Mao, Z., F. Wang, J. F. Lin, S. Fu, J. Yang, X. Wu, T. Okuchi, N. Tomioka, V. Prakapenka, Y. Xiao, and P. Chow, Equation of state and hyperfine parameters of high-spin bridgmanite in the Earth's lower mantle by synchrotron X-ray diffraction and Mossbauer spectroscopy, Am. Miner., 102, 357-368, 2017. doi:10.2138/am-2017-5770
Iizuka-Oku, R., T. Yagi, H. Gotou, T. Okuchi, T. Hattori, A. Sano-Furukawa, Hydrogenation of iron in the early stage of Earthfs evolution, Nature Communications, 8, 14096, 2017. doi:10.1038/NCOMMS14096
Noguchi, N., and T. Okuchi, A Peltier cooling diamond anvil cell for low-temperature Raman spectroscopic measurements, Rev. Sci. Instrum., 87, 125107, 2016. doi:10.1063/1.4972254
Purevjav, N., T. Okuchi, N. Tomioka, X. Wang, and C. Hoffmann, Quantitative analysis of hydrogen sites and occupancy in deep mantle hydrous wadsleyite using single crystal neutron diffraction, Sci. Rep., 6, 34988, 2016. doi:10.1038/srep34988
T.A. Pikuz, A.Ya. Faenov, N. Ozaki, N. J. Hartley, B. Albertazzi1, T. Matsuoka, K. Takahashi, H. Habara, Y. Tange, S. Matsuyama, K. Yamauchi, R. Ochante, K. Sueda, O. Sakata, T. Sekine, T. Sato, Y. Umeda, Y. Inubushi, T. Yabuuchi, T. Togashi, T. Katayama, M. Yabashi, M. Harmand, G. Morard, M. Koenig, V. Zhakhovsky, N. Inogamov, A.S. Safronova, A. Stafford, I.Yu. Skobelev, S.A. Pikuz, T. Okuchi, Y. Seto, K.A. Tanaka, T. Ishikawa and R. Kodama, Indirect monitoring shot-to-shot shock waves strength reproducibility during pump-probe experiments, J. Appl. Phys., 120, 035901, 2016. doi:10.1063/1.4958796
Lin, J. F., Z. Mao, J. Yang, J. Liu, Y. Xiao, P. Chow and T. Okuchi, High-spin Fe2+ and Fe3+ in single-crystal aluminous bridgmanite in the lower mantle, Geophys. Res. Lett., 43, 6952-6959, 2016. doi:10.1002/2016GL069836
Hiraoka, N., H. Fukui and T. Okuchi, EXAFS studies under high pressure by x-ray Raman scattering, High Pressure Res., doi:10.1080/08957959.2016.1206090
Noguchi, N. and T. Okuchi, Self-diffusion of protons in H2O ice VII at high pressures: Anomaly around 10 GPa, J. Chem. Phys., 144, 234503, 2016. doi:10.1063/1.4953688
Tomioka, N., T. Okuchi, N. Purevjav, J. Abe, and S. Harjo, Hydrogen sites in the dense hydrous magnesian silicate phase E: A pulsed-neutron powder diffraction study, Phys. Chem. Mineral., 43, 267-275, 2016. doi:10.1007/s00269-015-0791-4
Okuchi, T., A. Hoshikawa, and T. Ishigaki, Forge-hardened TiZr null-matrix alloy for neutron scattering under extreme conditions, Metals, 5, 2340-2350, 2015. doi:10.3390/met5042340
Yang, J., X. Tong, J. F. Lin, T. Okuchi, and N. Tomioka, Elasticity of ferropericlase across the spin crossover in the earth's lower mantle, Sci. Rep., 5, 17188, 2015. doi:10.1038/srep17188
Okuchi, T., N. Purevjav, N. Tomioka, J. F. Lin, T. Kuribayashi, L. Schoneveld, H. Hwang, N. Sakamoto, N. Kawasaki, and H. Yurimoto, Synthesis of large and homogeneous single crystals of water-bearing minerals by slow cooling at deep-mantle pressures, Am. Mineral., 100, 1483-1492, 2015. download
Goncharov, A. F., S. S. Lobanov, X. Tan, G. T. Hohensee, D. G. Cahill, J. F. Lin, S. M. Thomas, T. Okuchi, and N. Tomioka, Experimental study of thermal conductivity at high pressures: implications for the deep Earth's interior, Phys. Earth Planet. Inter., 247, 11-15, 2015.
