Preparation and electrical properties of a monophasic ZrO2-Y2O3-Bi2O3 solid electrolyte

A.J.A. Winnubst, A.J. Burggraaf

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A preparation method is described of monophasic yttria stabilized zirconia doped with Bi2O3. This material is prepared from a homogeneous power which, after pressing, is sintered in a Bi2O3 atmosphere. The resulting ceramic has a composition of 0.78rO2-0.206 YO1.5-0.014BiO1.5. The grain boundaries are enriched with bismuth. A relative density of 95% of the theoretical one is attained at a considerably lower temperature than the bismuth free sample. The electrical conductivities of the monophasic Bi doped and the Bi-free electrolyte material do not differ significantly.
Original languageEnglish
Pages (from-to)613-619
JournalMaterials research bulletin
Issue number5
Publication statusPublished - 1984


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