PrBa2Cu3O7: band structure, optical conductivity and apical oxygen displacement
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| Format: | Artículo científico |
| Langue: | en |
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Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C.
2001
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| _version_ | 1866815754852106240 |
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| author | F. Puch |
| author_facet | F. Puch |
| contents | PrBa2Cu3O7: band structure, optical conductivity and apical oxygen displacement F. Puch R. Baquero Física, Astronomía y Matemáticas In this paper we present briefly the result of a tight-binding parametrization of the electronic band structure of PrBa2Cu3O7. We use it to calculate the normal state optical conductivity. We look further at the longly discussed problem of a possible displacement of the apical oxygen, O(4) in the standard notation, from its theoretical position. There is no consensus on whether this displacement takes actually place or not. We calculate the effect of the different possible displacement on the density of states near the Fermi level, and on the low frequency optical conductivity where we find measurable differences. 2001 artículo científico 1665-3521 https://www.redalyc.org/articulo.oa?id=94201308 en http://www.redalyc.org/revista.oa?id=942 Superficies y vacío application/pdf Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C. Superficies y vacío (México) Num.13 |
| format | Artículo científico |
| id | redalyc_94201308 |
| language | en |
| publishDate | 2001 |
| publisher | Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C. |
| spellingShingle | PrBa2Cu3O7: band structure, optical conductivity and apical oxygen displacement F. Puch Física, Astronomía y Matemáticas PrBa2Cu3O7: band structure, optical conductivity and apical oxygen displacement F. Puch R. Baquero Física, Astronomía y Matemáticas In this paper we present briefly the result of a tight-binding parametrization of the electronic band structure of PrBa2Cu3O7. We use it to calculate the normal state optical conductivity. We look further at the longly discussed problem of a possible displacement of the apical oxygen, O(4) in the standard notation, from its theoretical position. There is no consensus on whether this displacement takes actually place or not. We calculate the effect of the different possible displacement on the density of states near the Fermi level, and on the low frequency optical conductivity where we find measurable differences. 2001 artículo científico 1665-3521 https://www.redalyc.org/articulo.oa?id=94201308 en http://www.redalyc.org/revista.oa?id=942 Superficies y vacío application/pdf Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C. Superficies y vacío (México) Num.13 |
| title | PrBa2Cu3O7: band structure, optical conductivity and apical oxygen displacement |
| topic | Física, Astronomía y Matemáticas |
| url | https://www.redalyc.org/articulo.oa?id=94201308 |