Kimura, T., N. Ozaki, T. Sano, T. Okuchi, T. Sano, K. Shimizu, K. Miyanishi, T. Terai, T. Kakeshita, Y. Sakawa, and R. Kodama, P-rho-T measurements of H2O up to 260 GPa under laser-driven shock loading, J. Chem. Phys., 142, 164504, 2015.
N. Purevjav, T. Okuchi, N. Tomioka, J. Abe, and S. Harjo, Hydrogen site analysis of hydrous ringwoodite in mantle transition zone by pulsed neutron diffraction, Geophys. Res. Lett., 41, 6718-6724, 2014.
Okuchi, T., N. Tomioka, N. Purevjav, J. Abe, W. Gong, and S. Harjo, Structure refinement of sub-cubic-mm volume sample at high pressures by pulsed neutron powder diffraction: application to brucite in an opposed anvil cell, High Pressure Res., 34, 273-280, 2014.
Okuchi, T., M. Yoshida, Y. Ohno, N. Tomioka, N. Purevjav, T. Osakabe, S. Harjo, A. Abe, K. Aizawa and S. Sasaki, Pulsed neutron powder diffraction at high pressure by capacity-increased sapphire anvil cell, High Pressure Res., 33, 777-786, 2013.
Guo, X., T. Yoshino, T. Okuchi and N. Tomioka, H-D interdiffusion in brucite at pressures up to 15 GPa, Am. Mineral., 98, 1919-1929, 2013.
Okuchi, T., Collision and diffusion dynamics of dense molecular hydrogen by diamond anvil cell nuclear magnetic resonance, J. Phys. Chem. C, 116, 2179-2182, 2012.
Okuchi, T., S. Sasaki, Y. Ohno, J. Abe, H. Arima, T. Osakabe, T. Hattori, A. Sano-Furukawa, K. Komatsu, H. Kagi, W. Utsumi, S. Harjo, T. Ito and K. Aizawa, Neutron powder diffraction of small-volume samples at high pressure using compact opposed-anvil cells and focused beam, J. Phys. Conf. Ser., 377, 012013, 2012. doi:10.1088/1742-6596/377/1/012013
Sano, T., N. Ozaki, T. Sakaiya, K. Shigemori, M. Ikoma, T. Kimura, K. Miyanishi, T. Endo, A. Shiroshita, H. Takahashi, T. Jitsui, Y. Hori, Y. Hironaka, A. Iwamoto, T. Kadono, M. Nakai, T. Okuchi, K. Otani, K. Shimizu, T. Kondo, R. Kodama, and K. Mima, Laser-shock compression and Hugoniot measurements of liquid hydrogen to 55 GPa, Phys. Rev. B., 83, 054117, 2011.
Yamazaki, D., E. Ito, T. Katsura, T. Yoshino, S. Zhai, H. Fukui, A. Shatskiy, X. Guo, S. Shan, T. Okuchi, Y. Tange, Y. Higo, and K. Funakoshi, Phase boundary between perovskite and post-perovskite structures in MnGeO3 determined by in situ X-ray diffraction measurements using sintered diamond anvils, Am. Mineral., 96, 89-92, 2011.
Lin, J. -F., Z. Mao, I. Jarrige, Y. Xiao, P. Chow, T. Okuchi, N. Hiraoka, and S.D. Jacobsen, Resonant x-ray emission study of the lower-mantle ferropericlase at high pressures, Am. Mineral., 95, 1125-1131, 2010.
Kimura, T., N. Ozaki, T. Okuchi, T. Terai, T. Sano, K. Shimizu, T. Sano, M. Koenig, A. Hirose, T. Kakeshita, Y. Sakawa, and R. Kodama, Significant static pressure increase in a precompression cell target for laser-driven advanced dynamic compression experiments, Phys. Plasmas, 17, 054502, 2010.
Sano, T., N. Ozaki, T. Sakaiya, K. Shigemori, M. Ikoma, T. Kimura, K. Miyanishi, T. Endo, A. Shiroshita, H. Takahashi, T. Jitsui, Y. Hori, Y. Hironaka, A. Iwamoto, T. Kadono, M. Nakai, T. Okuchi, K. Otani, K. Shimizu, T. Kondo, R. Kodama and K. Mima, Hugoniot and temperature measurements of liquid hydrogen by laser-shock compression, J. Phys. Conf. Ser., 215, 042018, 2010. doi:10.1088/1742-6596/215/1/042018
Ohfuji, H., T. Okuchi, S. Odake, H. Kagi, H. Sumiya, and T. Irifune, Micro-/nanostructural investigation of laser-cut surfaces of single- and polycrystalline diamonds, Diamond Relat. Mater., 19, 1040-1051, 2010.
