 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; K. Takanashi; S. Ohmura; H. Wadati

  Applied Physics Letters, 10 Apr. 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; Jun Abe; Koji Ohara; Saori Kawaguchi; Qiang Li; Masayuki Fukuda; Takumi Nishikubo; Koomok Lee; Takehiro Koike; Qiumin Liu; Jun Miao; Jinxia Deng; Baogen Shen; Masaki Azuma; Xianran Xing

  Chemistry of Materials, 05 Apr. 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, 03 Feb. 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, 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; Masaki Azuma

  Inorganic Chemistry, 15 Aug. 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, 01 Jul. 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, 01 Jul. 2022, Lead author, Corresponding 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, May 2022

  
• Overview of the High-Pressure Beamlines at SPring-8 and the Latest Research Results

  HIGO Yuji; KAWAGUCHI Saori

  Nihon Kessho Gakkaishi, 28 Feb. 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, 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, 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, 02 Oct. 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; Takeshi Nakagawa; Cedomir Petrovic; Bin Chen

  PHYSICAL REVIEW RESEARCH, 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, 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, 03 Sep. 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, 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, Jun. 2021

  
• Diamond formation from methane hydrate under the internal conditions of giant icy planets

  Hirokazu Kadobayashi; Satoka Ohnishi; Hiroaki Ohfuji; Yoshitaka Yamamoto; Michihiro Muraoka; Suguru Yoshida; Naohisa Hirao; Saori Kawaguchi-Imada; Hisako Hirai

  SCIENTIFIC REPORTS, 14 Apr. 2021

  
• High-pressure stability of bcc-vanadium and phase transition to a rhombohedral structure at 200GPa

  Yuichi Akahama; Saori Kawaguchi; Naohisa Hirao; Yasuo Ohishi

  JOURNAL OF APPLIED PHYSICS, Apr. 2021

  
• Volume compression of period 4 elements: Zn, Ge, As, and Se above 200 GPa: Ordering of atomic volume by atomic number

  Y. Akahama; K. Kamiue; N. Okawa; S. Kawaguchi; N. Hirao; Y. Ohishi

  Journal of Applied Physics, 14 Jan. 2021

  
• Elastic softening of bulk modulus of monoclinic HfO2 under high pressure

  Yuichi Akahama; Saori Kawaguchi; Naohisa Hirao; Yasuo Ohishi

  APPLIED PHYSICS LETTERS, Nov. 2020

  
• New pressure-induced phase transition to Co2Si-type Fe2P

  Yoichi Nakajima; Shunya Araki; Daisuke Kinoshita; Kei Hirose; Shigehiko Tateno; Saori Kawaguchi; Naohisa Hirao

  AMERICAN MINERALOGIST, Nov. 2020

  
• Chemical Reaction Between Metallic Iron and a Limited Water Supply Under Pressure: Implications for Water Behavior at the Core‐Mantle Boundary

  M. Nishi; Y. Kuwayama; T. Hatakeyama; S. Kawaguchi; N. Hirao; Y. Ohishi; T. Irifune

  Geophysical Research Letters, 16 Oct. 2020

  
• High-pressure Raman scattering and x-ray diffraction studies of the supercritical fluid of hydrogen

  Yuichi Akahama; Ryosuke Miyamoto; Satoshi Nakano; Saori Kawaguchi; Naohisa Hirao; Yasuo Ohishi

  JOURNAL OF APPLIED PHYSICS, Oct. 2020

  
• Thermal conductivity of Fe-bearing post-perovskite in the Earth's lowermost mantle

  Yoshiyuki Okuda; Kenji Ohta; Akira Hasegawa; Takashi Yagi; Kei Hirose; Saori I. Kawaguchi; Yasuo Ohishi

  EARTH AND PLANETARY SCIENCE LETTERS, Oct. 2020, Peer-reviewed

  
• Strong variant selection observed in the alpha-epsilon martensitic transition of iron under quasihydrostatic compression along [111](alpha)

  Naoki Ishimatsu; Daiki Miyashita; Saori Kawaguchi

  PHYSICAL REVIEW B, Aug. 2020

  
• Observation of high-pressure bcc phase of titanium at 243GPa

  Yuichi Akahama; Saori Kawaguchi; Naohisa Hirao; Yasuo Ohishi

  JOURNAL OF APPLIED PHYSICS, Jul. 2020

  
• Silicon-Depleted Present-Day Earth's Outer Core Revealed by Sound Velocity Measurements of Liquid Fe-Si Alloy

  Yoichi Nakajima; Saori Kawaguchi; Kei Hirose; Shigehiko Tateno; Yasuhiro Kuwayama; Ryosuke Sinmyo; Haruka Ozawa; Satoshi Tsutsui; Hiroshi Uchiyama; Alfred Q. R. Baron

  JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, Jun. 2020, Peer-reviewed

  
• Compression behavior of dense H-2-He mixtures up to 160 GPa

  Jinhyuk Lim; Minseob Kim; Sakun Duwal; Saori Kawaguchi; Yasuo Ohishi; Hanns-Peter Liermann; Rostislav Hrubiak; John S. Tse; Choong-Shik Yoo

  PHYSICAL REVIEW B, Jun. 2020, Peer-reviewed

  
• Equation of State of Liquid Iron under Extreme Conditions.

