2022

Ohashi, T., Sakamaki, T., Funakoshi, K., Hattori, T., Hisano, N., Abe, J., Suzuki, A.

Structure of basaltic glass at pressures up to 18 GPa.

American Mineralogist, 107(3), 325-335, 2022


Shiraishi, R., Muto, J., Tsunoda, A., Sawa, S., Suzuki, A.

Localized deformation of lawsonite during cold subduction.

Journal of Geophysical Research: Solid Earth, 127, e2021JB022134, 2022


Chanyshev, A., Ishii, T., Bondar, D., Bhat, S., Kim, E.J., Farla, R., Nishida, K., Liu, Z., Wang, L.,

Nakajima, A., Yan, B., Tang, H., Chen, Z., Higo, Y., Tange, Y., Katsura, T.

Depressed 660-km discontinuity caused by akimotoite–bridgmanite transition.

Nature, 601, 69-73, 2022



2021

Ohashi, T.

Quantum-Beam Earth Science and Technology, Department of Earth Science, Graduate School of

Science, Tohoku University.

The Review of High Pressure Science and Technology, 31(2), 122-123, 2022


Ito, Y., Ikeda, O., Ban, R., Kubota, T., Sakamaki, T, Kuribayashi, T., Suzuki, A.

Phase transitions of ScOOH under high pressure

High Pressure Research, 41(3), 275-289, 2021


Ohira, T., Jackson, J.M., Sturhahn, W., Finkelstein, G.J., Kawazoe, T., Toellner, T.S., Suzuki, A., Ohtani, E.

The influence of δ-(Al,Fe)OOH on seismic heterogeneities in Earth’s lower mantle

Scientific Reports, 11, 12036, 2021


Hamada, M., Kamada, S., Ohtani, E., Sakamaki, T., Mitsui, T., Masuda, R., Hirao, N., Ohishi Y., Akasaka, M.

Synchrotron Mössbauer spectroscopic and x-ray diffraction study of ferropericlase in the

high-pressure range of the lower mantle region.

Physical Review B, 103, 174108, 2021


Fuchizaki, K., Wada, T., Naruta, H., Suzuki, A., Irino, K.

A unique multianvil 6-6 assembly for a cubic-type multianvil apparatus.

Review of Scientific Instruments, 92, 025117, 2021


Hisano, N., Sakamaki, T., Ohashi, T., Funakoshi, K., Higo, Y., Shibazaki, Y., Suzuki, A.

Elastic properties and structures of pyrope glass under high pressures.

American Mineralogist, 106, 7-14, 2021



2020

Yuan, L., Steinle-Neumann, G., Suzuki, A.

Structure and density of H2O-rich Mg2SiO4 melts at high pressure from ab initio simulations.

Journal of Geophysical Research, 125, e2020JB020365, 2020


Okumura, S., Uesugi, K., Sakamaki, T., Goto, A., Uesugi, M., Takeuchi, A.

An experimental system for time-resolved x-ray diffraction of deforming silicate melt at high

temperature.

Review of Scientific Instruments, 91, 095113, 2020


Tanaka, R., Sakamaki, T., Ohtani, E., Fukui, H., Kamada, S., Suzuki, A., Tsutsui, S., Uchiyama, H.,

Baron, A.Q.R.,

The sound velocity of wüstite at high pressures: implications for low-velocity anomalies at the base

of the lower mantle.

Progress in Earth and Planetary Science, 7, 23, 2020


Aoki, K., Sakamaki, T., Ohashi, T., Ikeda, O., Suzuki, A.

Effects of alkali and alkaline-earth cations on the high-pressure sound velocities of aluminosilicate

glasses.

Physics and Chemistry of Minerals, 47, 28, 2020


Nishida, K., Shibazaki, Y., Terasaki, H., Higo, Y., Suzuki, A., Funamori, N., Hirose, K.

Effect of sulfur on sound velocity of liquid iron under Martian core conditions.

Nature Communications, 11, 1954, 2020


Takahashi, S., Ohtani, E., Sakai, T., Kamada, S., Ozawa, S., Sakamaki, T., Miyahara, M., Ito, Y.,Hirao, N.,

Ohishi, Y.

