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Aggregation tendency of guest Fe in NaCo1−xFexO2 (x < 0.1) as investigated by systematic EXAFS analysis
2020
Scientific Reports
In transition metal (M) compounds, the partial substitution of the host transition metal (Mh) to guest one (Mg) is effective to improve the functionality. To microscopically comprehend the substitution effect, degree of distribution of Mg is crucial. Here, we propose that a systematic EXAFS analysis against the Mg concentration can reveal the spatial distribution of Mg. We chose NaCo1-xFexO2 as a prototypical M compound and investigated the local intermetal distance around the guest Fe
doi:10.1038/s41598-020-68147-3
pmid:32647321
fatcat:smam4ghxlbhsbgjgtsbks5ncum