| abstract |
A composition in the form of a solid solution that is phase stable at 1150 ° C./36 hours and 1200 ° C./4 hours and exhibits thermal stability at a surface area of at least 15 m 2 / g after treatment at 1100 ° C./4 hours, Zirconium and cerium oxides enriched with zirconium oxide, and erbium, gadolinium, dysprosium, or yttrium oxide in an amount of 10-30% by weight as stabilizer, and optionally one or more A composition comprising a dopant, use of the composition in a system for exhaust gas aftertreatment, a suitable method for the production of the composition, and a composition obtained by the production method. |