Perpendicular critical-state susceptibility of square superconducting films

D. X. Chen, C. Navau, N. Del-Valle, A. Sanchez

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16 Citations (Scopus)

Abstract

In order to better study the electromagnetic properties of superconducting films, the perpendicular critical-state ac susceptibility X= X′ -j X″ of a square superconducting film is numerically calculated using a magnetic energy minimization procedure as a function of the field amplitude Hm. The emphasis is put on the calculation accuracy of the low- Hm limit X0and the Hm at X″ = Xm″. It is shown that after having accurate X0, X (Hm) of the square film can be accurately scaled from the analytical X (Hm) of a thin disk. © 2008 American Institute of Physics.
Original languageEnglish
Article number202503
JournalApplied Physics Letters
Volume92
Issue number20
DOIs
Publication statusPublished - 30 May 2008

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