  Yasuhiro Kuwayama; Guillaume Morard; Yoichi Nakajima; Kei Hirose; Alfred Q R Baron; Saori I Kawaguchi; Taku Tsuchiya; Daisuke Ishikawa; Naohisa Hirao; Yasuo Ohishi

  Physical review letters, 24 Apr. 2020, Peer-reviewed

  
• Sequential Spin State Transition and Intermetallic Charge Transfer in PbCoO3.

  Zhehong Liu; Yuki Sakai; Junye Yang; Wenmin Li; Ying Liu; Xubin Ye; Shijun Qin; Jinming Chen; Stefano Agrestini; Kai Chen; Sheng-Chieh Liao; Shu-Chih Haw; Francois Baudelet; Hirofumi Ishii; Takumi Nishikubo; Hayato Ishizaki; Tatsuru Yamamoto; Zhao Pan; Masayuki Fukuda; Kotaro Ohashi; Kana Matsuno; Akihiko Machida; Tetsu Watanuki; Saori I Kawaguchi; Angel M Arevalo-Lopez; Changqing Jin; Zhiwei Hu; J Paul Attfield; Masaki Azuma; Youwen Long

  Journal of the American Chemical Society, 25 Mar. 2020, Peer-reviewed

  
• Study on the Correlation of U Valence States with U–U Distance in UPd2Cd20

  Naomi Kawamura; Yusuke Hirose; Fuminori Honda; Ryohei Shimokasa; Naoki Ishimatsu; Masaichiro Mizumaki; Saori I. Kawaguchi; Naohisa Hirao; Kojiro Mimura

  Proceedings of the International Conference on Strongly Correlated Electron Systems (SCES2019), 19 Mar. 2020

  
• Pressure-Composition Phase Diagram of Fe-Ni Alloy

  Yuichi Akahama; Yuki Fujimoto; Tomoyuki Terai; Takashi Fukuda; Saori Kawaguchi; Naohisa Hirao; Yasuo Ohishi; Tomoyuki Kakeshita

  MATERIALS TRANSACTIONS, 2020, Peer-reviewed

  
• Conical support for double-stage diamond anvil apparatus

  Takeshi Sakai; Takehiko Yagi; Ryosuke Takeda; Toshiki Hamatani; Yuki Nakamoto; Hirokazu Kadobayashi; Hideto Mimori; Saori Kawaguchi; Naohisa Hirao; Keitaro Kuramochi; Naoki Ishimatsu; Takehiro Kunimoto; Hiroaki Ohfuji; Yasuo Ohishi; Tetsuo Irifune; Katsuya Shimizu

  HIGH PRESSURE RESEARCH, Jan. 2020, Peer-reviewed

  
• Superconductivity and structural studies of highly compressed hydrogen sulfide (vol 552, pg 27, 2018)

  Katsuya Shimizu; Mari Einaga; Masafumi Sakata; Akiyoshi Masuda; Harushige Nakao; Mikhail Eremets; Alexander Drozdov; Ivan Troyan; Naohisa Hirao; Saori Kawaguchi; Yasuo Ohishi

  PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, Dec. 2019

  
• Superconductivity of Pure H3S Synthesized from Elemental Sulfur and Hydrogen

  Harushige Nakao; Mari Einaga; Masafumi Sakata; Masaomi Kitagaki; Katsuya Shimizu; Saori Kawaguchi; Naohisa Hirao; Yasuo Ohishi

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Dec. 2019, Peer-reviewed

  
• Fe 2 S: The Most Fe‐Rich Iron Sulfide at the Earth's Inner Core Pressures

  Shigehiko Tateno; Haruka Ozawa; Kei Hirose; Toshihiro Suzuki; Saori I‐Kawaguchi; Naohisa Hirao

  Geophysical Research Letters, 16 Nov. 2019

  
• Hydrogen-Storing Salt NaCl(H-2) Synthesized at High Pressure and High Temperature

  Takahiro Matsuoka; Shu Muraoka; Takahiro Ishikawa; Ken Niwa; Kenji Ohta; Naohisa Hirao; Saori Imada Kawaguchi; Yasuo Ohishi; Katsuya Shimizu; Shigeo Sasaki

  JOURNAL OF PHYSICAL CHEMISTRY C, Oct. 2019, Peer-reviewed

  
• High-pressure Effect on a Proton-conducting Metal-Organic Framework, LaCr(C2O4)(3)center dot 10H(2)O

  Takayuki Yamamoto; Yuta Asakawa; Mitsuhiko Maesato; Naohisa Hirao; Saori I. Kawaguchi; Yasuo Ohishi; Hiroshi Kitagawa

  CHEMISTRY LETTERS, Jul. 2019, Peer-reviewed

  
• Study of the Pressure-Induced Second Superconducting Phase of (NH3)(y)Cs0.4FeSe with Double-Dome Superconductivity

  Yoshiya Yamamoto; Hitoshi Yamaoka; Seiichiro Onari; Masahiro Yoshida; Naohisa Hirao; Saori Kawaguchi; Yasuo Oishi; Xiao Miao; Yoshihiro Kubozono; Jung-Fu Lin; Nozomu Hiraoka; Hirofumi Ishii; Yen-Fa Liao; Ku-Ding Tsuei; Jun'ichiro Mizuki

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Jul. 2019, Peer-reviewed

  
• Phase relations in silicon and germanium nitrides up to 98GPa and 2400 degrees C

  Norimasa Nishiyama; Julia Langer; Takeshi Sakai; Yohei Kojima; Astrid Holzheid; Nico A. Gaida; Eleonora Kulik; Naohisa Hirao; Saori I. Kawaguchi; Tetsuo Irifune; Yasuo Ohishi

  JOURNAL OF THE AMERICAN CERAMIC SOCIETY, Apr. 2019, Peer-reviewed

  
• Colossal barocaloric effects in plastic crystals.

