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      Bean-Livingston surface barriers for flux penetration in Bi 2Sr 2CaCu 2O 8+δ single crystals near the transition temperature

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      Author
      Mihalache V.
      Dede, M.
      Oral, A.
      Miu L.
      Date
      2011
      Source Title
      Physica C: Superconductivity and its Applications
      Print ISSN
      0921-4534
      Volume
      471
      Issue
      19-20
      Pages
      563 - 565
      Language
      English
      Type
      Article
      Item Usage Stats
      149
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      106
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      Abstract
      The first field for magnetic flux penetration H p in Bi 2Sr 2CaCu 2O 8+δ (Bi-2212) single crystals near the critical temperature T c was investigated from the local magnetic hysteresis loops registered for different magnetic field H sweeping rates by using a scanning Hall probe microscope (SHPM) with ∼1 μm effective spatial resolution. Evidences for a significant role of the surface barrier were obtained: the asymmetric shape of the magnetization loops and an anomalous change in the slope of H p(T) close to T c. © 2011 Elsevier B.V. All rights reserved.
      Keywords
      Bi-2212
      Magnetization loops
      SHPM
      Surface barriers
      Bean-Livingston surface barrier
      Bi-2212
      Critical temperatures
      Different-magnetic fields
      Flux penetration
      Magnetic flux penetration
      Magnetization loops
      Scanning hall probes
      SHPM
      Spatial resolution
      Surface barrier
      Surface barriers
      Sweeping rate
      Diffractive optics
      Hysteresis loops
      Magnetic fields
      Magnetic flux
      Magnetic materials
      Magnetization
      Single crystals
      Permalink
      http://hdl.handle.net/11693/21764
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.physc.2011.04.015
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