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    Article

    Effect of Solvent Diols and Ligands on the Properties of Sol-Gel Alumina-Silicas

    Amorphous alumina-silicas were prepared from a tetra-alkoxysilane and anhydrous aluminum trichloride or an aluminum alkoxide by a sol-gel process using 2-methyl-2,4-pentanediol, pinacol, 1,2-propanediol, 2,3-b...

    Fujio Mizukami, Yoshimichi Kiyozumi in Journal of Sol-Gel Science and Technology (1998)

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    Article

    Crystal growth of high silica ZSM-5 at low temperature synthesis conditions

    At the temperature of 90°C and under atmospheric pressure, growth kinetics of high silica ZSM-5 was investigated through a long induction, nucleation and crystal growth periods. It was found the entire crystal...

    Yoshinichi Kiyozumi, Shigemitsu Shin in Korean Journal of Chemical Engineering (1996)

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    Chapter and Conference Paper

    Superconducting Properties of Artificially Superstructured Films Composed of Nitride Materials

    Artificially superstructured films (ASF’s) [niobium nitride (NbN)/iron nitride (FeN)] and [molybdenum nitride (MoN)/iron nitride (FeN)] have been prepared by an alternate reactive deposition method. The MoN/Fe...

    Mitsugu Sohma, Kenji Kawaguchi, Shigemitsu Shin in Advances in Superconductivity II (1990)

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    Article

    MoN-TiN Superconducting Artificial Superstructure Film

    We succeeded in synthesizing MoN-TiN superconducting artificial superstructure film (SASF). The structure of MoN layers is estimated to be γ-Mo2N. The behavior of Tc in SASFs is recognized by a proximity effect u...

    Kenji Kawaguchi, Shigemitsu Shin in MRS Online Proceedings Library (1987)

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    Article

    Thermodynamic stability and kinetics of perovskite dissolution

    Perovskite, a SYNROC host mineral for nuclear wastes, is thermodynamically unstable in natural waters and in association with common minerals. Leach experiments demonstrate that CaTiO3 (perovskite), SrTiO3 and Ba...

    H. Wayne Nesbitt, G. Michael Bancroft, William S. Fyfe, Suresh N. Karkhanis in Nature (1981)