  Bing Li; Yukinobu Kawakita; Seiko Ohira-Kawamura; Takeshi Sugahara; Hui Wang; Jingfan Wang; Yanna Chen; Saori I Kawaguchi; Shogo Kawaguchi; Koji Ohara; Kuo Li; Dehong Yu; Richard Mole; Takanori Hattori; Tatsuya Kikuchi; Shin-Ichiro Yano; Zhao Zhang; Zhe Zhang; Weijun Ren; Shangchao Lin; Osami Sakata; Kenji Nakajima; Zhidong Zhang

  Nature, Mar. 2019, Peer-reviewed

  
• An Experimental Examination of Thermal Conductivity Anisotropy in hcp Iron

  Kenji Ohta; Yu Nishihara; Yuki Sato; Kei Hirose; Takashi Yagi; Saori Kawaguchi; Naohisa Hirao; Yasuo Ohishi

  FRONTIERS IN EARTH SCIENCE, Nov. 2018, Peer-reviewed

  
• Unexpected Semimetallic BiS2 at High Pressure and High Temperature.

  Guangtao Liu; Zhenhai Yu; Hanyu Liu; Simon A T Redfern; Xiaolei Feng; Xin Li; Ye Yuan; Ke Yang; Naohisa Hirao; Saori Imada Kawaguchi; Xiaodong Li; Lin Wang; Yanming Ma

  The journal of physical chemistry letters, 04 Oct. 2018, Peer-reviewed

  
• Phase Transitions and Resistivity Anomaly of Layered MoO3 at High Pressure

  Sakun Duwal; Minseob Kim; Saori Kawaguchi; Naohisha Hirao; Yasuo Ohishi; Choong-Shik Yoo

  JOURNAL OF PHYSICAL CHEMISTRY C, Oct. 2018, Peer-reviewed

  
• Superconductivity and structural studies of highly compressed hydrogen sulfide

  Katsuya Shimizu; Mari Einaga; Masafumi Sakata; Akiyoshi Masuda; Harushige Nakao; Mikhail Eremets; Alexander Drozdov; Ivan Troyan; Naohisa Hirao; Saori Kawaguchi; Yasuo Ohishi

  PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, Sep. 2018

  
• Lepidocrocite-Type Titanate Formation from Isostructural Prestructures under Hydrothermal Reactions: Observation by Synchrotron X-ray Total Scattering Analyses.

  Satoshi Tominaka; Hiroki Yamada; Satoshi Hiroi; Saori I Kawaguchi; Koji Ohara

  ACS omega, 31 Aug. 2018, Peer-reviewed

  
• Valence fluctuating compound alpha-YbAlB4 studied by Yb-174 Mossbauer spectroscopy and X-ray diffraction using synchrotron radiation

  Momoko Oura; Shugo Ikeda; Ryo Masuda; Yasuhiro Kobayashi; Makoto Seto; Yoshitaka Yoda; Naohisa Hirao; Saori I. Kawaguchi; Yasuo Ohishi; Shintaro Suzuki; Kentaro Kuga; Satoru Nakatsuji; Hisao Kobayashi

  PHYSICA B-CONDENSED MATTER, May 2018, Peer-reviewed

  
• High pressure generation using double-stage diamond anvil technique: problems and equations of state of rhenium

  Takeshi Sakai; Takehiko Yagi; Tetsuo Irifune; Hirokazu Kadobayashi; Naohisa Hirao; Takehiro Kunimoto; Hiroaki Ohfuji; Saori Kawaguchi-Imada; Yasuo Ohishi; Shigehiko Tateno; Kei Hirose

  HIGH PRESSURE RESEARCH, 2018

  
• Boron-doped diamond as a new heating element for internal-resistive heated diamond-anvil cell

  Haruka Ozawa; Shigehiko Tateno; Longjian Xie; Yoichi Nakajima; Naoya Sakamoto; Saori I. Kawaguchi; Akira Yoneda; Naohisa Hirao

  HIGH PRESSURE RESEARCH, 2018, Peer-reviewed

  
• Two-year progress in experimental investigation on high-temperature superconductivity of sulfur hydride

  Mari Einaga; Masafumi Sakata; Akiyoshi Masuda; Harushige Nakao; Katsuya Shimizu; Alexander Drozdov; Mikhail Eremets; Saori Kawaguchi; Naohisa Hirao; Yasuo Ohishi

  JAPANESE JOURNAL OF APPLIED PHYSICS, May 2017, Peer-reviewed

  
• Sound velocity of liquid Fe-Ni-S at high pressure

  Saori I. Kawaguchi; Yoichi Nakajima; Kei Hirose; Tetsuya Komabayashi; Haruka Ozawa; Shigehiko Tateno; Yasuhiro Kuwayama; Satoshi Tsutsui; Alfred Q. R. Baron

  JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, May 2017, Peer-reviewed

  
• Pressure-Induced Phase Transition in KxFe2-yS2

  Yuu Tsuchiya; Shugo Ikeda; Xiao-Wei Zhang; Shunji Kishimoto; Takumi Kikegawa; Naohisa Hirao; Saori I. Kawaguchi; Yasuo Ohishi; Hisao Kobayashi

  JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, Mar. 2017, Peer-reviewed

  
• The Room-Temperature Superionic Conductivity of Silver Iodide Nanoparticles under Pressure.

