Vibrational and structural properties of the \(R\)Fe\(_{4}\)Sb\(_{12}\) (\(R=\)Na, K, Ca, Sr, Ba) filled skutterudites

Vibrational and elastic properties of the \(R\)Fe\(_{4}\)Sb\(_{12}\) skutterudites are investigated by, respectively, temperature \((T)\) dependent extended X-ray absorption fine structure (EXAFS) and pressure \((P)\) dependent x-ray diffraction (XRD) experiments. The Fe \(K\)-edge EXAFS experiments...

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Bibliographic Details
Published in:arXiv.org 2022-08
Main Authors: de Abrantes, Juliana G, Cantarino, Marli R, Wagner R da Silva Neto, Freire, Victória V, Figueiredo, Alvaro G, Germano, Tarsis M, Mounssef, Bassim, Bittar, Eduardo M, Leithe-Jasper, Andreas, Garcia, Fernando A
Format: Article
Language:English
Subjects:
Barium
Bulk modulus
Calcium
Compressibility
Debye-Waller factor
Elastic properties
Experiments
Fine structure
Oscillators
Pressure dependence
Sodium
Strontium
Temperature dependence
X ray absorption
X-ray diffraction
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Summary:Vibrational and elastic properties of the \(R\)Fe\(_{4}\)Sb\(_{12}\) skutterudites are investigated by, respectively, temperature \((T)\) dependent extended X-ray absorption fine structure (EXAFS) and pressure \((P)\) dependent x-ray diffraction (XRD) experiments. The Fe \(K\)-edge EXAFS experiments of the \(R=\) K, Ca and Ba materials were performed in the \(T\)-interval \(6
ISSN:2331-8422
DOI:10.48550/arxiv.2203.14821