EXAFS determination of cation local order in layered perovskites
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Sociedad Mexicana de Física A.C.
2008
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| _version_ | 1876449419718557696 |
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| author | M.E. Montero-Cabrera |
| author_facet | M.E. Montero-Cabrera |
| contents | EXAFS determination of cation local order in layered perovskites M.E. Montero-Cabrera L. Fuentes-Montero L. Fuentes Cobas J.A. Duarte Moller M. García-Guadarrama S. Webb A. Mehta Física, Astronomía y Matemáticas EXAFS local order Aurivillius ceramic synchrotron radiation EXAFS analysis of Bi6Ti3Fe2O18 Aurivillius ceramic was performed to elucidate the local environment of Fe cations. Experiments wereperformed at Stanford Synchrotron Radiation Laboratory, at T = 10, 30, 50, 75, 100 and 298 K, in fluorescence regime. EXAFS spectrawere processed using the ab initio multiple scattering program FEFF6. Distances among representative atomic pairs were refined. As a basicresult, the previous hypothesis suggested by X-ray diffraction experiments, regarding a preference of iron atoms for the centered perovskitelayer of the unit cell, was confirmed 2008 artículo científico 0035-001X https://www.redalyc.org/articulo.oa?id=57054110 en http://www.redalyc.org/revista.oa?id=570 Revista Mexicana de Física application/pdf Sociedad Mexicana de Física A.C. Revista Mexicana de Física (México) Num.1 Vol.54 |
| format | Artículo científico |
| id | redalyc_57054110 |
| institution | Redalyc |
| language | en |
| publishDate | 2008 |
| publisher | Sociedad Mexicana de Física A.C. |
| spellingShingle | EXAFS determination of cation local order in layered perovskites M.E. Montero-Cabrera Física, Astronomía y Matemáticas EXAFS local order Aurivillius ceramic synchrotron radiation EXAFS determination of cation local order in layered perovskites M.E. Montero-Cabrera L. Fuentes-Montero L. Fuentes Cobas J.A. Duarte Moller M. García-Guadarrama S. Webb A. Mehta Física, Astronomía y Matemáticas EXAFS local order Aurivillius ceramic synchrotron radiation EXAFS analysis of Bi6Ti3Fe2O18 Aurivillius ceramic was performed to elucidate the local environment of Fe cations. Experiments wereperformed at Stanford Synchrotron Radiation Laboratory, at T = 10, 30, 50, 75, 100 and 298 K, in fluorescence regime. EXAFS spectrawere processed using the ab initio multiple scattering program FEFF6. Distances among representative atomic pairs were refined. As a basicresult, the previous hypothesis suggested by X-ray diffraction experiments, regarding a preference of iron atoms for the centered perovskitelayer of the unit cell, was confirmed 2008 artículo científico 0035-001X https://www.redalyc.org/articulo.oa?id=57054110 en http://www.redalyc.org/revista.oa?id=570 Revista Mexicana de Física application/pdf Sociedad Mexicana de Física A.C. Revista Mexicana de Física (México) Num.1 Vol.54 |
| title | EXAFS determination of cation local order in layered perovskites |
| topic | Física, Astronomía y Matemáticas EXAFS local order Aurivillius ceramic synchrotron radiation |
| url | https://www.redalyc.org/articulo.oa?id=57054110 |