  Takayuki Yamamoto; Mitsuhiko Maesato; Naohisa Hirao; Saori I Kawaguchi; Shogo Kawaguchi; Yasuo Ohishi; Yoshiki Kubota; Hirokazu Kobayashi; Hiroshi Kitagawa

  Journal of the American Chemical Society, 01 Feb. 2017, Peer-reviewed

  
• Temperature dependence of the velocity-density relation for liquid metals under high pressure: Implications for the Earth's outer core

  Tetsuya Komabayashi; Jinya Kato; Kei Hirose; Satoshi Tsutsui; Saori Imada; Yoichi Nakajima; Alfred Q. R. Baron

  AMERICAN MINERALOGIST, Nov. 2015, Peer-reviewed

  
• Carbon-depleted outer core revealed by sound velocity measurements of liquid iron-carbon alloy

  Yoichi Nakajima; Saori Imada; Kei Hirose; Tetsuya Komabayashi; Haruka Ozawa; Shigehiko Tateno; Satoshi Tsutsui; Yasuhiro Kuwayama; Alfred Q. R. Baron

  NATURE COMMUNICATIONS, Nov. 2015, Peer-reviewed

  
• Liquid iron-sulfur alloys at outer core conditions by first-principles calculations

  Koichiro Umemoto; Kei Hirose; Saori Imada; Yoichi Nakajima; Tetsuya Komabayashi; Satoshi Tsutsui; Alfred Q. R. Baron

  GEOPHYSICAL RESEARCH LETTERS, Oct. 2014, Peer-reviewed

  
• Measurements of lattice thermal conductivity of MgO to core-mantle boundary pressures

  Saori Imada; Kenji Ohta; Takashi Yagi; Kei Hirose; Hideto Yoshida; Hiroko Nagahara

  GEOPHYSICAL RESEARCH LETTERS, Jul. 2014, Peer-reviewed

  
• Compression of Na0.4Mg0.6Al1.6Si0.4O4 NAL and Ca-ferrite-type phases

  Saori Imada; Kei Hirose; Tetsuya Komabayashi; Toshihiro Suzuki; Yasuo Ohishi

  PHYSICS AND CHEMISTRY OF MINERALS, Jul. 2012, Peer-reviewed

  
• Stabilities of NAL and Ca-ferrite-type phases on the join NaAlSiO4-MgAl2O4 at high pressure

  Saori Imada; Kei Hirose; Yasuo Ohishi

  PHYSICS AND CHEMISTRY OF MINERALS, Jul. 2011, Peer-reviewed

  

Misc.

• High-pressure and high-temperature synthesis of ternary Lu-Y-H hydride

  中本有紀; 佐々木岬; 時任晃成; 榮永茉利; 清水克哉; 河口沙織

  日本物理学会講演概要集(CD-ROM), 2024

  
• High-Pressure Synthesis of Ternary Ca-B-H Hydrides

  榮永茉利; 瓜生健心; 清水克哉; 木須一彰; 折茂慎一; 河口沙織

  日本物理学会講演概要集(CD-ROM), 2024

  
• Verification of superconductivity in layered iron superhydrides synthesized under high pressure

  佐々木岬; 榮永茉利; 中本有紀; 清水克哉; 河口沙織

  日本物理学会講演概要集(CD-ROM), 2024

  
• Synthesis of New Materials by Ultrahigh-Pressure Treatment of Organic and Metal-Complex Crystals

  島田敏宏; 山根伊知郎; 相川皆子; 田所泰志郎; 横倉聖也; 河口沙織; 門林宏和

  日本結晶学会誌, 2024

  
• Discovery of a low-symmetrized phase including a superconducting phase in CuRh₂Se₄ under high pressure

  江見方敏; 小島慶太; 塩見学; 片山尚幸; 松林和幸; 門林宏和; 河口沙織; 平尾直久; 澤博

  日本物理学会講演概要集(CD-ROM), 2023

  
• Search for high-temperature superconductors using sulfur hydride as a parent compound

  榮永茉利; 中本有紀; 清水克哉; 中野智志; 折茂慎一; 木須一彰; 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), 2023

  
• Search for Superconductivity of Iron Hydride Synthesized under High Temperature and High Pressure

  佐々木岬; 榮永茉利; 中本有紀; 清水克哉; 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), 2023

  
• High-Temperature and High-Pressure Synthesis of Aluminum-Doped Lanthanum Hydride

  清水克哉; 松本聖司; 榮永茉利; 中本有紀; 加賀山朋子; 河口沙織; 平尾直久; 大石泰生

  希土類, 2023

  
• ピエゾ素子駆動RDAC開発と相転移圧への歪み効果の検出

  遊佐斉; 平尾直久; 河口沙織; 藤久裕司

  日本結晶学会年会講演要旨集, 2023

  
• In-situ Xray diffraction during high-temperature and high-pressure treatment of SnS₂

