Search Results - "OHISHI, Y"

New developments in high-pressure X-ray diffraction beamline for diamond anvil cell at SPring-8 by Hirao, N., Kawaguchi, S. I., Hirose, K., Shimizu, K., Ohtani, E., Ohishi, Y.

“…An overview of the recently renovated high-pressure X-ray diffraction (XRD) BL10XU beamline for the diamond anvil cell at SPring-8 is presented. The renovation…”
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Chemical Reaction Between Metallic Iron and a Limited Water Supply Under Pressure: Implications for Water Behavior at the Core‐Mantle Boundary by Nishi, M., Kuwayama, Y., Hatakeyama, T., Kawaguchi, S., Hirao, N., Ohishi, Y., Irifune, T.

“…Water transportation to the deep lower mantle via plate subduction may induce a reaction between water and iron at the core‐mantle boundary. Recent…”
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Mid-infrared 2000-nm bandwidth supercontinuum generation in suspended-core microstructured sulfide and tellurite optical fibers by Savelii, I, Mouawad, O, Fatome, J, Kibler, B, Désévédavy, F, Gadret, G, Jules, J-C, Bony, P-Y, Kawashima, H, Gao, W, Kohoutek, T, Suzuki, T, Ohishi, Y, Smektala, F

“…In this work, we report the experimental observation of supercontinua generation in two kinds of suspended-core microstructured soft-glass optical fibers. Low…”
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Energy transfer in Cr and Nd co-doped Si-B-Na-Al-Ca-Zr-O glasses by Hughes, M.A., Li, H., Curry, R.J., Suzuki, T., Ohishi, Y.

“…•A novel silicate glass doped with both Cr and Nd was fabricated.•Cr could allow more efficient excitation of Nd by sunlight.•We determined the energy transfer…”
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Multioctave midinfrared supercontinuum generation in suspended-core chalcogenide fibers by Mouawad, O, Picot-Clémente, J, Amrani, F, Strutynski, C, Fatome, J, Kibler, B, Désévédavy, F, Gadret, G, Jules, J-C, Deng, D, Ohishi, Y, Smektala, F

“…An As2S3 fiber-based supercontinuum source that covers 3500 nm, extending from near visible to the midinfrared, is successfully reported by using a…”
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Evidence of a fcc-hcp transition in aluminum at multimegabar pressure by Akahama, Y, Nishimura, M, Kinoshita, K, Kawamura, H, Ohishi, Y

“…The structure phase transition and the equation of state (EOS) of the third-period simple metal Al were investigated at pressure up to 333 GPa by powder x-ray…”
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Synthesis of silicon and molybdenum–silicide nanocrystal composite films having low thermal conductivity by Ohishi, Y., Kurosaki, K., Suzuki, T., Muta, H., Yamanaka, S., Uchida, N., Tada, T., Kanayama, T.

“…We synthesized semiconducting composite films of Si and Mo–silicide nanocrystals (NCs) by phase separation from amorphous Mo–Si alloy (Si:Mo=12:1). Raman…”
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Filamentation-induced spectral broadening and pulse shortening of infrared pulses in Tellurite glass by Béjot, P., Billard, F., Peureux, C., Diard, T., Picot-Clémente, J., Strutynski, C., Mathey, P., Mouawad, O., Faucher, O., Nagasaka, K., Ohishi, Y., Smektala, F.

“…Filamentation of infrared femtosecond pulses in Tellurite glass is reported, leading to the generation of a supercontinuum generation spanning from the visible…”
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Compositional optimization of bismuth-doped yttria–alumina–silica glass by Hughes, M.A., Suzuki, T., Ohishi, Y.

