Longitudinal disordering of vortex lattices in anisotropic superconductors

D. R. Harshman; E. H. Brandt; A. T. Fiory; M. Inui; D. B. Mitzi; L. F. Schneemeyer; J. V. Waszczak

doi:10.1103/PhysRevB.47.2905

Longitudinal disordering of vortex lattices in anisotropic superconductors

D. R. Harshman, E. H. Brandt, A. T. Fiory, M. Inui, D. B. Mitzi, L. F. Schneemeyer, J. V. Waszczak

Chemistry and Biochemistry

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36 Scopus citations

Abstract

Vortex disordering in superconducting crystals is shown to be markedly sensitive to penetration-depth anisotropy. At low temperature and high magnetic field, the muon-spin-rotation spectra for the highly anisotropic Bi2Sr2CaCu2O8+δ material are found to be anomalously narrow and symmetric about the applied field, in a manner consistent with a layered vortex sublattice structure with pinning-induced misalignment between layers. In contrast, spectra for the less-anisotropic YBa2Cu3O7-δ compounds taken at comparable fields are broader and asymmetric, showing that the vortex lattices are aligned parallel to the applied-field direction.

Original language	English
Pages (from-to)	2905-2908
Number of pages	4
Journal	Physical Review B
Volume	47
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.47.2905
State	Published - 1 Jan 1993

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Harshman, D. R., Brandt, E. H., Fiory, A. T., Inui, M., Mitzi, D. B., Schneemeyer, L. F., & Waszczak, J. V. (1993). Longitudinal disordering of vortex lattices in anisotropic superconductors. Physical Review B, 47(5), 2905-2908. https://doi.org/10.1103/PhysRevB.47.2905

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abstract = "Vortex disordering in superconducting crystals is shown to be markedly sensitive to penetration-depth anisotropy. At low temperature and high magnetic field, the muon-spin-rotation spectra for the highly anisotropic Bi2Sr2CaCu2O8+δ material are found to be anomalously narrow and symmetric about the applied field, in a manner consistent with a layered vortex sublattice structure with pinning-induced misalignment between layers. In contrast, spectra for the less-anisotropic YBa2Cu3O7-δ compounds taken at comparable fields are broader and asymmetric, showing that the vortex lattices are aligned parallel to the applied-field direction.",

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AU - Fiory, A. T.

AU - Inui, M.

AU - Mitzi, D. B.

AU - Schneemeyer, L. F.

AU - Waszczak, J. V.

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AB - Vortex disordering in superconducting crystals is shown to be markedly sensitive to penetration-depth anisotropy. At low temperature and high magnetic field, the muon-spin-rotation spectra for the highly anisotropic Bi2Sr2CaCu2O8+δ material are found to be anomalously narrow and symmetric about the applied field, in a manner consistent with a layered vortex sublattice structure with pinning-induced misalignment between layers. In contrast, spectra for the less-anisotropic YBa2Cu3O7-δ compounds taken at comparable fields are broader and asymmetric, showing that the vortex lattices are aligned parallel to the applied-field direction.

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