Scaling of current-voltage curves in superconducting Bi-2223 silver-sheathed tape wires

Influence of nanoparticles on flux pinning properties in TFA-MOD processed YGdBCO coated conductor

“…The results were analyzed using the flux creep-flow model [3]. In the virtual flux-creep free case, the critical current density takes a value determined only by the flux pinning mechanism and its temperature and magnetic field dependence is assumed to be given by…”

“…The U 0 depends also on the superconducting layers thickness d in the two-dimensional pinning regime for thin superconductors. The theoretical formulae of U 0 are given by [3].…”

“…In this paper, the critical current density in TFA-MOD processed Y 1Àx Gd x Ba 2 Cu 3 O y (YGdBCO)-coated conductors with artificial BZO nanoparticles is estimated in various directions of the magnetic field, and the results are analyzed using the flux creep-flow model [3].…”

Investigation of Bi-2223 high temperature superconducting tape as the material for gradient coil in MRI

“…Unfortunately, Bi-2223 tapes have critical current degradation in a magnetic field. The physical mechanism for this degradation can be discussed either in terms of a vortex glass-liquid transition [19] or as a consequence of enhanced flux creep [20]. In addition, critical current degradation caused by a magnetic field is dependent on the orientation of the HTS grain with respect to the magnetic field.…”

Pinning in a porous high-temperature superconductor Bi2223

“…The majority of researchers have paid attention to the study of the phase diagram of Abrikosov vortices in textured polycrystals [11][12][13][14][15][16] with a predominant small scale pinning. In these works, the authors calculated the temperature of the transition to the vortex glass state T g .…”