journal article·2008-03-11

Nitrogen Doping of Ceria

A. Belén Jorge, Jordi Fraxedas, Andrés Cantarero, Anthony J. Williams, Jennifer Rodgers, J. Paul Attfield, Amparo Fuertes

Chemistry of Materials· Volume 20· Issue 5
Publisher page

Abstract

Incorporation of nitrogen into the fluorite structure of ceria occurs by treatment in ammonia between 550 and 900 °C, with maximum uptake of 4.5 mol % N at temperatures close to 700 °C and with reduction to Ce3+ above 650 °C, leading to the solid solution Ce4+1−yCe3+yO2–(3x/2)−(y/2)NxV(x+y)/2 with x ≤ 0.09 and y ≤ 0.03.
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Research context

OpenAlex topics: Catalytic Processes in Materials Science · Advancements in Solid Oxide Fuel Cells · Nuclear materials and radiation effects

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Affiliations

Institut de Ciència de Materials de Barcelona (CSIC), Campus U.A.B., 08193 Bellaterra, Spain, Instituto de Ciencia de Materiales, Universidad de Valencia, P.O. Box 22085, 46071 Valencia, Spain, and Centre for Science at Extreme Conditions and School of Chemistry, University of Edinburgh, King’s Buildings, Mayfield Road, Edinburgh EH9 3JZ, United Kingdom

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