Synthesis and electrical characterisation of proton conducting gallates, la0.9-xPrxBa1.1GaO3.95

E. Kendrick; M. S. Islam; P. Slater

Synthesis and electrical characterisation of proton conducting gallates, la_0.9-xPr_xBa_1.1GaO_3.95

E. Kendrick^*, M. S. Islam, P. Slater

^*Corresponding author for this work

Research output: Contribution to conference (unpublished) › Paper › peer-review

4 Citations (Scopus)

Abstract

This paper reports the synthesis and conductivities of the gallium containing systems La_0.9-xPr_xBa_1.1GaO _3.95 and Nd_0.9Ba_1.1GaO_3.95. Measurements in dry atmospheres show a p-type contribution to the conductivity, while a comparison between dry and wet atmospheres shows evidence for proton conduction. Examination of the series La_0.9-xPr_xBa _1.1GaO_3.95. indicates that the level of electronic conductivity increases with increasing praseodymium content, such that for high Pr levels this appears to dominate the conductivity. In terms of proton conductivity, the sample La_0.7Pr_0.2Ba _1.1GaO_3.95 showed promising characteristics with a conductivity of ≈ 3 × 10^-4S cm^-1 at 500°C in wet atmospheres.

Original language	English
Pages	1142-1148
Number of pages	7
Publication status	Published - 2005
Event	9th International Symposium on Solid Oxide Fuel Cells, SOFC IX - Quebec, Canada Duration: 15 May 2005 → 20 May 2005

Conference

Conference	9th International Symposium on Solid Oxide Fuel Cells, SOFC IX
Country/Territory	Canada
City	Quebec
Period	15/05/05 → 20/05/05

ASJC Scopus subject areas

General Engineering

Cite this

@conference{3e408728b8604cc6b851a82bbb6c6222,

title = "Synthesis and electrical characterisation of proton conducting gallates, la0.9-xPrxBa1.1GaO3.95",

abstract = "This paper reports the synthesis and conductivities of the gallium containing systems La0.9-xPrxBa1.1GaO 3.95 and Nd0.9Ba1.1GaO3.95. Measurements in dry atmospheres show a p-type contribution to the conductivity, while a comparison between dry and wet atmospheres shows evidence for proton conduction. Examination of the series La0.9-xPrxBa 1.1GaO3.95. indicates that the level of electronic conductivity increases with increasing praseodymium content, such that for high Pr levels this appears to dominate the conductivity. In terms of proton conductivity, the sample La0.7Pr0.2Ba 1.1GaO3.95 showed promising characteristics with a conductivity of ≈ 3 × 10-4S cm-1 at 500°C in wet atmospheres.",

author = "E. Kendrick and Islam, {M. S.} and P. Slater",

year = "2005",

language = "English",

pages = "1142--1148",

note = "9th International Symposium on Solid Oxide Fuel Cells, SOFC IX ; Conference date: 15-05-2005 Through 20-05-2005",

}

TY - CONF

T1 - Synthesis and electrical characterisation of proton conducting gallates, la0.9-xPrxBa1.1GaO3.95

AU - Kendrick, E.

AU - Islam, M. S.

AU - Slater, P.

PY - 2005

Y1 - 2005

N2 - This paper reports the synthesis and conductivities of the gallium containing systems La0.9-xPrxBa1.1GaO 3.95 and Nd0.9Ba1.1GaO3.95. Measurements in dry atmospheres show a p-type contribution to the conductivity, while a comparison between dry and wet atmospheres shows evidence for proton conduction. Examination of the series La0.9-xPrxBa 1.1GaO3.95. indicates that the level of electronic conductivity increases with increasing praseodymium content, such that for high Pr levels this appears to dominate the conductivity. In terms of proton conductivity, the sample La0.7Pr0.2Ba 1.1GaO3.95 showed promising characteristics with a conductivity of ≈ 3 × 10-4S cm-1 at 500°C in wet atmospheres.

AB - This paper reports the synthesis and conductivities of the gallium containing systems La0.9-xPrxBa1.1GaO 3.95 and Nd0.9Ba1.1GaO3.95. Measurements in dry atmospheres show a p-type contribution to the conductivity, while a comparison between dry and wet atmospheres shows evidence for proton conduction. Examination of the series La0.9-xPrxBa 1.1GaO3.95. indicates that the level of electronic conductivity increases with increasing praseodymium content, such that for high Pr levels this appears to dominate the conductivity. In terms of proton conductivity, the sample La0.7Pr0.2Ba 1.1GaO3.95 showed promising characteristics with a conductivity of ≈ 3 × 10-4S cm-1 at 500°C in wet atmospheres.

UR - http://www.scopus.com/inward/record.url?scp=31744448571&partnerID=8YFLogxK

M3 - Paper

AN - SCOPUS:31744448571

SP - 1142

EP - 1148

T2 - 9th International Symposium on Solid Oxide Fuel Cells, SOFC IX

Y2 - 15 May 2005 through 20 May 2005