Growth of submillimeter SrTaO<inf>2</inf>N single crystals by an NH<inf>3</inf>-assisted SrCl<inf>2</inf> flux method

Ginji Harada, Ryosuke Sinmyo, Shuhou Maitani, Tomoaki Watanabe, Mirabbos Hojamberdiev, Kitaru Suzuki, Hajime Wagata

Dalton Transactions   2023

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 )   2022.5

Discovery of Elgoresyite, (Mg,Fe)5Si2O9: Implications for Novel Iron-Magnesium Silicates in Rocky Planetary Interiors

Luca Bindi, Ryosuke Sinmyo, Elena Bykova, Sergey V. Ovsyannikov, Catherine McCammon, Ilya Kupenko, Leyla Ismailova, Leonid Dubrovinsky, Xiande Xie

ACS Earth and Space Chemistry   5 ( 8 )   2124 - 2130   2021.8

Anomalous compressibility in (Fe,Al)-bearing bridgmanite: implications for the spin state of iron

Yoshiyuki Okuda, Kenji Ohta, Ryosuke Sinmyo, Kei Hirose, Yasuo Ohishi

PHYSICS AND CHEMISTRY OF MINERALS   47 ( 9 )   2020.9

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

Yoichi Nakajima, Saori I. 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   125 ( 6 )   2020.6

Discovery of New-Structured Post-Spinel MgFe<inf>2</inf>O<inf>4</inf>: Crystal Structure and High-Pressure Phase Relations Reviewed

Takayuki Ishii, Nobuyoshi Miyajima, Ryosuke Sinmyo, Hiroshi Kojitani, Daisuke Mori, Yoshiyuki Inaguma, Masaki Akaogi

Geophysical Research Letters   47 ( 6 )   2020.3

A portable on-Axis laser-heating system for near-90° X-ray spectroscopy: Application to ferropericlase and iron silicide Reviewed

Georg Spiekermann, Ilya Kupenko, Sylvain Petitgirard, Manuel Harder, Alexander Nyrow, Christopher Weis, Christian Albers, Nicole Biedermann, Lelia Libon, Christoph J. Sahle, Valerio Cerantola, Konstantin Glazyrin, Zuzana Konopkova, Ryosuke Sinmyo, Wolfgang Morgenroth, Ilya Sergueev, Hasan Yavas, Leonid Dubrovinsky, Metin Tolan, Christian Sternemann, Max Wilke

Journal of Synchrotron Radiation   27   414 - 424   2020.3

Effect of Fe³⁺ on Phase Relations in the Lower Mantle: Implications for Redox Melting in Stagnant Slabs Reviewed

Ryosuke Sinmyo, Yoichi Nakajima, Catherine A. McCammon, Nobuyoshi Miyajima, Sylvain Petitgirard, Robert Myhill, Leonid Dubrovinsky, Daniel J. Frost

Journal of Geophysical Research: Solid Earth   124 ( 12 )   12484 - 12497   2019.12

The stability of Fe5O6 and Fe4O5 at high pressure and temperature Reviewed

Koutaro Hikosaka, Ryosuke Sinmyo, Kei Hirose, Takayuki Ishii, Yasuo Ohishi

American Mineralogist   104 ( 9 )   1356 - 1359   2019.9

Effect of spin transition of iron on the thermal conductivity of (Fe, Al)-bearing bridgmanite Reviewed

Yoshiyuki Okuda, Kenji Ohta, Ryosuke Sinmyo, Kei Hirose, Takashi Yagi, Yasuo Ohishi

Earth and Planetary Science Letters   520   188 - 198   2019.8

Melting experiments on the Fe–C binary system up to 255 GPa: Constraints on the carbon content in the Earth's core Reviewed

Izumi Mashino, Francesca Miozzi, Kei Hirose, Guillaume Morard, Ryosuke Sinmyo

Earth and Planetary Science Letters   515   135 - 144   2019.6

Melting Experiments on Liquidus Phase Relations in the Fe-S-O Ternary System Under Core Pressures Reviewed

