As-Deposited (La1-xSrx)(Ga1-y-zMgyCoz)O3-(x+y+z)/2 Crystallized Thin Films Prepared by Pulsed Laser Deposition for Application to Solid Oxide Fuel Cell Electrolyte

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概要

• 論文の詳細を見る

• Doped lanthanum gallate (La1-xSrx)(Ga1-y-zMgyCoz)O3-(x+y+z)/2 (LSGMCO) perovskite oxide films were deposited on a quartz glass, LaAlO3 single-crystal substrate and porous anode electrode of a solid oxide fuel cell (SOFC) by pulsed laser deposition. It was necessary to increase the substrate temperature up to 800°C for a crystallization of the LSGMCO films. The film deposited on the LaAlO3 single-crystal substrate grew along the $c$-axis. The as-deposited LSGMCO thick film fabricated on the porous substrate at 800°C and at an oxygen pressure of 20Pa was formed from polycrystal columns and showed a high conductivity of 0.7S/cm at a measurement temperature of 800°C. The activation energies were 0.72 eV at 600–800°C and 1.05 eV at 400–600°C.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2004-01-15

著者

• Ishihara Tatsumi

  Department Of Applied Chemistry Faculty Of Engineering Kyushu University

• Kanazawa Seiji

  Department Of Electrical And Electronic Engineering Oita University

• Takita Yusaku

  Department Of Applied Chemistry Faculty Of Engineering Oita University

• Nomoto Yukiharu

  Department Of Electrical And Electronic Engineering Oita University

• Ohkubo Toshikazu

  Department Of Electrical And Electronic Engineering Oita University

• Ohkubo Toshikazu

  Department of Electrical and Electronic Engineering, Oita University, 700 Dannoharu, Oita City, Oita 870-1192, Japan

• Mitsugi Fumiaki

  Venture Business Laboratory, Oita University, 700 Dannoharu, Oita City, Oita 870-1192, Japan

• Kanazawa Seiji

  Department of Electrical and Electronic Engineering, Oita University, 700 Dannoharu, Oita City, Oita 870-1192, Japan

• Ishihara Tatsumi

  Department of Applied Chemistry, Oita University, 700 Dannoharu, Oita City, Oita 870-1192, Japan

• Ohkubo Toshikazu

  Department of Applied Chemistry, Faculty of Engineering, Osaka University

• Takita Yusaku

  Department of Alaterials Science and Technology, Faculty of Engineering, Kyushu University

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