Abstract:
We have measured transport properties as a function of temperature and pressure up to 30 GPa in the Nax Co O2 system. For the x=0.5 sample, the transition temperature at 53 K increases with pressure, while paradoxically the sample passes from an insulating state to a metallic ground state. Compression on the x=0.75 sample transforms the sample from a metallic state to an insulating state. We discuss our results in terms of interactions between band structure effects and Na+ order. © 2008 The American Physical Society.
Registro:
Documento: |
Artículo
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Título: | Pressure effects in the triangular layered cobaltites Nax Co O2 |
Autor: | Garbarino, G.; Monteverde, M.; Núñez-Regueiro, M.; Acha, C.; Foo, M.L.; Cava, R.J. |
Filiación: | Institut NÉEL, CNRS, Bât E, BP166, F-38042 Grenoble Cedex 9, France Laboratorio de Bajas Temperaturas, Departamento de Física, PAB I, 1428 Buenos Aires, Argentina Department of Chemistry and Materials Institute, Princeton University, NJ 08544, United States
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Año: | 2008
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Volumen: | 77
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Número: | 6
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DOI: |
http://dx.doi.org/10.1103/PhysRevB.77.064105 |
Título revista: | Physical Review B - Condensed Matter and Materials Physics
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Título revista abreviado: | Phys. Rev. B Condens. Matter Mater. Phys.
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ISSN: | 10980121
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CODEN: | PRBMD
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10980121_v77_n6_p_Garbarino |
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Citas:
---------- APA ----------
Garbarino, G., Monteverde, M., Núñez-Regueiro, M., Acha, C., Foo, M.L. & Cava, R.J.
(2008)
. Pressure effects in the triangular layered cobaltites Nax Co O2. Physical Review B - Condensed Matter and Materials Physics, 77(6).
http://dx.doi.org/10.1103/PhysRevB.77.064105---------- CHICAGO ----------
Garbarino, G., Monteverde, M., Núñez-Regueiro, M., Acha, C., Foo, M.L., Cava, R.J.
"Pressure effects in the triangular layered cobaltites Nax Co O2"
. Physical Review B - Condensed Matter and Materials Physics 77, no. 6
(2008).
http://dx.doi.org/10.1103/PhysRevB.77.064105---------- MLA ----------
Garbarino, G., Monteverde, M., Núñez-Regueiro, M., Acha, C., Foo, M.L., Cava, R.J.
"Pressure effects in the triangular layered cobaltites Nax Co O2"
. Physical Review B - Condensed Matter and Materials Physics, vol. 77, no. 6, 2008.
http://dx.doi.org/10.1103/PhysRevB.77.064105---------- VANCOUVER ----------
Garbarino, G., Monteverde, M., Núñez-Regueiro, M., Acha, C., Foo, M.L., Cava, R.J. Pressure effects in the triangular layered cobaltites Nax Co O2. Phys. Rev. B Condens. Matter Mater. Phys. 2008;77(6).
http://dx.doi.org/10.1103/PhysRevB.77.064105