Shunpei Yokoo, Kei Hirose, Ryosuke Sinmyo, Shoh Tagawa

Geophysical Research Letters   46 ( 10 )   5137 - 5145   2019.5

Hydrogen Limits Carbon in Liquid Iron Reviewed

Kei Hirose, Shoh Tagawa, Yasuhiro Kuwayama, Ryosuke Sinmyo, Guillaume Morard, Yasuo Ohishi, Hidenori Genda

Geophysical Research Letters   46 ( 10 )   5190 - 5197   2019.5

Phase relations in the system Fe–Ni–Si to 200 GPa and 3900 K and implications for Earth's core Reviewed

Tetsuya Komabayashi, Giacomo Pesce, Ryosuke Sinmyo, Takaaki Kawazoe, Helene Breton, Yuta Shimoyama, Konstantin Glazyrin, Zuzana Konôpková, Mohamed Mezouar

Earth and Planetary Science Letters   512   83 - 88   2019.4

Melting curve and equation of state of β-Fe7 N3 : Nitrogen in the core? Reviewed

Mayu Kusakabe, Kei Hirose, Ryosuke Sinmyo, Yasuhiro Kuwayama, Yasuo Ohishi, George Helffrich

Journal of Geophysical Research: Solid Earth   124 ( 4 )   3448 - 3457   2019.3

Melting curve of iron to 290 GPa determined in a resistance-heated diamond-anvil cell Reviewed

Ryosuke Sinmyo, Kei Hirose, Yasuo Ohishi

Earth and Planetary Science Letters   510   45   2019.3

Melting temperature of iron determined in an internal-resistance-heated diamond-anvil cell

Ryosuke Sinmyo, Kei Hirose, Yasuo Ohishi

Review of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu   29 ( 2 )   113 - 120   2019

Experimental Determination of Eutectic Liquid Compositions in the MgO-SiO2 System to the Lowermost Mantle Pressures Reviewed

Keisuke Ozawa, Miyuki Anzai, Kei Hirose, Ryosuke Sinmyo, Shigehiko Tateno

Geophysical Research Letters   45 ( 18 )   9552   2018.9

Melting experiments on Fe-Si-S alloys to core pressures: Silicon in the core? Reviewed

Tateno Shigehiko, Hirose Kei, Sinmyo Ryosuke, Morard Guillaume, Hirao Naohisa, Ohishi Yasuo

AMERICAN MINERALOGIST   103 ( 5 )   742 - 748   2018.5

Perovskite in Earth's deep interior Reviewed

Kei Hirose, Ryosuke Sinmyo, John Hernlund

SCIENCE   358 ( 6364 )   734 - 738   2017.11

Synthesis and crystal structure of LiNbO3-type Mg3Al2Si3O12: A possible indicator of shock conditions of meteorites Reviewed

Takayuki Ishii, Ryosuke Sinmyo, Tetsuya Komabayashi, Tiziana Boffa Ballaran, Takaaki Kawazoe, Nobuyoshi Miyajima, Kei Hirose, Tomoo Katsura

AMERICAN MINERALOGIST   102 ( 9 )   1947 - 1952   2017.9

The effect of iron and aluminum incorporation on lattice thermal conductivity of bridgmanite at the Earth's lower mantle Reviewed

Yoshiyuki Okuda, Kenji Ohta, Takashi Yagi, Ryosuke Sinmyo, Tatsuya Wakamatsu, Kei Hirose, Yasuo Ohishi

EARTH AND PLANETARY SCIENCE LETTERS   474   25 - 31   2017.9

The spin state of Fe3+ in lower mantle bridgmanite Reviewed

Ryosuke Sinmyo, Catherine McCammon, Leonid Dubrovinsky

AMERICAN MINERALOGIST   102 ( 6 )   1263 - 1269   2017.6

Critical behavior of Mg1-xFexO at the pressure-induced iron spin-state crossover Reviewed

