Simulation and study of the percolation effect in the magnetic susceptibility of high-temperature superconducting composites

E. Bruneel, I. Van Driessche, S. Hoste, A. Ramirez-Cuesta

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A simple model is proposed to analyze the relationship between susceptibility and composition in superconducting composites. The model is based on a random distribution of superconducting and nonsuperconducting phases and on the occurrence of shielding when a nonsuperconducting area is encapsulated by superconducting material. A three-dimensional simulation based on percolation theory is in agreement with our experimental data on a series of MgO-superconductor composites. A predicted percolation effect was observed and a maximum in shielding efficiency was determined.

Original languageEnglish
Pages (from-to)9176-9180
Number of pages5
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume61
Issue number13
DOIs
StatePublished - 2000
Externally publishedYes

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