Electrical conductivity of the proton conductor BaZr0.9Y0.1O3−δ obtained by high temperature annealing
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Date
2007-10
Publication Type
Journal Article
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Abstract
The influence of a high temperature annealing (∼ 2200 °C) on the microstructure and the electrical properties of BaZr0.9Y0.1O3−δ has been examined. The high temperature annealing was achieved using an optical floating zone furnace. The obtained sample is homogeneous with an average grain size of about 5 μm. No additional phases were found in the XRD pattern and the structure was identified to be cubic. After the high temperature annealing, the grain boundary conductivity is increased by approximately two orders of magnitude, while the bulk conductivity remains the same.
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published
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Volume
178 (25-26)
Pages / Article No.
1437 - 1441
Publisher
Elsevier
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Subject
BZY; Proton conductor; Perovskite; Grain boundary; Optical floating zone
Organisational unit
02509 - Laboratorium für Neutronenstreuung / Laboratory for Neutron Scattering