  相川皆子; 田所泰志郎; 横倉聖也; 横倉聖也; 牧紘太郎; 三浦章; 三浦章; 河口沙織; 門林宏和; 岡健太; 島田敏宏; 島田敏宏

  応用物理学会秋季学術講演会講演予稿集(CD-ROM), 2023

  
• ダイヤモンドアンビルセルを用いた複合極限環境下における動的構造計測基盤開発

  河口沙織; 新名良介; 太田健二; 河口彰吾; 小林俊幸

  日本結晶学会年会講演要旨集, 2022

  
• Research for structure of spinel compounds CuRh₂Se₄ under high pressure

  江見方敏; 小島慶太; 塩見学; 片山尚幸; 河口沙織; 平尾直久; 澤博

  日本物理学会講演概要集(CD-ROM), 2022

  
• 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, 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; 和達大樹

  日本放射光学会年会・放射光科学合同シンポジウム(Web), 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), 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; 和達大樹

  日本物理学会講演概要集(CD-ROM), 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), 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), 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), 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.; MARTINEZ-LOPE M. J.; ABD-ELMEGUID M. M.; 小林寿夫; 小林寿夫

  日本物理学会講演概要集(CD-ROM), 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; 八木健彦; 河口沙織; 河口彰吾

  高圧討論会講演要旨集, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 2019

  
• ダイヤモンドアンビルセルを用いた高温高圧合成による炭化イットリウムY₂C₃の高T_c化

  中尾敏臣; 藤田秀紀; 川島健司; 加賀山朋子; 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, 2019

  
• トロイダル型DACを用いた超高圧発生および電気抵抗測定への応用

  中本有紀; 伊藤匠; 加良勇輔; 濱谷俊希; 坂田雅文; 清水克哉; 境毅; 河口沙織; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2019

  
• BL10XU/SPring-8でのX線広帯域化と同時計測

  大石泰生; 平尾直久; 河口沙織; 田中隆次; 田中隆次; 太田健二; 廣瀬敬

  高圧討論会講演要旨集, 2019

  
• UPd₂Cd₂₀におけるウラン価数とウラン原子間距離の圧力効果

  河村直己; 広瀬雄介; 本多史憲; 下笠諒平; 石松直樹; 水牧仁一朗; 河口沙織; 平尾直久; 三村功次郎

  日本物理学会講演概要集(CD-ROM), 2019

  
• 高温高圧力下で合成したランタン水素化物の超伝導

  坂田雅文; 榮永茉利; 清水克哉; 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), 2019

  
• 高温高圧下におけるセレン水素化物の合成と超伝導探索

  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

  日本物理学会講演概要集(CD-ROM), 2019

  
• 高温高圧下で合成されたランタン水素化物の結晶構造

  榮永茉利; 坂田雅文; 清水克哉; 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), 2019

  
• 超高圧下での物性測定に向けたダイヤモンドアンビルセルを用いた圧力発生技術開発

  中本有紀; 濱谷俊希; 武田良介; 坂田雅文; 清水克哉; 境毅; 入舩徹男; 入舩徹男; 八木健彦; 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), 2019

  
• 対称中心を持たないコバルト酸フッ化物Co₃Sb₄O₆F₆の構造相転移

  下野聖矢; 河口彰吾; 河口沙織; 市橋克哉; 西原禎文; 井上克也; 石井悠衣; 石橋広記; 久保田佳基

  日本結晶学会年会講演要旨集, 2019

  
• 圧力下超伝導におけるSrFe₂As₂の磁性と構造

  池田修悟; 池田修悟; 永澤延元; 南野良介; 大浦桃子; 岸本俊二; 亀掛川卓美; 河口沙織; 平尾直久; 大石泰生; 小林寿夫; 小林寿夫

  日本物理学会講演概要集(CD-ROM), 2018

  
• RNiO₃(R:希土類)の圧力誘起金属-絶縁体転移とNiの電子状態

  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.; MARTINEZ-LOPE M. J.; ABD-ELMEGUID M. M.; 小林寿夫; 小林寿夫

  日本物理学会講演概要集(CD-ROM), 2018

  
• 水素の圧力誘起超臨界流体相-固相転移のラマン分光とX線回折研究

  宮本椋介; 福井宏之; 赤浜裕一; 中野智志; 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), 2018

  
• 高温高圧下で単体元素から直接合成された硫黄水素化物の超伝導

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

  日本物理学会講演概要集(CD-ROM), 2018

  
• 高温高圧下で単体元素から直接合成された硫黄水素化物の結晶構造

  榮永茉利; 中尾敏臣; 北垣将臣; 坂田雅文; 清水克哉; 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), 2018

  
• 高圧下におけるX線吸収法を用いた鉄の密度測定

  鎌田誠司; 寺崎英紀; 田窪勇作; 前田郁也; 河口沙織; 平尾直久; 町田晃彦

  高圧討論会講演要旨集, 2018

  
• ナノ多結晶ダイヤモンドの圧縮挙動

  入舩徹男; 入舩徹男; 上田千晶; 境毅; 國本健広; 有本岳史; 新名亨; 門林宏和; 大藤弘明; 八木健彦; 八木健彦; 河口沙織; 河口彰吾

  高圧討論会講演要旨集, 2018

  
• 鉄系超伝導体AFe₂As₂(A:Sr,Eu)の磁性と超伝導

  池田修悟; 池田修悟; 永澤延元; 永澤延元; 岸本俊二; 亀卦川卓美; 河口沙織; 平尾直久; 大石泰生; 小林寿夫; 小林寿夫

  高圧討論会講演要旨集, 2018

  
• 水素の金属化に向けた2段式ダイヤモンドアンビルセルの最適化 II

  武田良介; 濱谷俊希; 中本有紀; 坂田雅文; 清水克哉; 境毅; 入舩徹男; 入舩徹男; 八木健彦; 河口沙織; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2018

