Single crystal elasticity of iron-bearing bridgmanite under lower-mantle conditions by the inelastic x-ray scattering method

• Project/Area Number: 19H02004
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Review Section: Basic Section 17040:Solid earth sciences-related
• Research Institution: Japan Synchrotron Radiation Research Institute (2022); University of Hyogo (2019-2021)
• Principal Investigator: FUKUI Hiroshi 公益財団法人高輝度光科学研究センター, 精密分光推進室, テニュアトラック研究員 (90397901)
• Co-Investigator(Kenkyū-buntansha): 米田 明 大阪大学, 大学院理学研究科, 招へい研究員 (10262841) ; 芳野 極 岡山大学, 惑星物質研究所, 教授 (30423338) ; 中塚 晃彦 山口大学, 大学院創成科学研究科, 准教授 (80294651) ; 鎌田 誠司 東北大学, 理学(系)研究科(研究院), その他 (30611793)
• Project Period (FY): 2019-04-01 – 2023-03-31
• Project Status: Completed (Fiscal Year 2022)
• Budget Amount: ¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000); Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2020: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000); Fiscal Year 2019: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
• Keywords: ブリッジマナイト / 弾性波速度 / X線非弾性散乱 / 下部マントル / 単結晶 / ダイヤモンドアンビルセル / 高温高圧 / 高温 / 高圧

Outline of Research at the Start

地球内部の物質科学的な構造を理解するためには、観測により知られている地震波速度構造と、地球内部条件で測定された地球を構成する鉱物の弾性波速度を比較する必要がある。本研究では、地球下部マントルの主要構成物質として考えられている含鉄ブリッジマナイトの単結晶を試料とし、X線非弾性散乱法により弾性波速度を測定する。得られたデータに基づき、下部マントルの地震波構造の特徴（地域性や異方性）に対する
物質科学的モデルを構築する。

Outline of Final Research Achievements

Iron-bearing bridgmanite is one of main components of the Earth's lower mantle. The single crystal elasticity of this material under the lower mantle conditions is essential to understand the lower mantle from the viewpoint of material sciences. There are several techniques to determine elastic property of materials. We have used inelastic x-ray scattering (IXS) technique which can be adopted to opaque and tiny single crystal under extreme conditions. We have performed the synthesis and characterization of iron-bearing bridgmanite single crystals and developed IXS techniques on high-pressure single crystals in parallel. Finally, we have obtained precious data on the single crystal elasticity of the iron-bearing bridgmanites under high-pressure conditions.

