ニュース

No.9 Global COEニュースレターが発行されました。

ヒメダイヤがアメリカ地球物理学連合ニュースのトップ記事に [EOS (AGU) にリンク]

大藤助教らが鉱物科学会奨励賞他受賞

招待講演

Irifune, T., Nishiyama, N., Ohfuji, H., Shinmei, T., Isobe, F., Higo, Y., Synthesis of nano-polycrystalline diamond and other consolidated polycrystalline materials using large Kawai-type apparatus, Joint Symposium of Misasa-2012 and Geofluid-2 "Dynamics and Evolution of the Earth's Interior: Special Emphasis on the Role of Fluids", Misasa, Tottori, Japan, March 21, 2012

Inoue, T., Yabuki, T., Yurimoto, H., Water contents of Al-bearing minerals in the mantle transition zone and the lower mantle, Joint Symposium of Misasa-2012 and Geofluid-2 "Dynamics and Evolution of the Earth's Interior: Special Emphasis on the Role of Fluids", Misasa, Tottori, Japan, March 21, 2012

Nishihara, Y., Deformation experiments of mantle materials at the conditions of deep earth`s interior, Joint Symposium of Misasa-2012 and Geofluid-2 "Dynamics and Evolution of the Earth's Interior: Special Emphasis on the Role of Fluids", Misasa, Tottori, Japan, March 21, 2012

Ohfuji,H., Phase transition mechanism and microtexture evolution through graphite-diamond transition under high pressure and high temperature, 9th International Workshop on Water Dynamics, Tohoku Univ., 2012年3月8日

入舩徹男，放射光で拓く地球深部の科学，第25回日本放射光学会年会・放射光科学合同シンポジウム（JSR12），市民公開講座，鳥栖市民文化会館ホール，佐賀県，2012年1月8日

最新公表論文

Okayasu, M., Ohfura, Y,, Takeuchi, S., Takasu S., Ohfuji, H., Shiraishi, T. (2012)： A study of the mechanical properties of an Al-Si-Cu alloy (ADC12) produced by various casting processes., Mater. Sci. Eng. A, 543, 185-192, doi:10.1016/j.msea.2012.02.073[LINK]

Kawazoe, T. (2012): A miniature cubic anvil apparatus for optical measurement under high pressure, Rev. Sci. Instrum., 83(3), 035111, doi:10.1063/1.3698206[LINK]

Kawai, K., Tsuchiya, T., (2012): High-P, T phase relations in the NaAlSi₂O₆ system from first principles computation, Phys. Chem. Miner., 39(4), 305-310, DOI: 10.1007/s00269-012-0485-0[LINK]

Lin, J-F, Alp, E.E., Mao, Z., Inoue, T., McCammon, C., Xiao, Y., Chow, P., Zhao, J. (2012): Electronic spin states of ferric and ferrous iron in the lower-mantle silicate perovskite, Am. Mineral., 97（4）, 592-597, doi:10.2138/am.2012.4000[LINK]

Yamada, A., Inoue, T. (2012): Structural change in hydrous magma in the Earth's asthenosphere, Photon Factory Activity Report 2010, Highlight and Facility Report, 28, 46-47.[LINK]

Nishio-Hamane, D., Zhang, M., Yagi, T., Ma, Y. (2012): High-pressure and high-temperature phase transitions in FeTiO₃ and a new dense FeTi₃O₇ structure, Amer. Minral., 97(4), 568-572, doi:10.2138/am.2012.3973[LINK]

Metsue, A. and Tsuchiya, T. (2012): Ab initio investigation on the elasticity of ultrahigh-pressure phases of SiO₂, Phys. Chem. Mineral., 39(3), 177-187, DOI: 10.1007/s00269-011-0473-9[LINK]

Settsu, N., Matsushita, M, Takahashi, M, Tanimoto, M., Ohfuji, H. (2012): Influence of brazing filler metal diffusion on the mechanical strength of SUS304/Cu/Si₃N₄ composite, J. Soc. Mater. Sci. Japan, 61(2), 197-202 doi:10.2472/jsms.61.197[LINK]

Kawai, K., Tsuchiya, T. (2011): First principles investigations on the elasticity and phase stability of grossular garnet, J. Geophys. Res., 117, B02202, doi:10.1029/2011JB008529[LINK]

Kawai, K., Tsuchiya, T. (2011): Phase stability and elastic properties of the NAL and CF phases in the NaMg₂Al₅SiO₁₂ system from first principles, Am. Mineral., 97(2-3), 305-314, doi: 10.2138/am.2012.3915[LINK]

