Conductivity of Perovskites La0.9Sr0.1Sc1-xFexO3-α (x=0.003-0.47) in Oxidizing and Reducing Atmospheres

被引：6
|
作者：
Stroeva, A. Yu. [1 ]
Gorelov, V. P. [1 ]
Kuz'min, A. V. [1 ,2 ]
机构：
[1] Russian Acad Sci, Inst High Temp Electrochem, Ural Branch, Ul Akad Skaya 20, Ekaterinburg 620137, Russia
[2] Ural Fed Univ, Ul Mira 19, Ekaterinburg 620002, Russia
来源：
PHYSICS OF THE SOLID STATE | 2016年 / 58卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
SOLID-ELECTROLYTE; PROTON; OXIDE; TEMPERATURE;
D O I：
10.1134/S1063783416080278
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The conductivity of single-phase ceramic materials based on proton-conducting perovskite La0.9Sr0.1ScO3 - alpha containing from 0.3 to 47 at % Fe in the scandium sublattice has been studied. Synthesis has been performed by burning with ethylene glycol. Measurements have been carried out by the four-probe (500-900 degrees C) and impedance (100-500 degrees C) methods in oxidizing and reducing atmospheres, as well as at different pressures p(O2)(2.1 x 10(4)-10(-15) Pa) and p(H2O) (0.04-2.5 kPa). Substitution of scandium with iron significantly decreases the proton conductivity.
引用
收藏
页码：1521 / 1527
页数：7
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