• DocumentCode
    597259
  • Title

    Oxygen ionic transport in brownmillerite-type Ca2Fe2O5±δ and calcium ferrite-based composites

  • Author

    Shaula, A.L. ; Kolotygin, V.A. ; Naumovich, E.N. ; Waerenborgh, J.C. ; Pivak, Y.V. ; Kharton, V.V.

  • Author_Institution
    Department of Materials & Ceramic Engineering, CICECO, University of Aveiro, Portugal
  • fYear
    2012
  • fDate
    3-7 Sept. 2012
  • Firstpage
    287
  • Lastpage
    288
  • Abstract
    The present work was centered on the studies of oxygen permeability, mixed conductivity, dilatometric behavior, crystal structure and microstructure of Ca2Fe2O5±δ and Ca2(Fe,M)2O5±δ (M = Co, Mn) solid solutions, and dual-phase Ca2Fe2O5 - Ce0.9Gd0.1O1.95 composites. The anisotropic oxygen-ion diffusion in calcium ferrite lattice was simulated using molecular dynamics and atomistic modeling techniques. The computer simulations results were analyzed in light of the experimental data on ionic conduction and thermodynamic stability.
  • Keywords
    Ceramics; Conductivity; Ferrites; Iron; Solids; Stability analysis; Thermal stability; brownmillerite; computer simulations; dimensional stability; oxide-ion diffusion; oxygen permeation;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Oxide Materials for Electronic Engineering (OMEE), 2012 IEEE International Conference on
  • Conference_Location
    Lviv, Ukraine
  • Print_ISBN
    978-1-4673-4491-3
  • Type

    conf

  • DOI
    10.1109/OMEE.2012.6464764
  • Filename
    6464764
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=597259