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Evidence for diverging barriers in the disordered vortex solid in the (K,Ba)BiO(3) superconducting oxide
1Laboratoire d'Etudes des Propriétés Electroniques des Solides, Centre National de la Recherche Scientifique, BP 166, 38042 Grenoble Cedex 9, France.
Physical Review Letters
|November 3, 2001
Abstract:
Vortex dynamics has been investigated in the cubic (K,Ba)BiO (3) superconductor using ac susceptibility measurements on a large frequency range (0.03 Hz