Academic Significance and Societal Importance of the Research Achievements

含鉄ブリッジマナイトは下部マントル主要構成物質である。下部マントル条件下での単結晶弾性率は地球下部マントルを物質科学的に理解するために必要不可欠な物理量である。

Research Products

• [Journal Article] Lattice constants and magnetism of L10-ordered FePt under high pressure (2023)
  • Author(s): Sawada S.、Okai K.、Fukui H.、Takahashi R.、Ishimatsu N.、Maruyama H.、Kawamura N.、Kawaguchi S.、Hirao N.、Seki T.、Takanashi K.、Ohmura S.、Wadati H.
  • Journal Title: Applied Physics Letters Volume: 122 Issue: 15 Pages: 152406-152406
  • DOI: 10.1063/5.0139441
  • Peer Reviewed
• [Journal Article] Sound velocity of hexagonal close-packed iron to the Earth’s inner core pressure (2022)
  • Author(s): Ikuta Daijo、Ohtani Eiji、Fukui Hiroshi、Sakai Takeshi、Ishikawa Daisuke、Baron Alfred Q. R.
  • Journal Title: Nature Communications Volume: 13 Issue: 1 Pages: 1-8
  • DOI: 10.1038/s41467-022-34789-2
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Sound Velocity Measurements of B2‐Fe‐Ni‐Si Alloy Under High Pressure by Inelastic X‐Ray Scattering: Implications for the Composition of Earth's Core (2022)
  • Author(s): Dominijanni S.、McCammon C. A.、Ohtani E.、Ikuta D.、Sakamaki T.、Ishii T.、Criniti G.、Dubrovinsky L. S.、Khandarkhaeva S.、Fedotenko T.、Glazyrin K.、Uchiyama H.、Fukui H.、Baron A. Q. R.
  • Journal Title: Geophysical Research Letters Volume: 49 Issue: 15
  • DOI: 10.1029/2021gl096405
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Single crystal elasticity and equation of state of tantalum up to 54 GPa (2022)
  • Author(s): Fukui Hiroshi、Yoneda Akira、Kamada Seiji、Uchiyama Hiroshi、Hirao Naohisa、Baron Alfred Q. R.
  • Journal Title: Journal of Applied Physics Volume: 132 Issue: 5 Pages: 055902-055902
  • DOI: 10.1063/5.0089667
  • Peer Reviewed / Open Access
• [Journal Article] Equation of states for dense ice up to 80 GPa at low-temperature conditions (2022)
  • Author(s): Hiroshi Fukui, Hirokazu Kadobayashi, Hirotaka Abe, Ryunosuke Takahashi, Hiroki Wadati, Naohisa Hirao
  • Journal Title: The Journal of Chemical Physics Volume: 156 Issue: 6 Pages: 064504-064504
  • DOI: 10.1063/5.0084278
  • Peer Reviewed
• [Journal Article] Incorporation mechanism of Fe and Al into bridgmanite in a subducting mid-ocean ridge basalt and its crystal chemistry (2021)
  • Author(s): Nakatsuka Akihiko、Fukui Hiroshi、Kamada Seiji、Hirao Naohisa、Ohkawa Makio、Sugiyama Kazumasa、Yoshino Takashi
  • Journal Title: Scientific Reports Volume: 11 Issue: 1 Pages: 22839-22839
  • DOI: 10.1038/s41598-021-00403-6
  • Peer Reviewed / Open Access
• [Journal Article] Physical properties of YB66 and consideration of possible use for high-resolution X-ray optics (2021)
  • Author(s): D. Bessas, H. Fukui, K. Sugimoto, K. Glazyrin, I. Sergueev, G. Levchenko, A. Dukhnenko, V. Filipov, O. Isnard, D. Ishikawa, H. Yoshikawa, O. Sakata, A. Q. R. Baron
  • Journal Title: Journal of Applied Physics Volume: 130 Issue: 2 Pages: 025105-025105
  • DOI: 10.1063/5.0054482
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] XAFS and XRD study on Fe, Ni, and Ge in iron meteorite NWA 859 (2021)
  • Author(s): Huimin Shao, Hiroshi Isobe, Ginga Kitahara, Hiroshi Fukui, Akira Yoshiasa
  • Journal Title: Physics and Chemistry of Minerals Volume: 48 Issue: 3 Pages: 11-11
  • DOI: 10.1007/s00269-021-01136-8
  • Peer Reviewed
• [Journal Article] Elasticity of single-crystal NaCl under high-pressure: simultaneous measurement of x-ray inelastic scattering and diffraction (2020)
  • Author(s): Fukui Hiroshi、Yoneda Akira、Kamada Seiji、Uchiyama Hiroshi、Tsutsui Satoshi、Hirao Naohisa、Baron Alfred Q. R.
  • Journal Title: High Pressure Research Volume: 40 Issue: 4 Pages: 465-477
