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Garbarino, G.; Monteverde, M.; Núñez-Regueiro, M.; Acha, C.; Weht, R.; He, T.; Regan, K.A.; Rogado, N.; Hayward, M.; Cava, R.J. "Pressure dependence of the superconducting transition temperature of MgCNi3" (2004) Proceedings of the International Conference on Materials. 408-410(1-4):754-755
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Abstract:

The new superconductor MgCNi3 with a TC∼8 K is an interesting candidate for non-conventional superconductivity as it is in the borderline of ferromagnetism. We have performed a systematic study of several samples of this compound under pressures up to 25 GPa, measuring the electrical resistivity between 1 and 300 K. We observe a slight increase of the critical superconducting transition temperature at high pressures. Our results are compared with the evolution under pressure of the calculated electronic band structure. © 2004 Elsevier B.V. All rights reserved.

Registro:

Documento: Artículo
Título:Pressure dependence of the superconducting transition temperature of MgCNi3
Autor:Garbarino, G.; Monteverde, M.; Núñez-Regueiro, M.; Acha, C.; Weht, R.; He, T.; Regan, K.A.; Rogado, N.; Hayward, M.; Cava, R.J.
Ciudad:Rio de Janeiro
Filiación:Ctr. Rech. sur les Tres Basses Temp., C.N.R.S., 25 Avenue des Martyrs, 38042 Grenoble Cedex 9, France
Depto. de Física, Lab. de Bajas Temperaturas, Ciudad Universitaria, PAB I (C1428EHA) Buenos Aires, Argentina
Departamento de Física, CNEA, Avda. General Paz y Constituyentes, 1650 San Martin, Argentina
Department of Chemistry, Materials Institute, Princeton University, Princeton, NJ 08544, United States
Palabras clave:Pressure effects; Superconductivity; Magnetic fluctuations; Pressure stiffening; Spin fluctuations; Structural transition; Band structure; Crystal lattices; Electric conductivity; Electronic density of states; Ferromagnetism; Phase transitions; Polycrystals; Pressure distribution; Pressure effects; Superconducting materials; Superconducting transition temperature; Magnesium compounds
Año:2004
Volumen:408-410
Número:1-4
Página de inicio:754
Página de fin:755
DOI: http://dx.doi.org/10.1016/j.physc.2004.03.078
Título revista:Proceedings of the International Conference on Materials
Título revista abreviado:Phys C Supercond Appl
ISSN:09214534
CODEN:PHYCE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09214534_v408-410_n1-4_p754_Garbarino

Referencias:

  • He, T., Huang, Q., Ramirez, A.P., Wang, Y., Regan, K.A., Rogado, N., Hayward, M.A., Cava, R.J., (2001) Nature, 411, p. 54
  • Rosner, H., Weht, R., Johannes, M.D., Pickett, W.E., Tosatti, E., (2002) Phys. Rev. Lett., 88, p. 027001
  • Amos, T.G., Huang, Q., Lynn, J.W., He, T., Cava, R.J., (2001) Sol. State Comm., 121, p. 73
  • Kumary, T.G., (2002) Phys. Rev. B, 66, p. 064510
  • G. Garbarino, et al., in press; Ignatov, A.Yu., Tyson, T.A., Savrasov, S.Yu., American Physical Society March Meeting 2003, , communication presented at the, abs. K21.010

Citas:

---------- APA ----------
Garbarino, G., Monteverde, M., Núñez-Regueiro, M., Acha, C., Weht, R., He, T., Regan, K.A.,..., Cava, R.J. (2004) . Pressure dependence of the superconducting transition temperature of MgCNi3. Proceedings of the International Conference on Materials, 408-410(1-4), 754-755.
http://dx.doi.org/10.1016/j.physc.2004.03.078
---------- CHICAGO ----------
Garbarino, G., Monteverde, M., Núñez-Regueiro, M., Acha, C., Weht, R., He, T., et al. "Pressure dependence of the superconducting transition temperature of MgCNi3" . Proceedings of the International Conference on Materials 408-410, no. 1-4 (2004) : 754-755.
http://dx.doi.org/10.1016/j.physc.2004.03.078
---------- MLA ----------
Garbarino, G., Monteverde, M., Núñez-Regueiro, M., Acha, C., Weht, R., He, T., et al. "Pressure dependence of the superconducting transition temperature of MgCNi3" . Proceedings of the International Conference on Materials, vol. 408-410, no. 1-4, 2004, pp. 754-755.
http://dx.doi.org/10.1016/j.physc.2004.03.078
---------- VANCOUVER ----------
Garbarino, G., Monteverde, M., Núñez-Regueiro, M., Acha, C., Weht, R., He, T., et al. Pressure dependence of the superconducting transition temperature of MgCNi3. Phys C Supercond Appl. 2004;408-410(1-4):754-755.
http://dx.doi.org/10.1016/j.physc.2004.03.078