Okuchi, T., S. Sasaki, T. Osakabe, Y. Ohno, S. Odake, and H. Kagi, Large-volume static compression using nano-polycrystalline diamond for opposed anvils in compact cells, J. Phys.: Conf. Ser., 215, 012188, 2010. doi:10.1088/1742-6596/215/1/012188
Kimura, T., N. Ozaki, T. Okuchi, T. Mashimo, K. Miyanishi, T. Endo, T. Jitsui, A. Hirose, M. Ikoma, T. Kakeshita, Y. Sakawa, T. Sano, T. Sano, K. Shimizu, T. Terai, and R. Kodama, Static compression experiments for advanced coupling techniques of laser-driven dynamic compression and precompression target, J. Phys.: Conf. Ser., 215, 012152, 2010. doi:10.1088/1742-6596/215/1/012152
Okuchi, T., H. Ohfuji, S. Odake, H. Kagi, S. Nagatomo, M. Sugata, and H. Sumiya, Micromachining and surface processing of the super-hard nano-polycrystalline diamond by three types of pulsed lasers, Appl. Phys. A: Mater. Sci. Process., 96, 833-842, 2009.
Odake, S., H. Ohfuji, T. Okuchi, H. Kagi, H. Sumiya, and T. Irifune, Pulsed laser processing of nano-polycrystalline diamond: a comparative study with single crystal diamond, Diamond Relat. Mater., 18, 877-880, 2009.
Ozaki, N., T. Sano, M. Ikoma, K. Shigemori, T. Kimura, K. Miyanishi, T. Vinci, F. H. Ree, H. Azechi, T. Endo, Y. Hironaka, Y. Hori, A. Iwamoto, T. Kadono, H. Nagatomo, M. Nakai, T. Norimatsu, T. Okuchi, K. Otani, T. Sakaiya, K. Shimizu, A. Shiroshita, A. Sunahara, H. Takahashi, and R. Kodama, Shock Hugoniot and temperature data for polystyrene obtained with quartz standard, Phys. Plasmas, 16, 062702, 2009.
Utsumi, W., H. Kagi, K. Komatsu, H. Arima, T. Nagai, T. Okuchi, T. Kamiyama, Y. Uwatoko, K. Matsubayashi, and T. Yagi, Neutron powder diffraction under high pressure at J-PARC, Nucl. Instr. Methods Phys. Res. Sect. A, 600, 50-52, 2009.
Lee, S., J. -F. Lin, Y. Q. Cai, N. Hiraoka, P. J. Eng, T. Okuchi, H. K. Mao, Y. Meng, M. Y. Hu, P. Chow, J. Shu, B. Li, H. Fukui, B. H. Lee, H. N. Kim, and C.-S. Yoo, X-ray Raman scattering study of MgSiO3 glass at high pressure: Implication for Triclustered MgSiO3 melt in Earthfs mantle, Proc. Nat. Acad. Sci. USA., 105, 7925-7929, 2008.
Okuchi, T., I. L. Moudrakovski, and J. A. Ripmeester, Efficient storage of hydrogen fuel into leaky cages of clathrate hydrate, Appl. Phys. Lett., 91, 171903. 2007.
Okuchi, T., M. Takigawa, J. Shu, H. K. Mao, R. J. Hemley, and T. Yagi, Fast molecular transport in hydrogen hydrates by high-pressure diamond anvil cell NMR, Phys. Rev. B, 75, 144104, 2007.
Okuchi, T., M. Takigawa, J. Shu, H. K. Mao, R. J. Hemley, and T. Yagi, High pressure NMR of hydrogen-filled ices by diamond anvil cell, Physics and Chemistry of Ice (ed. W. F. Kuhs), Royal Society of Chemistry, Cambridge, 469-473, 2007.
Lin, J.-F., H. Fukui, D. Prendergast, T. Okuchi, Y. Q. Cai, N. Hiraoka, C. -S. Yoo, A. Trave, P. Eng, M. Y. Hu and P. Chau, Electronic bonding transition in compressed SiO2 glass, Phys. Rev. B., 75, 012201, 2007.
Okuchi, T., G. D. Cody, H. K. Mao, and R. J. Hemley, Hydrogen bonding and dynamics of methanol by high-pressure diamond anvil cell NMR, J. Chem. Phys., 122, 244509, 2005.
Okuchi, T., R. J. Hemley, and H. K. Mao, Radio frequency probe with improved sensitivity for diamond anvil cell nuclear magnetic resonance, Rev. Sci. Instrum., 76, 026111, 2005.
