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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...
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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...
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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...
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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...
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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...