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Oxygen nonstoichiometry, mixed valency and mixed conduction in (La,Sr)(Co,Fe)O3−δ

✍ Scribed by Atsushi Mineshige; Jiro Abe; Masafumi Kobune; Yoshiharu Uchimoto; Tetsuo Yazawa

Book ID
108272317
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
236 KB
Volume
177
Category
Article
ISSN
0167-2738

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Oxygen Nonstoichiometry, Conductivity, and Seebeck Coefficient of La0.3Sr0.7Fe1−xGaxO2.65+δ Perovskites
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The total electrical conductivity and the Seebeck coefficient of perovskite phases La 0.3 Sr 0.7 Fe 1Àx Ga x O 2.65+d (x ¼ 020:4) were determined as functions of oxygen nonstoichiometry in the temperature range 650-9501C at oxygen partial pressures varying from 10 À4 to 0.5 atm. Doping with gallium