E 27 Effect of iron oxide on the properties of La0.9 Sr0.1 ScO3-α protonics / A. Yu. Stroeva , V. P. Gorelov, A. V. Kuz’min, V. G. Ponomareva , S. A. Petrov // Physics of the Solid State. - 2015. - Vol. 57, № 7. - P1334-1341. - Bibliogr. : p. 1341 (13 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): ЛЕГИРОВАНИЕ -- ТВЕРДЫЕ ЭЛЕКТРОЛИТЫ -- ЭЛЕКТРОПРОВОДНОСТЬ -- ИМПЕДАНС -- СПЕКТРОСКОПИЯ Аннотация: The effect of doping on the transport properties of solid electrolytes La0.9Sr0.1ScO2.95 + x FeO1.5 (x = 0.1–15.0 wt % FeO1.5) has been elucidated by investigating the electrical conductivity of these materials by the four-probe method and the impedance method as a function of external parameters, namely, temperature T (150–900°C), oxygen partial pressure pO2 (0.21 × 104–10−15 Pa), and humidity pH2O (0.04–2.35 kPa). Samples of the solid electrolytes have been investigated using X-ray powder diffraction, electron microscopy, and Mössbauer spectroscopy. |