Okuchi, T., R. J. Hemley, and H. K. Mao, A new gasket material for higher resolution NMR in diamond anvil cells, In Advances in High-Pressure Technology for Geophysical Applications (eds. by J. Chen et al), Elsevier, pp.503-509, 2005. doi:10.1016/B978-044451979-5.50028-4
Okuchi, T., A new type of nonmagnetic diamond anvil cell for nuclear magnetic resonance spectroscopy, Phys. Earth Planet. Inter., 143-144, 611-616, 2004.
Abe, Y., E. Ohtani, T. Okuchi, K. Righter and M. Drake, Water in the early Earth, In Origin of the Earth and Moon (eds. R. M. Canup and K. Righter), University of Arizona Press, Tucson, 413-433, 2000.
Okuchi, T., Melting temperature of iron hydride at high pressures and its implications for temperature of the Earth's core, J. Phys.: Condens. Matt. 10, 11595-11598, 1998.
Okuchi, T. and E. Takahashi, Hydrogen in molten iron at high pressure: The first measurement, In High Pressure-Temperature Research: Properties of Earth and Planetary Materials (eds. by M. H. Manghnani and T. Yagi), American Geophysical Union, Washington D.C., 249-260, 1998. doi:10.1029/GM101p0249
Okuchi, T. Hydrogen partitioning into molten iron at high pressure: Implications for Earth's core, Science 278, 1781-1784, 1997.
American Geophysical Union Fall Meeting
Insulator to semiconductor transformation of planetary ice mixtures compressed by laser-driven shock wave and its implication for interior property of icy giant planets
Mosconi Center, San Francisco, USA (2016.12.12-16 poster)
The 31st International Congress on High-Speed Imaging and Photonics
Laser-driven Shock Compression of Water - Fast Diagnostics of Changing Reflectivity
Hotel Hankyu Expo park, Osaka, Japan (2016.11.9 oral)
Water X: Exotic properties of water under extreme conditions
Insulating, semiconducting and metallic states of water at dynamic compression by laser-driven shock wave
Hotel Le Saint Paul, Nice, France (2016.7.15 invited)
Japan Geoscience Union Meeting 2016
Insulator to electronic conductor transition of synthetic planetary ices at interior conditions of icy giants compressed by laser-driven shock wave
P-PS01 Outer Solar System Exploration Today, and Tomorrow, Makuhari Messe, Chiba, Japan (2016.5.22 oral)
International Workshop on Warm Dense Matter 2015
Properties of H-C-N-O planetary fluids at interior conditions of icy giants
Kurashiki Ivy Square, Kurashiki, Japan (2015.6.11 invited)
Japan Geoscience Union Meeting 2015
Synthesis and application of water-bearing large single crystals by slow cooling of hydrous melt at deep mantle pressure
S-IT06 Early Earth - from accumulation to formation -, Makuhari Messe, Chiba, Japan (2015.5.24 oral)
Advanced Research Workshop on Recent Trends and Prospects for Renewable Energy
Storage of molecular hydrogen into leaky clathrate hydrate cages
Grand-Mir-Hotel, Tashkent, Uzbekistan (2012.10.2 invited)
Joint Symposium of Misasa-2012 and Geofluid-2
Hydrogen dynamics in atomic scale at high pressure by insitu NMR and neutron diffraction: case study for brucite, Mg(OH)2
Blanc-Art Misasa, Misasa, Tottori, Japan (2012.3.20 oral)
23rd International Conference on High Pressure Science and Technology
Neutron powder diffraction using compact anvil cell and focused beam at J-PARC
Bhabha Atomic Research Centre, Mumbai, India (2011.9.30 oral)
Pacifichem 2010 (International Chemical Congress of Pacific Basin Societies)
Hydrogen chemistry and dynamics in compressed materials by high-resolution diamond anvil cell NMR (2010.12.19 invited)
Diamond anvile cell NMR technique for solid state chemistry at gigapascals of pressure (2010.12.18 poster)
Hilton Hawaiian Village, Honolulu, HI, USA
12nd International Conference on the Physics and Chemistry of Ice
Powder neutron diffraction of gas hydrate at high pressure using compact anvil cells with optical sample accessibility
Hokkaido University, Sapporo, Japan (2010.9.9 poster)
22nd International Conference on High Pressure Science and Technology
Laser micromachining of the super-hard nano-polycrystalline diamond
Tokyo International Exchange Center, Tokyo, Japan (2009.7.28 poster)
