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Dynamic crossover from pinning controlled to geometrical barrier controlled flux penetration in Bi2Sr2CaCu2O delta high-temperature superconductor

Bocuk, H; Dorosinskii, L; Topal, U


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{
  "URL": "https://aperta.ulakbim.gov.tr/record/95439", 
  "abstract": "Penetration of AC field in BSCCO-2212 single crystals was studied using the magneto-optic technique. Profiles of the field amplitude were measured across the sample. The profile shape was found to change essentially with the field frequency. At lower frequencies the profiles have a dome-like shape characteristic of the geometrical barrier, whereas at higher frequencies the profiles acquire a typical Bean-like shape manifesting the flux pinning. Measurements at higher frequencies have shown that pinning is effective in the whole temperature range up to T-C. This shows that the position of the depinning line, which is commonly supposed to lie well below T-C even in zero field, has to be corrected to take into account the giant flux creep in BSCCO. (C) 2002 Elsevier Science B.V. All rights reserved.", 
  "author": [
    {
      "family": "Bocuk", 
      "given": " H"
    }, 
    {
      "family": "Dorosinskii", 
      "given": " L"
    }, 
    {
      "family": "Topal", 
      "given": " U"
    }
  ], 
  "container_title": "PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS", 
  "id": "95439", 
  "issue": "4", 
  "issued": {
    "date-parts": [
      [
        2002, 
        1, 
        1
      ]
    ]
  }, 
  "page": "561-564", 
  "title": "Dynamic crossover from pinning controlled to geometrical barrier controlled flux penetration in Bi2Sr2CaCu2O delta high-temperature superconductor", 
  "type": "article-journal", 
  "volume": "377"
}
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