Irifune, T., Hemley, R.J. (2012): Synthetic diamond opens windows into the deep Earth, EOS Trans. AGU, 93(7), 65, doi:10.1029/2012EO070001[LINK]

Nakae, T., Mizobuchi, S., Yano, M., Ukai, T., Sato, H., Shinmei, T., Inoue, T., Irifune, T., Sakaguchi, H. (2012): Benzo[b]trithiophene polymer network prepared by electrochemical polymerization with a combination of thermal conversion, Chem. Lett., 41(2), 140-141, doi:10.1246/cl.2012.140[LINK]

Ohuchi, T., Kawazoe, T., Nishihara, Y., Irifune, T. (2011): Change of olivine a-axis alignment induced by water: origin of seismic anisotropy in subduction zones, Earth. Planet. Sci. Lett., 317-318, 111-119, doi:10.1016/j.epsl.2011.11.022[LINK]

Gréaux, S., Farges, F., Gautron, L., Flank, A.-M., Lagarde P. (2011): X-ray Absorption Near Edge Structure (XANES) study of the speciation of uranium and thorium in Al-rich CaSiO₃ perovskites, Am. Mineral. 97(1), 100-109, doi:10.2138/am.2012.3811[LINK]

Shinozaki, A., Hirai, H., Kagi, H., Kondo, T., Okada, T., Nishio-hamane, D., Machida, S., Irifune, T., Kikegawa, T., Yagi, T. (2012): Reaction of forsterite with hydrogen molecules at high pressure and temperature, Phys. Chem. Miner. 39(2), 123-129, DOI: 10.1007/s00269-011-0467-7[LINK]

Fujino, K., Nishio-Hamane, D., Seto, Y., Sata, N., Nagai, T., Shinmei, T., Irifune, T., Ishii, H., Hiraoka, N., Cai, Y.Q., and Tsuei, K.D. (2012): Spin transition of ferric iron in Al-bearing Mg-perovskite up to 200 GPa and its implication for the lower mantle, Earth Planet. Sci. Lett., 317-318, 407-412, doi:10.1016/j.epsl.2011.12.006[LINK]

Qin, J., Irifune, T., Dekura, H., Ohfuji, H., Nishiyama, N., Lei, L., Shinmei, T. (2012): Phase relations in boron at pressures up to 18 GPa and temperatures up to 2200 ℃, Phys. Rev. B, 85, 014107, DOI: 10.1103/PhysRevB.85.014107[LINK]

研究論文 (in press)

Sano-Furukawa, A., Yagi, T., Okada, T., Gotou, H., Kikegawa, T., (2012): Compression behaviors of distorted rutile-type hydrous phases, MOOH(M=Ga, In, Cr) and CrOOD, Phys. Chem. Mineral. doi: 10.1007/s00269-012-0487-y (in press)

Ohuchi, T., Nishihara, Y., Kawazoe, T., Spengler, D., Shiraishi, R., Suzuki, A., Kikegawa, T., Ohtani, E. (2012): Superplasticity in hydrous melt-bearing dunite: Implications for shear localization in Earth's upper mantle, Earth Planet. Sci. Lett. (in press)

Tange, Y., Kuwayama, Y., Irifune, T., Funakoshi, K., Ohishi, Y., (2012): P-V-T equation of state of MgSiO₃ perovskite: Primary reference for mineralogy of the lower mantle, J. Geophy. Res. (in press)

Vlček, V., De Koker, N., Steinle-Neumann, G. (2012): Electrical and thermal conductivity of Al liquid at high pressures and temperatures from ab-initio computations, Phys. Rev. B (in press)

Ohfuji, H., Okimoto, S., Kunimoto, T., Iosbe, F., Sumiya, H., Komatsu, K., Irifune, T. (2012): Influence of graphite crystallinity on the microtexture of nano-polycrystalline diamond obtained by direct conversion, Phys. Chem. Mineral. (in press)

Spengler, D. Obata, M., Hirajima, T., Ottoline, L., Ohfuji H., Tamura, A. Arai, S. (2012)： Exsolution of garnet and clinopyroxene from high-Al pyroxenes in Xugou peridotite, E China. J.Petrol. (in press)

Kameyama, M., Ichikawa, H., Miyauchi, A. (2012): A linear stability analysis on the onset of thermal convection of a fluid with strongly temperature-dependent viscosity in a spherical shell, Theor. Comput. Fluid. Dyn. (in press)