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
Abstract
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 |
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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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