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Repositorio Atenea de la Facultad de Ciencias, UNAM >
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http://hdl.handle.net/11154/3109
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| Title: | JAHN-TELLER CALCULATIONS FOR CUO4 AND FEO4 CLUSTERS IN THE ND1.85CE0.15CU0.99FE0.01O4-DELTA |
| Authors: | CALLES, A
CASTRO, JJ
SALCIDO, A
CABRERA, A
GOMEZ, R
ESCUDERO, R
Aburto, S
Jiménez, M
Marquina, V
Yépez , E
Marquina-Fábrega, María Luisa |
| Issue Date: | 1991 |
| Abstract: | The Jahn-Teller distortion mechanism in the Nd2-xCexCuO4 is analyzed. This analysis is based on a quasi-molecular model for the CuO4 cluster having D4h symmetry. In order to compare with experimental Mossbauer measurements in the doped Nd1.85Ce0.15Cu0.99Fe0.01 O4-delta superconductor, the FeO4 cluster is also analyzed for the case of Fe2+ in the high spin state. The results show not evidence of a Jahn-Teller effect in these superconductors. |
| URI: | http://hdl.handle.net/11154/3109 |
| ISSN: | 0304-3843 |
| Appears in Collections: | Física
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