  
• 改良型トロイダル式ダイヤモンドアンビルによる圧力発生技術の開発

  濱谷俊希; 中本有紀; 坂田雅文; 清水克哉; 境毅; 河口沙織; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2018

  
• 高圧力下におけるアルカリ土類金属ストロンチウムとバリウムの結晶構造と超伝導

  伊藤匠; 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, 2018

  
• レーザー加熱による硫黄水素化物系高温超伝導体の合成と超伝導測定

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

  高圧討論会講演要旨集, 2018

  
• BL10XUにおける高エネルギーX線集光ビームを利用した高圧X線回折

  平尾直久; 河口沙織; 大石泰生

  高圧討論会講演要旨集, 2018

  
• H₂OとFeに富んだ下部マントル環境下におけるMgCO₃の安定性

  前田郁也; 鎌田誠司; 宮島延吉; 平尾直久; 河口沙織; PETITGIRARD Sylvain; MCCAMMON Catherine; FROST Daniel; 坂巻竜也; 鈴木昭夫

  高圧討論会講演要旨集, 2018

  
• XRD測定と微分干渉顕微鏡観察によるε-Feバリアント組織の解析

  宮下大樹; 石松直樹; 甲佐美宇; 金森奨; 熊谷学人; 迫田夜空; 河口沙織

  高圧討論会講演要旨集, 2018

  
• コニカルサポート型2段式ダイヤモンドアンビルセルの開発

  境毅; 八木健彦; 門林宏和; 三守秀門; 武田良介; 濱谷俊希; 中本有紀; 河口沙織; 平尾直久; 入舩徹男; 入舩徹男

  高圧討論会講演要旨集, 2018

  
• n-hexane固体相の高圧X線回折実験

  赤浜裕一; 荒木涼馬; 大川翼; 重政和祐; 山上皓輝; 河口沙織; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2018

  
• 水素リッチ分子1,3-ジチアンの高圧力下の構造変化と導電性

  坂田雅文; 城所聡一; 中村大斗; 中本有紀; 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, 2018

  
• 超高圧X線回折によるSeとTeの構造相転移の研究

  大川直樹; 赤浜裕一; 河口沙織; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2018

  
• 第四周期元素:Zn,Ge,Asの超高圧X線回折による原子体積の研究

  紙上昂大; 赤浜裕一; 河口沙織; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2018

  
• 液体Fe-Ni-S合金の構造決定

  河口沙織; 河口彰吾; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2018

  
• 水素超臨界流体相の高圧X線回折研究

  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, 2018

  
• 新規酸フッ化物Fe₃Sb₄O₆F₆の構造相転移

  河口彰吾; 下野聖矢; 河口沙織; 石井悠衣; 石橋広記; 久保田佳基

  日本結晶学会年会講演要旨集, 2018

  
• Recent Progress on High-Temperature Superconducting Sulfur Hydride

  清水克哉; 榮永茉利; 坂田雅文; 中尾敏臣; 石河孝洋; 河口沙織; 平尾直久; 大石泰生

  高圧力の科学と技術, 2018

  
• Phase relations in the Fe-Ni-Si system at high pressure and high temperature

  生田大穣; 大谷栄治; 河口沙織; 平尾直久; 大石泰生

  日本鉱物科学会年会講演要旨(Web), 2018

  
• 収束イオンビーム加工装置を用いた高圧力発生技術の開発

  中本有紀; 武田良介; 濱谷俊希; 坂田雅文; 清水克哉; 境毅; 入舩徹男; 入舩徹男; 八木健彦; 河口沙織; 平尾直久; 大石泰生

  九州地区総合技術研究会講演・技術報告集, 2018

  
• 液体鉄ニッケル硫黄合金の密度決定

  河口沙織; MORARD Guillaume; 桑山靖弘; 廣瀬敬; 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), 2018

  
• 重い電子系化合物α‐YbAlB₄の低温における圧力・磁場下物性 II

  大浦桃子; 池田修悟; 池田修悟; 増田亮; 小林康浩; 瀬戸誠; 依田芳卓; 平尾直久; 河口沙織; 大石泰生; 鈴木慎太郎; 久我健太郎; 中辻知; 小林寿夫; 小林寿夫

  日本物理学会講演概要集(CD-ROM), 25 Sep. 2017

  
• 重い電子系化合物α-YbAlB₄の低温における圧力・磁場下物性

  大浦桃子; 池田修悟; 池田修悟; 増田亮; 小林康浩; 瀬戸誠; 依田芳卓; 平尾直久; 河口沙織; 大石泰生; 鈴木慎太郎; 久我健太郎; 中辻知; 小林寿夫; 小林寿夫

  日本物理学会講演概要集(CD-ROM), 2017

  
• Electrical resistance measurement of sulfur hydride under high pressure

  Masuda Akiyoshi; Sakata Masafumi; Einaga Mari; Shimizu Katsuya; Hirao Naohisa; Kawaguchi Saori; Ohishi Yasuo

  Meeting Abstracts of the Physical Society of Japan, 2017

  
• Formation process of high-Tc phase of sulfur hydride

  Einaga Mari; Sakata Masafumi; Masuda Akinori; Shimizu Katsuya; Hirao Naohisa; Kawaguchi Saori; Ohishi Yasuo

