Nonlinear surface impedance of Y-Ba-Cu-O films in a dc magnetic field

Menachem Tsindlekht*, Michael Golosovsky, Dan Davidov, Arne F. Jacob

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

We study the microwave power dependence of the surface impedance of YBCO epitaxial films in a dc magnetic field up to 0.7T. We demonstrate that the surface impedance of our films in the linear regime is dominated by weak links at low dc field and by vortices at high dc field. However, the microwave power dependence of the surface impedance arises mostly from the hysteretic rf vortex penetration.

Original languageEnglish
Pages (from-to)1295-1298
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Volume7
Issue number2 PART 2
DOIs
StatePublished - 1997

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