Horiba-ISSP International Symposium (ISSP-11) "Hydrogen and water in codensed matter physics"
Proton and hydrogen dynamics in hydrogen-bonded materials at ultrahigh pressures by high resolution diamond anvil cell NMR technique
Seimeinomori Resort, Chiba, Japan (2009.10.14 invited)
5th Japanese-German Frontiers of Science Symposium
Ices at high pressure: Implications for planetary sciences
Atrium Hotel Mainz, Mainz, Germany (2008.11.2 poster)
6th International Conference on Gas Hydrates
In situ NMR studies of hydrogen storage kinetics and molecular diffusion in clathrate hydrate at elevated hydrogen pressures
The Fairmont Hotel Vancouver, Vancouver, Canada (2008.7.7 oral)
International Workshop on Synchrotron High-Pressure Mineral Physics and Materials Science
Precision laser machining of nano-polycrystalline diamond
Argonne National Laboratory, Chicago, IL, USA (2007.12.7 invited)
Joint 21st AIRAPT and 45th EHPRG International Conference
High-resolution diamond-anvil cell NMR: Applications for ices and hydrogen hydrates
Catania University, Catania, Italy (2007.7.17 oral)
7th High Pressure Mineral Physics Seminar
Diamond anvil cell NMR: applications for planetary ices and hydrates
Matsushima, Japan (2007.5.8-12 poster)
Gordon Research Conference 2006 "High Pressure, Research At"
Fast molecular transportation in hydrogen-filled ices by diamond anvil cell NMR
University of New England, Biddeford, ME USA
(2006.7.8 to 9 poster with invited abstract presentation)
11th International Conference on the Physics and Chemistry of Ice
Fast molecular transport in hydrogen-filled ices by high-pressure diamond anvil cell NMR
German Maritime Museum, Bremerhaven, Germany (2006.7.24 oral)
American Geophysical Union Fall Meetings
Structure and transport properties of hydrogen-filled ices (H2O:1/6H2 and H2O:H2) at pressures to 4 GPa by solid state diamond-anvil-cell NMR (2005, poster)
In Situ NMR spectroscopy of High Pressure Ice with a Diamond Anvil Cell (2004, poster)
Nuclear Magnetic Resonance Spectroscopy in the Diamond Anvil Cell (2003, poster)
Melting temperature of iron hydride and its implications to the temperature of the Earth's core (1998, oral)
Hydrogen measurement in molten iron at high pressure (1996, poster)
Moscone Center, San Francisco, USA
International Union of Crystallography 20th Congress
Hydrogen bonding and dynamics of methanol by high-pressure diamond anvil cell NMR
Fortezza da Basso, Florence, Italy (2005.8.23-31 poster)
International Union of Crystallography High Pressure Commission Workshop
Hydrogen bonding in liquid methanol measured by high pressure NMR in diamond anvil cell (2004.8.19 invited)
A new radio frequency probe of improved sensitivity and field uniformity for NMR (2004.8.19 poster)
Canadian Light Source, University of Saskatchewan, Canada
Consortium for Materials Properties Research (COMPRES) Annual Meeting
A new radio frequency probe of improved sensitivity and field uniformity for NMR in the diamond anvil cell
Granlibakken Resort and Conference Center, Lake Tahoe, CA USA (2004.6.19-22 poster)
IUCr/COMPRES High Pressure Workshop 2003 on High Pressure Structure and Reactivity: The Science of Change
Nuclear magnetic resonance spectroscopy in the diamond anvil cell
University of California, Berkeley, USA (2003.12.4-7 poster)
6th High Pressure Mineral Physics Seminar
Nuclear magnetic resonance spectrometry at high pressures with diamond anvil cell
Hotel Castagnola on Lago Maggiore, Verbania Italy (2002.8.26-31 poster)
Origin of the Earth and Moon
Hydrogen in the core: An evidence for the state of lost protoatmosphere
DoubleTree Hotel and Monteley Conference Center (1998.12.3 oral)
Oji International Seminar -Quest for New Physical Phases under Extreme Conditions-
Melting temperature of iron hydride and geotherm in the core
Hotel New Oji, Tomakomai, Hokkaido, Japan (1998.5.31-6.5 poster)
US-Japan Seminar on High Pressure - Temperature Research
Melting phase relations in Fe-H coexisting with hydrous silicate melts
Makena Resor Hawaii, HI USA (1996.1.22-26 poster)
Mafic Magmatism Through Time
The Moon from the terrestrial magma ocean
St. Malo, France (1994.9.9-13 poster)