Chapter 3 - Phase and Melting Relations of Fe3C to 300 GPa and Carbon in the Core.

Geophysical Monograph Series, vol. 249 Carbon in Earth's Interior, eds. Manning, C.E., Lin, J-F,

Mao, W.L., Wiley, pp. 25-36, 2020



2019

Takahashi, S., Ohtani, E., Ikuta, D., Kamada, S., Sakamaki, T., Hirao, N., Ohishi, Y.

Thermal Equation of State of Fe3C to 327 GPa and Carbon in the Core.

Minerals, 9(12), 744, 2019


Naruta, H., Fuchizaki, K., Wakabayashi, D., Suzuki, A., Ohmura, A., Saito, H.

Do SnI4 molecules deform on heating and pressurization in the low-pressure crystalline phase?

Journal of Physics: Condensed Matter, 32, 055401, 2019


Suzuki, A.

Viscosity of K2TiSi4O11 melt at high pressure.

Journal of Mineralogical and Petrological Sciences, 114, 280-283, 2019


Ohira, I., Jackson, J.M., Solomatova, N.V., Sturhahn, W., Finkelstein, G.J., Kamada, S., Kawazoe, T.,

Maeda, F., Hirao, N., Nakano, S., Toellner, T.S., Suzuki, A., Ohtani, E.

Compressional behavior and spin state of δ-(Al,Fe)OOH at high pressures.

American Mineralogist, 114, 1273-1284, 2019


Suzuki, A.

Viscosity of melt of soda melilite composition at high pressure.

Journal of Mineralogical and Petrological Sciences, 114(1), 41-44, 2019


Nakajima, A., Sakamaki, T., Kawazoe, T., Suzuki, A.

Hydrous magnesium-rich magma genesis at the top of the lower mantle.

Scientific Reports, 9(1), 1-8, 2019


Shito, C., Okamoto, K., Sato, Y., Watanabe, R., Ohashi, T., Fuchizaki, K., Kuribayashi, T., Akio Suzuki

In-situ X-ray diffraction study on β-CrOOH at high pressure and high-temperature.

High Pressure Research, 39(3), 1477-2299, 2019


Takahashi, S., Ohtani, E., Sakamaki, T., Kamada, S., Fukui, H., Tsutsui, S., Uchiyama, H., Ishikawa, D.,

Hirao, N., Ohishi, Y., Baron, A.Q.R.

Sound velocity of Fe3C at high pressure and high temperature determined

by inelastic X-ray scattering.

Comptes Rendus Geoscience, 351(2), 190-196, 2019


Ikeda, O., Sakamaki, T., Ohashi, T., Goto, M., Higo, Y., Suzuki, A.

Sound velocity measurements of ε-FeOOH up to 24 GPa.

Journal of Mineralogical and Petrological Sciencese, 114(3), 155-160, 2019


Terasaki, H., Rivoldini, A., Shimoyama, Y., Nishida, K., Urakawa, S., Maki, M., Kurokawa, F., Takubo, Y.,

Shibazaki, Y., Sakamaki, T., Machida, A., Higo, Y., Uesugi, K., Takeuchi, A., Watanuki, T., Kondo, T.

Pressure and composition effects on sound velocity and density of core‐forming liquids:

Implication to core compositions of terrestrial planets.

Journal of Geophysical Research: Planets, 124, 22, 2019



2018

Ohashi, T., Sakamaki, T., Funakoshi, K., Suzuki, A.

Pressure-induced structural changes of basaltic glass.

Journal of Mineralogical and Petrological Sciences, 113(6), 286-292, 2018


Kishimoto, S., Urakawa, S., Terasaki, H., Kuwahara, S., Nishida, K., Sakamaki, T., Takeuchi, A., Uesugi, K.

Metal-silicate separation process in the planetary interior.

SPring-8 Section A: Scientific Research Report, 6(2), 2014B1527 / BL20XU, 2018


Urakawa, S., Kamuro, R., Suzuki, A., Kikegawa, T.

Phase relationships of the system Fe-Ni-S and structure of the high-pressure phase of (Fe1-XNiX)3S2.

