Fig. 3: Oxide-ion conduction of CsBi2Ti2NbO10−δ.
From: Oxide-ion conduction in the Dion–Jacobson phase CsBi2Ti2NbO10−δ
a Oxide-ion transport number tion determined by oxygen concentration cell measurements of CsBi2Ti2NbO10−δ. b Partial oxygen pressure P(O2) dependence of total DC electrical conductivities σtot of CsBi2Ti2NbO10−δ at 973 K and the insets show the zoom-in view of high and low P(O2) regions. c Arrhenius plots of σtot of CsBi2Ti2NbO10−δ in dry and wet air. d Comparison of bulk conductivity σb of CsBi2Ti2NbO10−δ (CBTN) on cooling with those of best oxide-ion conductors: (Y2O3)0.08(ZrO2)0.92 (YSZ)54, Na0.5Bi0.49Ti0.98Mg0.02O2.965 (NBTM)55, Ba3MoNbO8.5 (BMN)36, Ce0.9Gd0.1O1.95 (GDC)56, La0.9Sr0.1Ga0.8Mg0.2O2.85 (LSGM)6, and La1.54Sr0.46Ga3O7.27 (melilite)57.