K. Glazyrin, R. Sinmyo, E. Bykova, M. Bykov, V. Cerantola, M. Longo, C. McCammon, Vitali B. Prakapenka, Leonid Dubrovinsky

PHYSICAL REVIEW B   95 ( 21 )   2017.6

Melting experiments on Fe-Fe3S system to 254 GPa Reviewed

Yuko Mori, Haruka Ozawa, Kei Hirose, Ryosuke Sinmyo, Shigehiko Tateno, Guillaume Morard, Yasuo Ohishi

EARTH AND PLANETARY SCIENCE LETTERS   464   135 - 141   2017.4

Crystallization of silicon dioxide and compositional evolution of the Earth's core Reviewed

Kei Hirose, Guillaume Morard, Ryosuke Sinmyo, Koichio Umemoto, John Hernlund, George Helffrich, Stephane Labrosse

NATURE   543 ( 7643 )   99 - +   2017.3

Electrical conductivity of NaCl-bearing aqueous fluids to 600 degrees C and 1 GPa Reviewed

Ryosuke Sinmyo, Hans Keppler

CONTRIBUTIONS TO MINERALOGY AND PETROLOGY   172 ( 1 )   2017.1

Sound velocities of skiagite–iron–majorite solid solution to 56 GPa probed by nuclear inelastic scattering Reviewed

Vasiukov D.M, Ismailova L, Kupenko I, Cerantola V, Sinmyo R, Glazyrin K, McCammon C, Chumakov A.I, Dubrovinsky L, Dubrovinskaia N

Physics and Chemistry of Minerals   1 - 8   2017

Discovery of Fe7O9: a new iron oxide with a complex monoclinic structure Reviewed

Ryosuke Sinmyo, Elena Bykova, Sergey V. Ovsyannikov, Catherine McCammon, Ilya Kupenko, Leyla Ismailova, Leonid Dubrovinsky

SCIENTIFIC REPORTS   6   2016.9

Stability of Fe,Al-bearing bridgmanite in the lower mantle and synthesis of pure Fe-bridgmanite Reviewed

Leyla Ismailova, Elena Bykova, Maxim Bykov, Valerio Cerantola, Catherine McCammon, Tiziana Boffa Ballaran, Andrei Bobrov, Ryosuke Sinmyo, Natalia Dubrovinskaia, Konstantin Glazyrin, Hanns-Peter Liermann, Ilya Kupenko, Michael Hanfland, Clemens Prescher, Vitali Prakapenka, Volodymyr Svitlyk, Leonid Dubrovinsky

SCIENCE ADVANCES   2 ( 7 )   2016.7

Sound velocities of bridgmanite from density of states determined by nuclear inelastic scattering and first-principles calculations Reviewed

Catherine McCammon, Razvan Caracas, Konstantin Glazyrin, Vasily Potapkin, Anastasia Kantor, Ryosuke Sinmyo, Clemens Prescher, Ilya Kupenko, Aleksandr Chumakov, Leonid Dubrovinsky

PROGRESS IN EARTH AND PLANETARY SCIENCE   3   2016.4

Fate of MgSiO3 melts at core-mantle boundary conditions Reviewed

Sylvain Petitgirard, Wim J. Malfait, Ryosuke Sinmyo, Ilya Kupenko, Louis Hennet, Dennis Harries, Thomas Dane, Manfred Burghammer, Dave C. Rubie

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA   112 ( 46 )   14186 - 14190   2015.11

Oxidation state of the lower mantle: In situ observations of the iron electronic configuration in bridgmanite at extreme conditions Reviewed