  Meeting Abstracts of the Physical Society of Japan, 2017

  
• Chemical doping into sulfur hydride high-T_c superconductor

  Sakata Masafumi; Nakao Harushige; Einaga Mari; Shimizu Katsuya; Kawaguchi Saori; Hirao Naohisa; Ohishi Yasuo

  Meeting Abstracts of the Physical Society of Japan, 2017

  
• Electronic States of the Ni ions of RNiO₃(R: rare earth) that show the Charge Disproportionation

  Nagasawa N.; Martinez-Lope M. J.; Abd-Elmeguid M. M.; Kobayashi H.; Ikeda S.; Kawaguchi S. I.; Hirao N.; Ohishi Y.; Hiraoka N.; Urasaki M.; Ikeno H.; Alonso J. A.

  Meeting Abstracts of the Physical Society of Japan, 2017

  
• 鉄系超伝導体SrFe₂As₂の高圧力下粉末X線回折実験

  池田修悟; 池田修悟; 永澤延元; 南野良介; 大浦桃子; 岸本俊二; 亀掛川卓美; 河口沙織; 平尾直久; 大石泰生; 小林寿夫; 小林寿夫

  日本物理学会講演概要集(CD-ROM), 2017

  
• 非弾性X線散乱による液体鉄合金の高圧下音速測定

  中島陽一; 中島陽一; 桑山靖弘; 河口沙織; 廣瀬敬; 舘野繁彦; 筒井智嗣; 内山裕士; 石川大介; BARON Alfred Q.R.

  高圧討論会講演要旨集, 2017

  
• トロイダル式ダイヤモンドアンビルによる超高圧発生技術の開発 II

  濱谷俊希; 中本有紀; 坂田雅文; 清水克哉; 小林舜典; 垂水竜一; 河口沙織; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2017

  
• 水素の金属化に向けた2段式ダイヤモンドアンビルセルの最適化

  武田良介; 濱谷俊希; 中本有紀; 坂田雅文; 清水克哉; 境毅; 入舩徹男; 入舩徹男; 八木健彦; 河口沙織; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2017

  
• 2段式ダイヤモンドアンビルセルの技術的問題点

  境毅; 八木健彦; 門林宏和; 國本健広; 大藤弘明; 平尾直久; 河口沙織; 大石泰生; 入舩徹男; 入舩徹男

  高圧討論会講演要旨集, 2017

  
• 固体水素III相のX線回折実験 III

  赤浜裕一; 紙上昂大; 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, 2017

  
• BL10XU/SPring-8におけるX線イメージングの導入

  大石泰生; 平尾直久; 河口沙織; 米山明男; 太田健二; 廣瀬敬

  高圧討論会講演要旨集, 2017

  
• 硫化水素高温超伝導体に対するリンの化学ドーピング

  坂田雅文; 中尾敏臣; 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, 2017

  
• BL10XUにおけるX線マイクロビームを利用した低温高圧X線回折測定

  平尾直久; 大石泰生; 河口沙織; 松岡岳洋

  高圧討論会講演要旨集, 2017

  
• hcp鉄の熱伝導率異方性の測定

  太田健二; 佐藤雄輝; 西原遊; 八木貴志; 廣瀬敬; 河口沙織; 平尾直久; 大石泰生

  高圧討論会講演要旨集, 2017

  
• SPring-8におけるDACを用いた高圧X線結晶構造解析

  大石泰生; 平尾直久; 河口沙織

  日本鉱物科学会年会講演要旨(Web), 2017

  
• Electronic States and Local Structure at the Ni ions of YbNiO₃ under High Pressure

  Nagasawa N.; Kobayashi H.; Ikeda S.; Kawaguchi S. I.; Hirao N.; Ohishi Y.; Hiraoka N.; Alonso J. A.; Martinez-Lope M. J.; Abd-Elmeguid M. M.

  Meeting Abstracts of the Physical Society of Japan, 2017

  
• Physical properties of heavy fermion compound α-YbAlB₄ at low temperature under pressure and magnetic fields Ⅱ

  Oura M.; Suzuki S.; Kuga K.; Nakatsuji S.; Kobayashi H.; Ikeda S.; Masuda R.; Kobayashi Y.; Seto M.; Yoda Y.; Hirao N.; Kawaguchi S. I.; Ohishi Y.

  Meeting Abstracts of the Physical Society of Japan, 2017

  
• 水銀系銅酸化物高温超伝導体Hg1201の高圧下構造解析

  石角元志; 竹下直; 舟越賢一; 山岡人志; 藤久裕司; 後藤義人; 平尾直久; 大石泰生; 河口沙織; 永崎洋; 伊豫彰

  高圧討論会講演要旨集, 2016

  
• SPring-8の高圧ビームラインの現状と将来展望

  大石泰生; 平尾直久; 肥後祐司; 丹下慶範; 河口沙織

  高圧討論会講演要旨集, 2016

  
• レーザー加熱による硫黄水素化物系高温超伝導体の合成

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

  高圧討論会講演要旨集, 2016

  
• 低温高圧下の硫化水素の結晶構造

  榮永茉利; 坂田雅文; 益田明宜; 清水克哉; 平尾直久; 河口沙織; 大石泰生

  高圧討論会講演要旨集, 2016

  
• 液体鉄硫黄合金の弾性波速度測定

  河口沙織; 中島陽一; 廣瀬敬; 駒林鉄也; 小澤春香; 舘野繁彦; 桑山靖弘; MORARD Guillaume; 内山裕士; 筒井智嗣; BARON Alfred Q.R.

