Ac susceptibility of bicrystal-like type-II superconducting films

C. Navau, E. Bartolomé, N. del Valle, D. X. Chen, E. Pardo, A. Sánchez, T. Puig, X. Obradors

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3 Citations (Scopus)

Abstract

The ac susceptibility of a type-II superconducting thin film divided into two halves by a narrow mid region with a smaller value of critical-current density is calculated by a model based on Bean's critical-state model and energy minimization. Results are compared to measurements of ac susceptibility as a function of ac-field amplitude of artificial bicrystal-like films prepared by photolithography patterning a gridline of holes on epitaxial YBCO thin films. A qualitative agreement is found between calculated and experimental results. © 2007 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)787-788
JournalPhysica C: Superconductivity and its Applications
Volume460-462 II
Issue numberSPEC. ISS.
DOIs
Publication statusPublished - 1 Sep 2007

Keywords

  • Ac susceptibility
  • HTS Superconductors
  • Magnetic granularity
  • Numerical simulations

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