  • DOI: 10.1080/08957959.2020.1806260
  • Peer Reviewed
• [Journal Article] Structure change of monoclinic ZrO2 baddeleyite involving softenings of bulk modulus and atom vibrations (2019)
  • Author(s): Fukui Hiroshi、Fujimoto Manato、Akahama Yuichi、Sano-Furukawa Asami、Hattori Takanori
  • Journal Title: Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials Volume: 75 Issue: 4 Pages: 742-749
  • DOI: 10.1107/s2052520619007923
  • Peer Reviewed
• [Journal Article] First-principles calculations of the epsilon phase of solid oxygen (2019)
  • Author(s): Anh Le The、Wada Masahiro、Fukui Hiroshi、Kawatsu Tsutomu、Iitaka Toshiaki
  • Journal Title: Scientific Reports Volume: 9 Issue: 1 Pages: 8731-8731
  • DOI: 10.1038/s41598-019-45314-9
  • Peer Reviewed / Open Access
• [Journal Article] Electronic structure of dense solid oxygen from insulator to metal investigated with X-ray Raman scattering (2019)
  • Author(s): Fukui Hiroshi、Anh Le The、Wada Masahiro、Hiraoka Nozomu、Iitaka Toshiaki、Hirao Naohisa、Akahama Yuichi、Irifune Tetsuo
  • Journal Title: Proceedings of the National Academy of Sciences Volume: 116 Issue: 43 Pages: 21385-21391
  • DOI: 10.1073/pnas.1905771116
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] H‐D Interdiffusion in Single‐Crystal Olivine: Implications for Electrical Conductivity in the Upper Mantle (2019)
  • Author(s): Sun Wei、Yoshino Takashi、Kuroda Minami、Sakamoto Naoya、Yurimoto Hisayoshi
  • Journal Title: Journal of Geophysical Research: Solid Earth Volume: 124 Issue: 6 Pages: 5696-5707
  • DOI: 10.1029/2019jb017576
  • NAID: 120006769956
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Presentation] Single Crystal Elasticity by Inelastic X-ray Scattering udner extreme conditions (2022)
  • Author(s): Hiroshi FUKUI
  • Organizer: The 12th International Conference on Inelastic X-ray Scattering - IXS2022
  • Int'l Joint Research / Invited
• [Presentation] X-ray Raman Scattering on high-pressure samples: so far and the future (2022)
  • Author(s): Hiroshi FUKUI
  • Organizer: 第63回高圧討論会
• [Presentation] Single crystal elasticity of minerals under high-pressure conditions determined by inelastic x-ray scattering (2020)
  • Author(s): 福井 宏之、米田 明、鎌田 誠司、Baron Alfred
  • Organizer: JpGU-AGU Joint Meeting 2020
  • Int'l Joint Research / Invited
• [Presentation] X線非弾性散乱によるNaCl B1相の単結晶弾性定数の圧力変化 (2020)
  • Author(s): 福井宏之， 米田明, 鎌田誠司, 内山裕士, 平尾直久, バロンアルフレッド
  • Organizer: 第61回高圧討論会
• [Presentation] 固体酸素の電子状態変化 (2019)
  • Author(s): 福井宏之・Le The Anh・和田正弘・平岡望・飯高敏晃・平尾直久・赤浜裕一・入舩徹男
  • Organizer: 第60回高圧討論会
• [Presentation] 高温高圧単結晶IXSに向けた温度圧力発生技術開発 (2019)
  • Author(s): 福井宏之・米田明・鎌田誠司・平尾直久・辻野典秀・内山裕士
  • Organizer: 第60回高圧討論会
• [Presentation] 高温高圧下におけるFe3S の音速 (2019)
  • Author(s): 鎌田 誠司・寺崎 英紀・福井 宏之・坂巻 竜也・内山 裕士・筒井 智嗣・大谷 栄治・BARON Alfred
  • Organizer: 第60回高圧討論会
• [Presentation] 高温高圧条件下におけるFe-Ni 合金の音速- 密度関係 (2019)
  • Author(s): 坂巻 竜也・大谷 栄治・福井 宏之・鎌田 誠司・BARON Alfred
  • Organizer: 第60回高圧討論会
• [Presentation] 高温高圧条件下におけるFe-Ni 合金の音速- 密度関係 (2019)
  • Author(s): 池田 理・坂巻 竜也・福井 宏之・内山 裕士・BARON Alfred Q.R. ・鈴木 昭夫
  • Organizer: 第60回高圧討論会
• [Presentation] 単斜晶ハフニアの高圧下の弾性ソフト化 (2019)
  • Author(s): 赤浜 裕一・福井 宏之・河口 沙織・平尾 直久・大石 泰生
  • Organizer: 第60回高圧討論会
• [Presentation] Sound velocity measurement of Fe-Ni-Si alloys at high pressure and high temperature (2019)
  • Author(s): 生田 大穣・大谷 栄治・坂巻 竜也・福井 宏之・内山 裕士・筒井 智嗣・BARON Alfred Q. R.
  • Organizer: 第60回高圧討論会
• [Presentation] Electronic structure of dense solid oxygen from insulator to metal (2019)
  • Author(s): Hiroshi Fukui, Le Te Anh, Masahiro Wada, Nozomu Hiraoka, Toshiaki Iitaka, Naohisa Hirao, Yuichi Akahama, Tetsuo Irifune
  • Organizer: 第27回AIRAPT高圧科学技術国際会議
  • Int'l Joint Research