  高圧討論会講演要旨集, 2016

  

Awards

• 21 Jan. 2025

  JAICI賞（一般社団法人化学情報協会）
• 02 Jun. 2024

  第26回守田科学研究奨励賞（一般社団法人大学女性協会）
• 23 Feb. 2016

  平成27年度手島精一記念研究賞博士論文賞（東京工業大学）
• 09 Nov. 2024

  日本結晶学会進歩賞

External funds: Kakenhi

• Structural analysis of deep planetary materials by development of multi-grain XRD measurement system using DAC

  Grant-in-Aid for Scientific Research (C)

  Basic Section 17040:Solid earth sciences-related

  Japan Synchrotron Radiation Research Institute

  河口 沙織

  From 01 Apr. 2024, To 31 Mar. 2027, Granted

  放射光XRD;マルチグレイン構造解析;高圧実験;ダイヤモンドアンビル;地球深部科学;ダイヤモンドアンビルセル;in-situマルチグレインXRD計測;新規相探求;結晶構造解析

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K07196/
• Elucidation of polymorphs and novel properties of SiGe alloys developed by high-pressure phase transformations

  Grant-in-Aid for Scientific Research (B)

  Basic Section 26040:Structural materials and functional materials-related

  Kyushu University

  生駒 嘉史

  From 01 Apr. 2024, To 31 Mar. 2026, Granted

  高圧相変態;準安定相;半導体材料;ダイヤモンドアンビルセル;高輝度X線回折;ラマン散乱分光;SiGe合金;結晶多形;比抵抗;熱伝導率

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K26405/
• The determination of the structure and evolution of terrestrial and planetary materials using experiments on reactions at high-pressure, high-temperature, and extremely short times

  Grant-in-Aid for Scientific Research (B)

  Basic Section 17040:Solid earth sciences-related

  Meiji University

  新名 良介

  From 01 Apr. 2024, To 31 Mar. 2027, Granted

  地球・惑星内部;天体衝突;固体地球;高温高圧力実験;X線回折測定;地球惑星物質;衝突;地球外有機物;高温高圧実験;ダイヤモンドアンビルセル;鉱物

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K25973/
• Development of sub-millisecond XRD measurement technique under combined dynamic environment using DAC

  Grant-in-Aid for Scientific Research (C)

  Basic Section 17040:Solid earth sciences-related

  Japan Synchrotron Radiation Research Institute

  Saori Kawaguchi

  From 01 Apr. 2021, To 31 Mar. 2024, Project Closed

  ダイヤモンドアンビルセル;X線回折計測技術;隕石・小惑星衝突;高温・高圧条件;その場時分割測定;時分割XRD計測;動的環境;急激加熱実験;急激加減圧実験;オペランドXRD測定;急激圧縮実験;カイネティクス;隕石衝突;始原地球;X線回折;多重極限環境;動的圧縮;オペランド測定

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K03711/
• Synthesis and Development of Room-Temperature Superconducting Device

  Grant-in-Aid for Scientific Research (S)

  Broad Section B

  Osaka University

  Katsuya Shimizu

  From 31 Aug. 2020, To 31 Mar. 2025, Project Closed

  超伝導;超高圧;超伝導デバイス;高温超伝導;高圧力合成;水素化物;微細デバイス;高圧合成

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20H05644/
• Development of real-time structure measurement system and structure visualization of nano-space under various sample environments

  Grant-in-Aid for Scientific Research (B)

  Basic Section 80040:Quantum beam science-related

  Japan Synchrotron Radiation Research Institute

  Shogo Kawaguchi

  From 01 Apr. 2020, To 31 Mar. 2023, Project Closed

  放射光粉末X線回折;試料環境制御;時間分解計測;その場構造計測;ガス雰囲気下;放射光;X線回折・散乱;ガス圧力制御下;複合試料環境下;時間分解測定;その場計測

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20H04466/
• Structure determination of liquid Fe alloys at high pressure

  Grant-in-Aid for Early-Career Scientists

  Basic Section 17040:Solid earth sciences-related

  Japan Synchrotron Radiation Research Institute

  Kawaguchi Saori

  From 01 Apr. 2018, To 31 Mar. 2021, Project Closed

  液体鉄合金;地球外核;ダイヤモンドアンビルセル;高圧実験;X線回折;XANES;PDF解析;X線回折測定;構造解析

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18K13644/
• Sound velocity and density measurements of liquid Fe-Ni-S alloys at high pressure

  Grant-in-Aid for Young Scientists (B)

  Japan Synchrotron Radiation Research Institute

  Kawaguchi Saori

  From 01 Apr. 2016, To 31 Mar. 2018, Project Closed

  地球外核組成;高圧実験;ダイヤモンドアンビルセル;X線非弾性散乱;X線全散乱;弾性波速度;密度;液体鉄合金;地球外核;X線回折;高温高圧;外核組成

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16K17799/

Academic, Social Contribution

Committee Memberships

• From Apr. 2026, To Present

  行事委員, 一般社団法人 日本結晶学会
• From Apr. 2023, To Present

  編集委員, 一般社団法人 日本結晶学会