The elastic modulus of pure and doped ceria

Ellen Wachtel, Igor Lubomirsky

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Measurements of the elastic modulus of pure and doped ceria are summarized from the literature and analyzed with a view towards understanding the experimentally established dependence on temperature, doping level and oxygen vacancy concentration. At least two chemical properties affect the elastic modulus of pure and doped ceria: (i) the presence of vacancies decreases the strength of the chemical bonds; and (ii) low-temperature adaptation of the fluorite structure to the presence of oxygen vacancies is accompanied by an increase in unit cell volume.

Original languageEnglish
Pages (from-to)112-117
Number of pages6
JournalScripta Materialia
Volume65
Issue number2
DOIs
Publication statusPublished - Jul 2011

Keywords

  • Chemistry of point defects
  • Elastic properties
  • Gd-doped ceria
  • Solid oxide fuel cells

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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