Stabilized bismuth oxide

Compositions: ceramic – Ceramic compositions – Yttrium – lanthanide – actinide – or transactinide containing

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204421, 429193, 501103, 501126, C04B 3548, C04B 3550

Patent

active

051838010

ABSTRACT:
Disclosed is a stable bismuth oxide composition having excellent oxygen ion conductivity comprising: from 50 to 90 mole % Bi.sub.2 O.sub.3, from 10 to 40 mole % of a rare earth oxide, such as yttria; and from 0.1 to 10 mole % of an oxide compound, such as ZrO.sub.2 or ThO.sub.2. The composition retains its oxygen ion transport capabilities even after prolonged annealing.

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