杂质
氧气
微晶
接受者
电阻率和电导率
电导率
空位缺陷
固溶体
分析化学(期刊)
无机化学
化学
材料科学
物理化学
结晶学
凝聚态物理
物理
有机化学
工程类
色谱法
电气工程
作者
N.‐H. Chan,Rajesh Kumar Sharma,D. M. Smyth
出处
期刊:Journal of The Electrochemical Society
[The Electrochemical Society]
日期:1981-08-01
卷期号:128 (8): 1762-1769
被引量:430
摘要
The defect chemistry of polycrystalline has been studied by means of the equilibrium electrical conductivity as a function of temperature, oxygen activity, Sr/Ti ratio, and impurity additions. Reduction, excess , and acceptor impurities all contribute to the oxygen vacancy content and their effects are therefore highly interdependent. The effect of added donor‐impurities,e.g., 500 ppm Nb, is highly dependent on the presence and amount of excess .
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