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Accueil du site > Thèmes de Recherche > Vortex state properties

Supraconductivité

Vortex state properties

 

Superconducting transport properties - Scaling laws

 

Magnetic Field dependence of the critical currents in Bi2Sr2CaCu2O8/Bi2Sr2CuO6 Multilayers : An Approach to an Ideal Two Dimensional Superconductor S. Labdi, S.F. Kim, Z.Z. Li, S. Megtert, and H. Raffy, O. Laborde and P. Monceau - Phys. Rev. Letters 79, 1381 (1997).

 

Scaling laws Scaling Properties of the Anisotropic Magnetoresistivity of Bi2Sr2CaCu2O8 Thin Films below Tc. H. Raffy, S. Labdi, O. Laborde and P. Monceau - Phys. Rev. Letters 66, 2515, (1991).

 

Scaling of the mixed state magnetoresistance of high-Tc superconductors in terms of two-dimensional superconducting fluctuations H. Raffy, S. Labdi, O. Laborde and P. Monceau - Physica C 184, 159, (1991).

 

Correlated defects and structures

 

 

Anisotropy and vortex behaviour in BiSrCaCuO thin films and multilayers probed by columnar pinning centers, H. Raffy, C. D. Murrills, A. Pomar, G. Stiufiuc, R. Stiufiuc, and Z. Z. Li - Physica Status Solidi. (a) 203, 2938, (2006).

 

Thermodynamics of the vortex liquid in heavy ion-irradiated superconductors Cornelis J. van der Beek, Marcin Konczykowski, Luc Fruchter, René Brusetti, Thierry Klein, Jacques Marcus, Christophe Marcenat Cond-mat/0504100 - Phys. Rev. B 72, 214504 (2005).

 

Vortex pinning by columnar defects in Bi2 Sr2 CuOy thin films : A detailed study of the directional effect A. Pomar, L. Martel, Z. Z. Li, and H. Raffy - Phys. Rev. B 63, 134525 (2001).

 

Reentrant pinning effect in the vortex liquid phase of a quasi- two- dimensional Bi2Sr2Cu2O8/Bi2Sr2CuO6 multilayer with columnar defects A. Pomar, L. Martel, Z.Z. Li, O. Laborde, and H. Raffy - Phys. Rev. B, Rapid Comm., 63, 020504-1to4, (2001).

 

Evidence for an angular-dependent contribution from columnar defects to the equilibrium magnetization of YBa2Cu3O7- delta Hayani B., Johnson S.T., Fruchter L., van-der-Beek C.J. - Physical Review B 61, 717 (2000).

 

Pinning properties and anisotropy. Interplay of Self-Doping and Disorder in Epitaxial Bi2Sr2Can-1CunO2n+4+x (n=1, 2) Thin Films under Heavy-Ion Irradiation A. Pomar, Z. Konstantinovic, L. Martel, Z.Z. Li, and H. Raffy - Phys. Rev. Letters 85, 2809-2812, (2000).

 

Pinning Effect of Columnar Defects as a Probe of Anisotropy of Bi2Sr2Can-1CunO2n+1 thin Films L. Martel, A. Pomar, Z.Z. Li, and H. Raffy - Physica C 341-348, 1297 (2000).

 

Field-induced pinning in the vortex liquid phase of heavy-ion irradiated Bi2Sr2CaCu2O8 thin films and multilayersA. Pomar, L. Martel, Z.Z. Li, and H. Raffy - Physica C 341-348, pp 1355 (2000).

 

Evidence of two-dimensional Josephson strings in high-purity YBa2Cu3O7 - delta single crystals K. Deligiannis, S. Kokkaliaris, M. Oussena, P. A. J. de Groot, L. Fruchter, R. Gagnon and L. Taillefer - Physical Review B 59 (1999) 14772.

 

Locked-unlocked transition of the flux-line-lattice configuration for a (La1-xSr x)2CuO4/(x=0.075) single crystal with a small demagnetizing factor Vulcanescu V., Collin G., Kojima H., Tanaka I., Fruchter L. - Physical Rev. B vol. 50, 4139 (1994)

 

Mixed state, Vortex dynamics

 

 

Observation of interacting crossing vortex lattices in Bi2Sr2CaCu2O8+d thin films A. Crisan., S. J. Bending., S. Popa, Z.Z. Li., and H. Raffy. - Phys. Rev. B 72, 214509, (2005).

 

Fluxoid dynamics in superconducting thin films rings J.R. Kirtley, C.C. Tsuei, V. G. Kogan, J. R. Clem, H. Raffy, Z.Z. Li - Phys. Rev. B 68, 214505, (2003) and cond-mat /0302415v2.

 

Continuous melting of a driven two-dimensional flux lattice with strong pins L. Fruchter - Eur. Phys. J. B 34, 173 (2003), cond-mat/0304523.

 

Anomalous dissipation in the mixed state of underdoped cuprates close to the superconductor-insulator boundary C. Capan and K. Behnia, Z. Z. Li and H. Raffy, C. Marin - Phys. Rev. B 67, 100507(R) (2003).

 

Transition to plastic motion as a critical phenomenon and anomalous interface layer of a 2D driven vortex lattice L. Fruchter - Eur. Phys. J. B 25, 313 (2002), cond-mat/0109423.

 

Metastable states of a driven flux lattice in a superconductor with strong pins L. Fruchter, Physica C 370, 157 (2002), cond-mat/0103027.

 

Fluid and plastic flow dynamics of the critical state for a strongly pinned 2D superconductor D. Monier, L. Fruchter - Eur. Phys. J. B, 17, 201 (2000), cond-mat/0006340.

 

Magnetothermal instabilities in an organic superconductor D. Monier, L. Fruchter - Eur. Phys. J. B, 3, 143 (1998).

 

Thermal-to-quantum crossover of the flux-line dynamics in Bi2Sr2CaCu2O8 Monier D., Fruchter L. - Physical Rev. B (Condensed-Matter). vol. 58, no. 14, 1 Oct. 1998, PRB 58, 8917 (1998).

 

Flux line pinning in the organic superconductor kappa -(BEDT-TTF) 2Cu(N(CN)2)Br Aburto A., Fruchter L. - Physica C. vol. 271, 214 (1996).