Evidence for three-dimensional flux creep in thin-film Bi₂Sr₂CaCu₂O₈₊δ Public Deposited

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  • Evidence for three-dimensional flux creep in thin-film Bi2Sr2CaCu2O8+delta
  • Evidence for three-dimensional flux creep in thin-film Bi₂Sr₂CaCu₂O₈₊[subscript δ]
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  • We have measured sweep-rate-dependent magnetization hysteresis curves of thin-film Bi₂Sr₂CaCu₂O[subscript 8+δ] using a Hall probe magnetometer in an unconventional geometry. We find a structure in the response well below the three-dimensional to two-dimensional crossover field. The observed strong enhancement of the perpendicular field component’s creep rate in the presence of an in-plane applied magnetic field is in contrast to recent findings. We attribute this to the existence of a finite correlation length between vortex pancakes along the field direction larger than the interlayer spacing leading to a three-dimensional behavior of flux lines in Bi₂Sr₂CaCu₂O[subscript 8+δ] at 77 K.
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  • Karapetrov, G., & Tate, J. (1995). Evidence for three-dimensional flux-creep in thin-film Bi₂Sr₂CaCu₂O₈₊δ. Physical Review B, 52(5), 3776-3783. doi:10.1103/PhysRevB.52.3776
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  • description.provenance : Made available in DSpace on 2013-10-22T23:15:13Z (GMT). No. of bitstreams: 1 TateJanetPhysicsEvidenceThreeDimensional.pdf: 509971 bytes, checksum: 5e2237cc07e26ae023aaeb8b183f4838 (MD5) Previous issue date: 1995-08-01
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  • description.provenance : Approved for entry into archive by Deanne Bruner(deanne.bruner@oregonstate.edu) on 2013-10-22T23:15:13Z (GMT) No. of bitstreams: 1 TateJanetPhysicsEvidenceThreeDimensional.pdf: 509971 bytes, checksum: 5e2237cc07e26ae023aaeb8b183f4838 (MD5)

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