Theoretical explanation of the non-equipotential quench behaviour in Y-Ba-Cu-O coated conductors

M. Breschi; Pier Luigi Ribani; X. Wang; J. Schwartz

doi:10.1088/0953-2048/20/4/L01

Theoretical explanation of the non-equipotential quench behaviour in Y-Ba-Cu-O coated conductors

M. Breschi, Pier Luigi Ribani, X. Wang, J. Schwartz

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

YBa₂Cu₃O_7-x (YBCO) coated conductors are realized by the deposition of a YBCO film atop thin (10^-6m) ceramic buffer layers, previously deposited upon a high resistance nickel alloy. On the other side of the tape a copper layer is often added to create an alternative current path during quenches. Several investigations have shown a different qualitative behaviour of the voltages measured on the nickel and copper sides of the tape. In this work we give a theoretical explanation for this phenomenon and point out the technical consequences it might have for the design of devices constructed using YBCO coated conductors.

Original language	English (US)
Article number	L01
Pages (from-to)	L9-L11
Journal	Superconductor Science and Technology
Volume	20
Issue number	4
DOIs	https://doi.org/10.1088/0953-2048/20/4/L01
State	Published - Apr 1 2007

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Condensed Matter Physics
Metals and Alloys
Electrical and Electronic Engineering
Materials Chemistry

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10.1088/0953-2048/20/4/L01

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abstract = "YBa2Cu3O7-x (YBCO) coated conductors are realized by the deposition of a YBCO film atop thin (10-6m) ceramic buffer layers, previously deposited upon a high resistance nickel alloy. On the other side of the tape a copper layer is often added to create an alternative current path during quenches. Several investigations have shown a different qualitative behaviour of the voltages measured on the nickel and copper sides of the tape. In this work we give a theoretical explanation for this phenomenon and point out the technical consequences it might have for the design of devices constructed using YBCO coated conductors.",

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AU - Schwartz, J.

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AB - YBa2Cu3O7-x (YBCO) coated conductors are realized by the deposition of a YBCO film atop thin (10-6m) ceramic buffer layers, previously deposited upon a high resistance nickel alloy. On the other side of the tape a copper layer is often added to create an alternative current path during quenches. Several investigations have shown a different qualitative behaviour of the voltages measured on the nickel and copper sides of the tape. In this work we give a theoretical explanation for this phenomenon and point out the technical consequences it might have for the design of devices constructed using YBCO coated conductors.

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Theoretical explanation of the non-equipotential quench behaviour in Y-Ba-Cu-O coated conductors

Abstract

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