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

E. Dul'kin

doi:10.1134/1.1707166

Detecting Mixed State in YBa₂Cu₃O_7-x Superconductors by Method of Acoustic Emission

E. Dul'kin^*

^*Corresponding author for this work

Department of Applied Physics

Research output: Contribution to journal › Article › peer-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 (H_c1), 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 language	English
Pages (from-to)	200-201
Number of pages	2
Journal	Technical Physics Letters
Volume	30
Issue number	3
DOIs	https://doi.org/10.1134/1.1707166
State	Published - Mar 2004

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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.",

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Detecting Mixed State in YBa₂Cu₃O_7-x Superconductors by Method of Acoustic Emission

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