Oxide-ion conductivity in CuxCe1-xO2-δ (0 ≤ x ≤ 0.10)

Gayen, Arup ; Priolkar, K. R. ; Shukla, A. K. ; Ravishankar, N. ; Hegde, M. S. (2005) Oxide-ion conductivity in CuxCe1-xO2-δ (0 ≤ x ≤ 0.10) Materials Research Bulletin, 40 (3). pp. 421-431. ISSN 0025-5408

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00255...

Related URL: http://dx.doi.org/10.1016/j.materresbull.2004.12.006


Up to 10 at.% of copper readily substitutes for cerium in ceria. It is found that at oxygen partial pressures between 0.21 atm and 10-5 atm, CuxCe1-xO2-δ (0 ≤ x ≤ 0.10) solid solution behave as an oxide-ion electrolyte. Interestingly, Cu0.10Ce0.90O2-δ exhibits the oxide-ion conductivity of ca. 10-4Ω-1 cm-1 at 600 °C at an oxygen partial pressure of 10-5 atm.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:A. Oxides; B. Chemical Synthesis; C. Impedance Spectroscopy; D. Defects; D. Ionic Conductivity
ID Code:16153
Deposited On:15 Nov 2010 14:06
Last Modified:17 Jul 2012 08:16

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