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

Fumiaki Mitsugi, Seiji Kanazawa, Toshikazu Ohkubo, Yukiharu Nomoto, Tatsumi Ishihara, Yusaku Takita

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Doped lanthanum gallate (La1-xSrx)(Ga 1-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 e-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 0.75/cm at a measurement temperature of 800°C. The activation energies were 0.72 eV at 600-800°C and 1.05eVat400-600°C.

Original languageEnglish
Pages (from-to)299-302
Number of pages4
JournalJapanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume43
Issue number1
DOIs
Publication statusPublished - Jan 2004
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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