High-Field Pauli-Limiting Behavior and Strongly Enhanced Upper Critical Magnetic Fields near the Transition Temperature of an Arsenic-Deficient LaO_0.9F_0.1FeAs_(1-δ) Superconductor

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dc.creatorFuchs, G.
dc.creatorDrechsler, S. -L.
dc.creatorKozlova, N.
dc.creatorBehr, G.
dc.creatorKoehler, A.
dc.creatorWerner, J.
dc.creatorNenkov, K.
dc.creatorHess, C.
dc.creatorKlingeler, R.
dc.creatorHamann-Borrero, J. E.
dc.creatorKondrat, A.
dc.creatorGrobosch, M.
dc.creatorNarduzzo, A.
dc.creatorKnupfer, M.
dc.creatorFreudenberger, J.
dc.creatorBuechner, B.
dc.creatorSchultz, L.
dc.date2008-06-04
dc.date2009-02-20
dc.date.accessioned2026-07-07T12:43:52Z
dc.date.available2026-07-07T12:43:52Z
dc.descriptionWe report upper critical field B_c2(T) data for disordered (arsenic-deficient) LaO_0.9F_0.1FeAs_(1-delta) in a wide temperature and magnetic field range up to 47 T. Because of the large linear slope of Bc2 about -5.4 T/K to -6.6 T/K near Tc = 28.5 K the T-dependence of the in-plane Bc2(T) shows a flattening near 23 K above 30 T which points to Pauli-limited behavior with Bc2(0) about 63-68 T. Our results are discussed in terms of disorder effects within conventional and unconventional superconducting pairings.
dc.descriptionChange of the title as suggested by the Editors, one author added, typos corrected, references updated, final published version
dc.identifierhttps://arxiv.org/abs/0806.0781
dc.identifierhttp://arxiv.org/abs/0806.0781
dc.identifierPhys. Rev. Lett. v. 101, 237003 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.237003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/220570
dc.subjectSuperconductivity
dc.titleHigh-Field Pauli-Limiting Behavior and Strongly Enhanced Upper Critical Magnetic Fields near the Transition Temperature of an Arsenic-Deficient LaO_0.9F_0.1FeAs_(1-δ) Superconductor
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