Oxygen stoichiometry in the (Ba0. 5La0. 5)(Fe1− xCux) O3− w (x= 0–1) perovskite system
K Lehmus, M Karppinen, M Matvejeff, J Lindén… - International Journal of …, 2001 - Elsevier
Oxygen stoichiometry in the perovskite system (Ba0. 5La0. 5)(Fe1− xCux) O3− w with x
varying in the range of 0 to 1 was studied by thermogravimetry, 57Fe Mössbauer
spectroscopy and different wet-chemical analysis methods. Both the maximum oxygen
content and the amount of removable oxygen strongly depended on the copper-to-iron ratio.
In this respect the samples containing both copper and iron were nearly identical but differed
from the end members of the system. In the samples with 0.1≤ x≤ 0.85 the maximum …
varying in the range of 0 to 1 was studied by thermogravimetry, 57Fe Mössbauer
spectroscopy and different wet-chemical analysis methods. Both the maximum oxygen
content and the amount of removable oxygen strongly depended on the copper-to-iron ratio.
In this respect the samples containing both copper and iron were nearly identical but differed
from the end members of the system. In the samples with 0.1≤ x≤ 0.85 the maximum …
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