Effect of cation non-stoichiometry and crystallinity on the ionic conductivity of atomic layer deposited Y:BaZrO3 films

  • Park, Joong Sun; 
  • Kim, Young-Beom; 
  • An, Jihwan; 
  • Shim, Joon Hyung; 
  • Guer, Turgut M.; 
  • 외 1명
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초록

The effects of A-site non-stoichiometry and crystallinity on the proton conductivity of anhydrous proton conducting yttria-doped barium zirconate (BYZ) thin film were investigated. The membranes were fabricated by atomic layer deposition (ALD) as it allows tailoring and varying the concentration of barium. Electrochemical impedance spectroscopy was conducted to investigate the ionic conductivity according to the stoichiometry and crystallinity of the ALD BYZ thin films. (C) 2013 Elsevier B.V. All rights reserved.

키워드

Yttrium-doped barium zirconate; Atomic layer deposition; Proton conducting ceramic; Fuel Cells; Cation crystallinity; Ionic conductivity; FUEL-CELLS; CONDUCTORS; PHASE
제목
Effect of cation non-stoichiometry and crystallinity on the ionic conductivity of atomic layer deposited Y:BaZrO3 films
저자
Park, Joong Sun; Kim, Young-Beom; An, Jihwan; Shim, Joon Hyung; Guer, Turgut M.; Prinz, Fritz B.
DOI
10.1016/j.tsf.2013.05.092
발행일
2013-07-31
유형
Article
저널명
Thin Solid Films
권
539
페이지
166 ~ 169