Electrical conductivity of LaCoxFe1-xO3-δ and LaLi0.1Co xFe0.9-xO3-δ (0 ≤ x ≤ 0.4) oxides

被引：3

作者：

Vecherskii, S. I. ^{[1
]}

Tabatchikova, S. N. ^{[1
]}

Antonov, B. D. ^{[1
]}

Biryukov, V. A. ^{[1
]}

机构：

[1] Russian Acad Sci, Ural Branch, Inst High Temp Electrochem, Ekaterinburg 620219, Russia

来源：

INORGANIC MATERIALS | 2011年 / 47卷 / 12期

关键词：

SEEBECK COEFFICIENT; TRANSPORT;

D O I：

10.1134/S0020168511120211

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied the effect of Co and Li concentrations on the phase composition and electrical conductivity of LaCo (x) Fe1 - x O3 - delta and LaLi0.1Co (x) Fe0.9 - x O3 - delta perovskite-like oxides synthesized in air at 1470 K. Single-phase materials with an orthorhombic crystal structure were obtained in the range 0 a parts per thousand currency sign x a parts per thousand currency sign 0.3. The composition dependences of conductivity have a minimum at x (c) = 0.1 and 0.2, respectively. In the range x > 0.1, the conductivity of LaCo (x) Fe1 - x O3 - delta increases with increasing Co concentration for T > 700 K and decreases for T < 600 K. The conductivity of La(Li0.1Co (x) Fe0.9 - x )O3 - delta in the range 0 a parts per thousand currency sign x a parts per thousand currency sign 0.1 and for x a parts per thousand yen 0.2 increases with Co concentration throughout the temperature range studied.

引用

页码：1356 / 1360

页数：5

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