Physics of the Earth and Planetary Interiors, 277, 30-37, 2018


Abe, R., Shibazaki, Y., Ozawa, S., Ohira, I., Tobe, H., Suzuki, A.

In situ X-ray diffraction studies of hydrous aluminosilicate at high pressure and temperature.

Journal of Mineralogical and Petrological Sciences, 113, 106-111, 2018


Suzuki, A.

P-V-T equation of state of rhodium oxyhydroxide.

High Pressure Research, 38, 145-152, 2018


Suzuki, A.

Effect of carbon dioxide on the viscosity of a melt of jadeite composition at high pressure.

Journal of Mineralogical and Petrological Sciences, 113, 47-50, 2018


Sakamaki, T.

Chapter 12 - Structure and Properties of Silicate Magmas.

Magmas Under Pressure, Advances in High-Pressure Experiments on Structure and Properties

of Melts, eds. Y. Kono, C. Sanloup, Elsevier, pp. 323-341, 2018


Yuan, L., Ohtani, E., Ikuta, D., Kamada, S., Tsuchiya, J., Naohisa, H., Ohishi Y., Suzuki, A.

Chemical reactions between Fe and H2O up to Megabar pressures and implications for water storage

in the Earth's mantle and core.

Geophysical Research Letters, 45, 1330-1338, 2018


Sakairi, T., Sakamaki, T., Ohtani, E., Fukui, H., Kamada, S., Tsutsui, S., Uchiyama H., Baron, A.Q.R.

Sound velocity measurements of hcp Fe-Si alloy at high pressure and high temperature

by inelastic X-ray scattering.

American Mineralogist, 103, 85-90, 2018



2017

Yuan, L., Ohtani, E., Shibazaki, Y., Ozawa, S., Jin, Z. Suzuki, A., Frost, D.J.

The stability of anhydrous phase B, Mg14Si5O24, at mantle transition zone conditions.

Physics and Chemistry of Minerals, 45, 523-531, 2017


Sakamaki, T.

Density of hydrous magma.

Chemical Geology, 475, 135-139, 2017


Sakamaki, T.

Density of jadeite melts under high pressure and high temperature conditions.

Journal of Mineralogical and Petrological Sciences, 112, 300-307, 2017


Kawazoe, T., Ohira, T., Ishii, T., Ballaran, T.B., McCammon, C., Suzuki, A., Ohtani, E.

Single crystal synthesis of δ-(Al,Fe)OOH.

American Mineralogist, 102, 1953-1956, 2017


Sakamaki, T., Ohtani, E., Fukui, H., Baron, A.Q.R.

Compressional sound velocity of hexagonal close-packed iron up to 163 GPa and 3000 K.

Earth and Planetary Science, Research Frontiers 2016, 92-93, 2017


Sakairi, T., Ohtani, E., Kamada, S., Sakai, T., Sakamaki, T., Hirao, N.

Melting relations in the Fe-S-Si system at high pressure and temperature: implications for the

planetary core.

Progress in Earth and Planetary Science, 4, 10, 2017


Sakamaki, T.

Properties of magma at high pressure: Understanding the magma behavior in the Earth.

Japanese Magazine of Mineralogical and Petrological Sciences, 46, 30-34, 2017


Fukuyama, K., Ohtani, E., Shibazaki, Y., Kagi, H., Suzuki, A.

Stability field of phase Egg, AlSiO3OH at high pressure and high temperature: possible water

reservoir in mantle transition zone.

Journal of Mineralogical and Petrological Sciences, 112, 31-35, 2017.


Maeda, F., Ohtani, E., Kamada, S., Sakamaki, T., Hirao, N., Ohishi, Y.

Diamond formation in the deep lower mantle: a high-pressure reaction of MgCO3 and SiO2.

Scientific Reports, 7, 40602, 2017



2016

Sakamaki, T., Suzuki, A., Mysen, B.O.

Preface for the article collection “High-Pressure Earth and Planetary Science in the last and

next decade”

Progress in Earth and Planetary Science, 3, 38, 2016


Ohira, I., Murakami, M., Kohara, S., Ohara, K., Ohtani, E.

Ultrahigh-pressure acoustic wave velocities of SiO2-Al2O3 glasses up to 200 GPa.

