Self-fields in thin superconducting tapes: Implications for the thickness effect in coated conductors

Alvaro Sanchez, Carles Navau, Nuria Del-Valle, Du Xing Chen, John R. Clem

Research output: Contribution to journalArticleResearchpeer-review

36 Citations (Scopus)

Abstract

A large decrease in transport current density has been observed in high-temperature superconducting films for increasing film thickness. In this work we theoretically explain the nature and the ubiquitous presence of this so-called thickness effect by analyzing the self-field created by the transport currents in the superconductor, assuming a realistic field-dependent critical-current density Jc. This knowledge can help in finding ways to improve transport current in superconducting films. © 2010 American Institute of Physics.
Original languageEnglish
Article number072510
JournalApplied Physics Letters
Volume96
Issue number7
DOIs
Publication statusPublished - 1 Mar 2010

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