Detecting Mixed State in YBa2Cu3O7-x Superconductors by Method of Acoustic Emission

E. Dul'kin*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The formation of a mixed state in YBa2Cu3O 7-x superconductors during the transport current buildup (i.e., under the action of the internal magnetic field) at T = 77 K was detected by method of acoustic emission (AE). The AE signals were detected for the currents of I = 0.5 and 2.7 A. The former signal corresponds to the lower critical magnetic field (Hc1), as was established previously [4]. It is shown that the latter signal corresponds to the formation of a mixed state. Application of the AE method to detecting overloads in high-power superconducting circuits is considered.

Original languageAmerican English
Pages (from-to)200-201
Number of pages2
JournalTechnical Physics Letters
Volume30
Issue number3
DOIs
StatePublished - Mar 2004

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