Abstract:
We have measured the pressure sensitivity of Tc in fluorinated HgBa2Ca2Cu3O8+δ (Hg-1223) ceramic samples with different F contents, applying pressures up to 30GPa. We obtained that Tc increases with increasing pressure, reaching different maximum values, depending on the F doping level, and decreases for a further increase of pressure. A new high Tc record (166 K±1 K) was achieved by applying pressure (23GPa) in a fluorinated Hg-1223 sample near the optimum doping level. Our results show that all our samples are at the optimal doping, and that fluorine incorporation decreases the crystallographic a-parameter concomitantly increasing the maximum attainable Tc. This effect reveals that the compression of the a-axis is one of the keys that controls the Tc of high-temperature superconductors. © EDP Sciences.
Registro:
| Documento: |
Artículo
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| Título: | High-pressure effects in fluorinated HgBa2Ca2Cu 3O8+δ |
| Autor: | Monteverde, M.; Acha, C.; Núñez-Regueiro, M.; Pavlov, D.A.; Lokshin, K.A.; Putilin, S.N.; Antipov, E.V. |
| Filiación: | CRTBT, CNRS, BP166, 38042 Grenoble Cedex 09, France
Laboratorio de Bajas Temperaturas, Departamento de Física, Ciudad Universitaria (C1428EHA), Buenos Aires, Argentina
Department of Chemistry, Moscow State University, Moscow 119992, Russian Federation
CONICET, Argentina
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| Año: | 2005
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| Volumen: | 72
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| Número: | 3
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| Página de inicio: | 458
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| Página de fin: | 464
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| DOI: |
http://dx.doi.org/10.1209/epl/i2005-10247-3 |
| Título revista: | Europhysics Letters
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| Título revista abreviado: | Europhys. Lett.
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| ISSN: | 02955075
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| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02955075_v72_n3_p458_Monteverde |
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Citas:
---------- APA ----------
Monteverde, M., Acha, C., Núñez-Regueiro, M., Pavlov, D.A., Lokshin, K.A., Putilin, S.N. & Antipov, E.V.
(2005)
. High-pressure effects in fluorinated HgBa2Ca2Cu 3O8+δ. Europhysics Letters, 72(3), 458-464.
http://dx.doi.org/10.1209/epl/i2005-10247-3---------- CHICAGO ----------
Monteverde, M., Acha, C., Núñez-Regueiro, M., Pavlov, D.A., Lokshin, K.A., Putilin, S.N., et al.
"High-pressure effects in fluorinated HgBa2Ca2Cu 3O8+δ"
. Europhysics Letters 72, no. 3
(2005) : 458-464.
http://dx.doi.org/10.1209/epl/i2005-10247-3---------- MLA ----------
Monteverde, M., Acha, C., Núñez-Regueiro, M., Pavlov, D.A., Lokshin, K.A., Putilin, S.N., et al.
"High-pressure effects in fluorinated HgBa2Ca2Cu 3O8+δ"
. Europhysics Letters, vol. 72, no. 3, 2005, pp. 458-464.
http://dx.doi.org/10.1209/epl/i2005-10247-3---------- VANCOUVER ----------
Monteverde, M., Acha, C., Núñez-Regueiro, M., Pavlov, D.A., Lokshin, K.A., Putilin, S.N., et al. High-pressure effects in fluorinated HgBa2Ca2Cu 3O8+δ. Europhys. Lett. 2005;72(3):458-464.
http://dx.doi.org/10.1209/epl/i2005-10247-3