I. Kupenko, C. McCammon, R. Sinmyo, V. Cerantola, V. Potapkin, A. I. Chumakov, A. Kantor, R. Rueffer, L. Dubrovinsky

EARTH AND PLANETARY SCIENCE LETTERS   423   78 - 86   2015.8

High Poisson's ratio of Earth's inner core explained by carbon alloying Reviewed

C. Prescher, L. Dubrovinsky, E. Bykova, I. Kupenko, K. Glazyrin, A. Kantor, C. McCammon, M. Mookherjee, Y. Nakajima, N. Miyajima, R. Sinmyo, V. Cerantola, N. Dubrovinskaia, V. Prakapenka, R. Rueffer, A. Chumakov, M. Hanfland

NATURE GEOSCIENCE   8 ( 3 )   220 - 223   2015.3

Crystal chemistry of Fe3+-bearing (Mg, Fe)SiO3 perovskite: a single-crystal X-ray diffraction study Reviewed

Ryosuke Sinmyo, Elena Bykova, Catherine McCammon, Ilya Kupenko, Vasily Potapkin, Leonid Dubrovinsky

PHYSICS AND CHEMISTRY OF MINERALS   41 ( 6 )   409 - 417   2014.6

Lower mantle electrical conductivity based on measurements of Al, Fe-bearing perovskite under lower mantle conditions Reviewed

R. Sinmyo, G. Pesce, E. Greenberg, C. McCammon, L. Dubrovinsky

EARTH AND PLANETARY SCIENCE LETTERS   393   165 - 172   2014.5

Lower mantle electrical conductivity based on measurements of Al, Fe-bearing perovskite under lower mantle conditions Reviewed

R. Sinmyo, G. Pesce, E. Greenberg, C. McCammon, L. Dubrovinsky

EARTH AND PLANETARY SCIENCE LETTERS   393   165 - 172   2014.5

The influence of solid solution on elastic wave velocity determination in (Mg,Fe)O using nuclear inelastic scattering Reviewed

R. Sinmyo, K. Glazyrin, C. McCammon, I. Kupenko, A. Kantor, V. Potapkin, A. I. Chumakov, R. Rueffer, L. Dubrovinsky

PHYSICS OF THE EARTH AND PLANETARY INTERIORS   229   16 - 23   2014.4

Electronic spin state of Fe,Al-containing MgSiO3 perovskite at lower mantle conditions Reviewed

I. Kupenko, C. McCammon, R. Sinmyo, C. Prescher, A. I. Chumakov, A. Kantor, R. Rueffer, L. Dubrovinsky

LITHOS   189   167 - 172   2014.2

Iron spin state in silicate glass at high pressure: Implications for melts in the Earth's lower mantle Reviewed

C. Prescher, C. Weigel, C. McCammon, O. Narygina, V. Potapkin, I. Kupenko, R. Sinmyo, A. I. Chumakov, L. Dubrovinsky

EARTH AND PLANETARY SCIENCE LETTERS   385   130 - 136   2014.1

Iron spin state in silicate perovskite at conditions of the Earth's deep interior Reviewed

Catherine McCammon, Konstantin Glazyrin, Anastasia Kantor, Innokenty Kantor, Ilya Kupenko, Olga Narygina, Vasily Potapkin, Clemens Prescher, Ryosuke Sinmyo, Alexandr Chumakov, Rudolf Rueffer, Ilya Sergueev, Gennady Smirnov, Leonid Dubrovinsky

HIGH PRESSURE RESEARCH   33 ( 3 )   663 - 672   2013.8

Iron partitioning in pyrolitic lower mantle Reviewed

Ryosuke Sinmyo, Kei Hirose

PHYSICS AND CHEMISTRY OF MINERALS   40 ( 2 )   107 - 113   2013.2

Effect of iron oxidation state on the electrical conductivity of the Earth's lower mantle Reviewed

V. Potapkin, C. McCammon, K. Glazyrin, A. Kantor, I. Kupenko, C. Prescher, R. Sinmyo, G. V. Smirnov, A. I. Chumakov, R. Rueffer, L. Dubrovinsky

