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

doi:10.1063/1.3315893

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

Department of Physics

Research output: Contribution to journal › Article › Research › peer-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 language	English
Article number	072510
Journal	Applied Physics Letters
Volume	96
Issue number	7
DOIs	https://doi.org/10.1063/1.3315893
Publication status	Published - 1 Mar 2010

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title = "Self-fields in thin superconducting tapes: Implications for the thickness effect in coated conductors",

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. {\textcopyright} 2010 American Institute of Physics.",

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AU - Navau, Carles

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AU - Clem, John R.

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AB - 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.

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JO - Applied Physics Letters

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

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