The local structures of LaFe(1-x)Ru(x)AsO (0.00 <= x <= 0.80) compounds were investigated by means of pair distribution function analysis at room temperature; as a result, no phase separation or clustering takes place. Local distortions are no longer correlated beyond 15 Å for both pure and substituted samples, indicating that the presence of Ru atoms does not determine a notable variation in the length scale of the local distortion. Different types of short range correlation between Fe and Ru atoms do not produce significant changes in the pair distribution function.
Pair distribution function analysis of La(Fe1−xRux)AsO compounds / Martinelli, A.; Palenzona, A.; Ferdeghini, C.; Mazzani, Marcello; Bonfa', Pietro; Allodi, Giuseppe. - In: JOURNAL OF SOLID STATE CHEMISTRY. - ISSN 0022-4596. - 220:(2014), pp. 37-44. [10.1016/j.jssc.2014.08.001]
Pair distribution function analysis of La(Fe1−xRux)AsO compounds
BONFA', Pietro;
2014
Abstract
The local structures of LaFe(1-x)Ru(x)AsO (0.00 <= x <= 0.80) compounds were investigated by means of pair distribution function analysis at room temperature; as a result, no phase separation or clustering takes place. Local distortions are no longer correlated beyond 15 Å for both pure and substituted samples, indicating that the presence of Ru atoms does not determine a notable variation in the length scale of the local distortion. Different types of short range correlation between Fe and Ru atoms do not produce significant changes in the pair distribution function.
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