NATURE COMMUNICATIONS   4   2013.2

Portable double-sided laser-heating system for Mossbauer spectroscopy and X-ray diffraction experiments at synchrotron facilities with diamond anvil cells Reviewed

I. Kupenko, L. Dubrovinsky, N. Dubrovinskaia, C. McCammon, K. Glazyrin, E. Bykova, T. Boffa Ballaran, R. Sinmyo, A. I. Chumakov, V. Potapkin, A. Kantor, R. Rueffer, M. Hanfland, W. Crichton, M. Merlini

REVIEW OF SCIENTIFIC INSTRUMENTS   83 ( 12 )   2012.12

The valence state and partitioning of iron in the Earth's lowermost mantle Reviewed

Ryosuke Sinmyo, Kei Hirose, Shunsuke Muto, Yasuo Ohishi, Akira Yasuhara

JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH   116 ( 7 )   2011.7

The Soret diffusion in laser-heated diamond-anvil cell Reviewed

Ryosuke Sinmyo, Kei Hirose

PHYSICS OF THE EARTH AND PLANETARY INTERIORS   180 ( 3-4 )   172 - 178   2010.6

The advanced ion-milling method for preparation of thin film using ion slicer: Application to a sample recovered from diamond-anvil cell Reviewed

Shigehiko Tateno, Ryosuke Sinmyo, Kei Hirose, Hideo Nishioka

REVIEW OF SCIENTIFIC INSTRUMENTS   80 ( 1 )   2009.1

Ferric iron content in (Mg,Fe)SiO3 perovskite and post-perovskite at deep lower mantle conditions Reviewed

Ryosuke Sinmyo, Haruka Ozawa, Kei Hirose, Akira Yasuhara, Noriaki Endo, Nagayoshi Sata, Yasuo Ohishi

AMERICAN MINERALOGIST   93 ( 11-12 )   1899 - 1902   2008.11

Partitioning of iron between perovskite/postperovskite and ferropericlase in the lower mantle Reviewed

Ryosuke Sinmyo, Kei Hirose, Daisuke Nishio-Hamane, Yusuke Seto, Kiyoshi Fujino, Nagayoshi Sata, Yasuo Ohishi

JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH   113 ( B11 )   2008.11

The electrical conductivity of post-perovskite in Earth's D" layer Reviewed

Kenji Ohta, Suzue Onoda, Kei Hirose, Ryosuke Sinmyo, Katsuya Shimizu, Nagayoshi Sata, Yasuo Ohishi, Akira Yasuhara

SCIENCE   320 ( 5872 )   89 - 91   2008.4

Measurements of electrical conductivity of (Mg,Fe)SiO3 post-perovskite using laser-heated diamond-anvil cell Reviewed

Kenji Ohta, Kei Hirose, Ryosuke Sinmyo, Suzue Onoda, Katsuya Shimizu

Review of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu   18 ( 3 )   260 - 266   2008

Ferric iron in Al-bearing post-perovskite Reviewed

R Sinmyo, K Hirose, HS O'Neill, E Okunishi

GEOPHYSICAL RESEARCH LETTERS   33 ( 12 )   2006.6

Determination of post-perovskite phase transition boundary in MgSiO3 using Au and MgO pressure standards Reviewed

K Hirose, R Sinmyo, N Sata, Y Ohishi

GEOPHYSICAL RESEARCH LETTERS   33 ( 1 )   2006.1

Determination of post-perovskite phase transition boundary in MgSiO3 using Au and MgO pressure standards Reviewed

K Hirose, R Sinmyo, N Sata, Y Ohishi

GEOPHYSICAL RESEARCH LETTERS   33 ( 1 )   2006.1

下部マントル全領域における構成鉱物中の鉄含有量と価数決定

Grant number：07J10682  2007 - 2009

日本学術振興会  科学研究費助成事業 特別研究員奨励費  特別研究員奨励費

新名 良介