Progress in Earth and Planetary Science, 3, 18, 2016


Suzuki, A.

Pressure-volume-temperature equation of state of ε-FeOOH to 11 GPa and 700 K.

Journal of Mineralogical and Petrological Sciences, 111, 420-424, 2016


Dymshits, A.M., Dorogokupets, P.I., Sharygin, I.S., Litasov, K.D., Shatskiy, A., Rashchenko, S.V., Ohtani, E.,

Suzuki, A., Higo, Y.

Thermoelastic properties of chromium oxide Cr2O3 (eskolaite) at high pressures and temperatures.

Physics and Chemistry of Minerals, 43, 447-458, 2016


Fukui, H., Yoneda, A., Nakatsuka, A., Tsujino, N., Kamada, S., Ohtani, E., Shatskiy, A., Hirao, N.,

Tsutsui, S., Uchiyama, H., Baron, A.Q.R

Effect of cation substitution on bridgmanite elasticity: A key to interpret seismic anomalies

in the lower mantle.

Scientific Reports, 6, 33337, 2016


Yoshino, T., Kamada, S., Zhao, C., Ohtnai, E., Hirao, N.

Electrical conductivity model of Al-bearing bridgmanite with implications for the electrical structure

of the Earth's lower mantle.

Earth and Planetary Science Letters, 434, 208-219, 2016


Hamada, M., Kamada, S., Ohtani, W., Mitsui, T., Masuda, R., Sakamaki, T., Suzuki, N., Maeda, F.,

Akasaka, M.

Magnetic and spin transitions in wüstite: A synchrotron Mössbauer spectroscopic study.

Physical Review B, 93, 155-165, 2016


Nishida, K., Suzuki, A., Terasaki, H., Shibazaki, Y., Higo, Y., Kuwabara, S., Shimoyama, Y., Sakurai, M.,

Ushioda, M., Takahashi, E., Kikgawa, T., Wakabayashi, D., Nobumasa, F.

Towards a consensus on the pressure and composition dependence of sound velocity in the liquid

Fe-S system.

Physics of the Earth and Planetary Interiors, 257, 230-239, 2016


Sakamaki, T., Ohtani, E., Fukui, H., Kamada, S., Takahashi, S., Sakairi, T., Takahata, S., Sakai, T.,

Tsutsui, S., Ishikawa, D., Shiraishi, R., Seto, Y., Tsuchiya, T., Boron, A.Q.R.

Constraints on Earth's inner core composition inferred from measurements of the sound velocity of

hcp-iron in extreme conditions.

Science Advances, 2(2), e1500802, 2016


Kuwabara, S., Terasaki, H., Nishida, K., Shimoyama, Y., Kubota, Y., Higo, Y., Shibazaki, Y., Urakawa, S.,

Uesugi, K., Takeuchi, A., Kondo, T.

Sound velocity and elastic properties of Fe-Ni and Fe-Ni-C liquids at high pressure.

Physics and Chemistry of Minerals, 43, 229-236, 2016


Fei, Y., Murphy, C., Shibazaki, Y., Shaha, A., Huang, H.

Thermal equation of state of hcp-iron: Constraint on the density deficit of Earth's solid inner core.

Geophysical Research Letters, 43, 6837-6843, 2016


Hiroi, Y., Miyamoto, T.

Relationship between eruptive style and vesicularity of juvenile clasts during eruptive episode A of

Towada Volcano, Northeast Japan.

Journal of Volcanology and Geothermal Research, 325, 86-97, 2016


Kono, Y., Kenney-Benson, C., Ikuta, D., Shibazaki, Y., Wang, Y., Shen, G.

Ultrahigh-pressure polyamorphism in GeO2 glass with coordinating number >6.

Proceedings of the National Academy of Sciences of the United States of America, 113(13),

3436-3441, 2016


Shibazaki, Y., Nishida, K., Higo, Y., Igarashi, M., Tahara, M., Sakamaki, T., Terasaki, H., Shimoyama, Y.,

Kuwabara, S., Takubo, Y., Ohtani, E.

Compressional and shear wave velocities of polycrystalline bcc-Fe up to 6.3 GPa and 800 K.

American Mineralogist, 101, 1150-1160, 2016