scholarly journals Oxygen Exchange and Diffusion Coefficients of Strontium‐Doped Lanthanum Ferrites by Electrical Conductivity Relaxation

1997 ◽  
Vol 144 (3) ◽  
pp. 1060-1067 ◽  
Author(s):  
J. E. ten Elshof ◽  
M. H. R. Lankhorst ◽  
H. J. M. Bouwmeester
Keyword(s):  
Electrical Conductivity ◽  
Diffusion Coefficients ◽  
Oxygen Exchange ◽  
Conductivity Relaxation ◽  
Electrical Conductivity Relaxation ◽  
And Diffusion

A Study of the Oxygen Transport Kinetics in SrFeO3-x

2002 ◽  
Vol 756 ◽  
Author(s):  
Jiho Yoo ◽  
Allan J. Jacobson
Keyword(s):  
Electrical Conductivity ◽  
Oxygen Transport ◽  
Diffusion Coefficients ◽  
Abrupt Change ◽  
Vacancy Diffusion ◽  
Conductivity Relaxation ◽  
Surface Exchange ◽  
Electrical Conductivity Relaxation ◽  
Oxygen Ion ◽  
Thermodynamic Factors

ABSTRACTExperimental results from electrical conductivity relaxation (ECR) measurements on SrFeO3-x are described. Values of Dchem and kchem were obtained by monitoring the variation of the time dependence of the electrical conductivity after an abrupt change in the oxygen partial pressure. Values for the oxygen ion and vacancy diffusion coefficients were calculated from the measured thermodynamic factors and compared with those of other compositions in the series La1-xSrxFeO3-x. The surface exchange coefficients, kchem and kex were also determined.

scholarly journals Passivation and activation of La0.6Sr0.4FeO3 thin film electrodes

2020 ◽  
Vol 22 (27) ◽  
pp. 15418-15426 ◽  
Author(s):  
Đorđije Tripković ◽  
Rainer Küngas ◽  
Mogens Bjerg Mogensen ◽  
Peter Vang Hendriksen
Keyword(s):  
Thin Film ◽  
Electrical Conductivity ◽  
Electrochemical Impedance Spectroscopy ◽  
Water Treatment ◽  
Impedance Spectroscopy ◽  
Electrochemical Impedance ◽  
Oxygen Exchange ◽  
Conductivity Relaxation ◽  
Electrical Conductivity Relaxation ◽  
Exchange Activity

Thin La0.6Sr0.4FeO3 electrodes were investigated by electrochemical impedance spectroscopy and electrical conductivity relaxation below 600 °C. A simple water treatment was used to recover the oxygen exchange activity of the aged electrodes.

Electrical conductivity relaxation of Sr2Fe1.5Mo0.5O6−δ–Sm0.2Ce0.8O1.9dual-phase composites

2014 ◽  
Vol 2 (1) ◽  
pp. 136-143 ◽  
Author(s):  
Yunlong Wang ◽  
Bobing Hu ◽  
Zhuoying Zhu ◽  
Henny J. M. Bouwmeester ◽  
Changrong Xia
Keyword(s):  
Electrical Conductivity ◽  
Conductivity Relaxation ◽  
Electrical Conductivity Relaxation

An electrical conductivity relaxation study of La0.6Sr0.4Fe0.8Co0.2O3−

2003 ◽  
Vol 156 (1-2) ◽  
pp. 201-208 ◽  
Author(s):  
S Wang ◽  
P.A.W van der Heide ◽  
C Chavez ◽  
A.J Jacobson ◽  
S.B Adler
Keyword(s):  
Electrical Conductivity ◽  
Conductivity Relaxation ◽  
Electrical Conductivity Relaxation ◽  
Relaxation Study
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