“…We fabricated three series of glasses in which the Y 2O 3, Bi 2O 3 and Al 2O 3 contents of Bi-doped Y 2O 3:Al 2O 3:SiO 2 glass were varied. We optimized the…”
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Determination of post-perovskite phase transition boundary in MgSiO3 using Au and MgO pressure standards by Hirose, Kei, Sinmyo, Ryosuke, Sata, Nagayoshi, Ohishi, Yasuo

“…We have determined the post‐perovskite phase transition boundary in MgSiO3 by in‐situ X‐ray diffraction measurements, using Au and MgO as internal pressure…”
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Spectroscopy of bismuth-doped lead–aluminum–germanate glass and yttrium–aluminum–silicate glass by Hughes, M.A., Suzuki, T., Ohishi, Y.

“…In this work we make a comparison between the spectroscopy of bismuth-doped lead–aluminum–germanate (Bi:PAG) glass and bismuth-doped yttrium–aluminum–silicate…”
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Anomalous pressure effect in heteroacene organic field-effect transistors by Sakai, K, Okada, Y, Kitaoka, S, Tsurumi, J, Ohishi, Y, Fujiwara, A, Takimiya, K, Takeya, J

“…Anomalous pressure dependent conductivity is revealed for heteroacene organic field-effect transistors of dinaphtho[2, 3-b:2', 3'-f]thieno[3, 2-b]thiophene…”
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Large amplitude fluxional behaviour of elemental calcium under high pressure by Tse, J. S., Desgreniers, S., Ohishi, Y., Matsuoka, T.

“…Experimental evidences are presented showing unusually large and highly anisotropic vibrations in the “simple cubic” (SC) unit cell adopted by calcium over a…”
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Intermittent maser flare around the high-mass young stellar object G353.273+0.641 - I. Data and overview by Motogi, K., Sorai, K., Honma, M., Minamidani, T., Takekoshi, T., Akiyama, K., Tateuchi, K., Hosaka, K., Ohishi, Y., Watanabe, Y., Habe, A., Kobayashi, H.

“…We have performed very long baseline interferometry (VLBI) and single-dish monitoring of 22-GHz H2O maser emission from the high-mass young stellar object…”
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Compositional dependence of the optical properties of bismuth doped lead-aluminum-germanate glass by Hughes, M.A., Suzuki, T., Ohishi, Y.

“…We report the compositional dependence of absorption, emission, decay constant and quantum efficiency (QE) of GeO 2:Al 2O 3:PbO:Bi 2O 3 glass with the aim of…”
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Towards a high-performance optical gain medium based on bismuth and aluminum co-doped germanate glass by Hughes, M., Suzuki, T., Ohishi, Y.

“…In this paper we present the development process of glass based on bismuth and aluminum co-doped germanate (GAB) glass. We found the addition of PbO to this…”
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The impact of nutrition and glucose intolerance on the development of tuberculosis in Japan by Hayashi, S., Takeuchi, M., Hatsuda, K., Ogata, K., Kurata, M., Nakayama, T., Ohishi, Y., Nakamura, H.

“…BACKGROUND: Although Japan is categorised as an intermediate tuberculosis (TB) burden country, the incidence of TB is nevertheless decreasing.OBJECTIVE: To…”
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Medium-range fluctuations accompanying the metal-nonmetal transition in expanded fluid hg by Inui, M, Matsuda, K, Ishikawa, D, Tamura, K, Ohishi, Y

“…We have carried out small angle x-ray scattering experiments of expanded fluid Hg in the metal-nonmetal (M-NM) transition region around 9.0 g cm(-3). Increase…”
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High-energy X-ray diffraction beamline: BL04B2 at SPring-8 by Isshiki, M., Ohishi, Y., Goto, S., Takeshita, K., Ishikawa, T.

“…High-energy X-ray diffraction beamline, one of the bending-magnet beamline at SPring-8, was constructed, for the diffraction and scattering experiments at high…”
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Highly conductive iron-rich (Mg,Fe)O magnesiowüstite and its stability in the Earth's lower mantle by Ohta, K., Fujino, K., Kuwayama, Y., Kondo, T., Shimizu, K., Ohishi, Y.

“…It has been repeatedly suggested that an iron‐rich oxide might accumulate on the Earth's core‐mantle boundary by various processes. Recent studies showed that…”
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