A theory of the mixed-alkali effect in β-alumina |
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| Authors: | Malcolm D Ingram |
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| Institution: | Department of Chemistry, University of Aberdeen Meston Walk, Old Aberdeen AB9 2UE, Scotland, UK |
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| Abstract: | A new theory of the mixed-alkali effect in β-alumina involves replacement of mobile interstitialcy pairs by immobilized mixed-alkali pairs. Applying this concept to data for (Na,K) β-alumina shows only 2.2% of the cations in Na β-alumina are mobile at 150°C, in close agreement with an earlier estimate based on the Haven ration, HR. |
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