Effect of dopant size on the ionic conductivity of cubic stabilised ZrO2
โ Scribed by R.J Stafford; S.J Rothman; J.L Routbort
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 418 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0167-2738
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๐ SIMILAR VOLUMES
Ionic conductivity measurements were performed by impedance spectroscopy on ZrO,MgO 13.7 mol%, in the 270-700ยฐC temperature range. The diagrams show characteristic intragrain and grain boundary semicircles. Activation energies for the intragrain conductivity and the intergrain blocking efect are 126
A systematic study of the effect of size of the dopant and vacancy concentration on the electrical conductivity of Na 2 SO 4 is reported. The enhancement of conductivity, most pronounced with trivalent cation doping, and maximized for 4 m/o Sm 2 (SO 4 ) 3 , is more than three orders of magnitude at