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Papers by Author: Yasukazu Saito

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Preparation of Ru Nano-Particles Dispersed on a Highly-Porous Material

Authors: Kiyoshi Aramaki, Susumu Kawaguchi, Morihiro Saito, Jun Kuwano, Yasukazu Saito

Abstract: Metallic ruthenium nano-particles supported on carbon were prepared from Ru3(CO)12 and highly-porous activated carbon by adsorption of the complex under boiling conditions in an acetone or cyclohexane solution, followed by H2 reduction at 200oC. Occupation of micropores with the precursor all through the carbon surface would diminish the BET surface area and the pore volume, whereas partial restoration of them by heating the material in H2 flow would be caused by complex decomposition and coagulative growth of Ru nano-particles (3.01 nm in average from TEM observation), which were surely lager in size than the pore diameter (2.15 nm determined by adsorption-isotherm measurements). Ru nano-particles were well dispersed on carbon.

Molecular Dynamics Simulation of Lithium Ion Conduction in the Li-ADPESS La_0.56Li_0.33TiO₃

Authors: Yasuhiro Harada, Yoichi Yoshida, Kei Sugiura, Daisuke Hakura, Jun Kuwano, Yasukazu Saito

281

Lithium Ion Conductivity in the Li-ADPESS (Ca_XSr_1-X)_0.56Li_0.33Ta_0.775M(III)_0.225O₃

Authors: Yasuhiro Harada, Jun Kuwano, Yasukazu Saito

227

Ambient Temperature Oxygen Sensors Using Iron Phthalocyanine-Evaporated Mesh Electrodes

Authors: Tomoyasu Eguchi, Soichiro Suda, Takumi Hijii, Seiji Koga, Jun Kuwano, Yasukazu Saito

199

Oxide-Ion Conductivity of BaCeO₃-Based Electrolytes at Low Temperatures

Authors: Seiji Koga, Hiroko Amasaki, Tomoyasu Eguchi, Takumi Hijii, Yasukazu Saito, Jun Kuwano

187

Lithium NMR Study on Li-Ion Conducting A-Site Deficient Perovskites

Authors: Yuji Hirakoso, Yasuhiro Harada, Yasukazu Saito, Yoichi Yoshida, Jun Kuwano

179

An Investigation on the Perovskite Frameworks of ADPESSs and the Lithium Ion Conductivity with the DV-Xα Calculation

Authors: Yasuhiro Harada, Yoshitaka Ishikawa, Jun Kuwano, Yasukazu Saito

175

Lithium Ion Conduction in the Ordered ans Disordered Phases of A-site Deficient Perovskite La_0.56Li_0.33TiO₃

Authors: Yuji Hirakoso, Yasuhiro Harada, Jun Kuwano, Yasukazu Saito, Yoshitaka Ishikawa, Tomoyasu Eguchi

209

Low Temperature Superplasticity of Ultra-Fine Grained 5083 Aluminium Alloy Produced by Accumulative Roll-Bonding

Authors: Nobuhiro Tsuji, K. Shiotsuki, Hiroshi Utsunomiya, Yasukazu Saito