Ac susceptibility of a melt-textured y Ba2 Cu3 Ox ring closed by a strong-coupling contact

D. X. Chen; E. Pardo; A. Sanchez

doi:10.1063/1.2753736

Ac susceptibility of a melt-textured y Ba2 Cu3 Ox ring closed by a strong-coupling contact

D. X. Chen, E. Pardo, A. Sanchez

Department of Physics

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

3 Citations (Scopus)

Abstract

The complex ac susceptibility = ′ -j ″ of a melt-textured Y Ba2 Cu3 Ox ring closed by a strong-coupling contact is measured after zero-field cooling to 77 K as a function of the ac field amplitude Hm and frequency f. The resulting (Hm, f) is similar to that derived from a power-law relation between the local current density and electric field but with maximum ″ (Hm) increasing steadily with increasing f, which is explained by the creep of Abrikosov-Josephson vortices along the contact driven by the London force of supercurrents and the Lorentz force of the induced normal currents. © 2007 American Institute of Physics.

Original language	English
Article number	012506
Journal	Applied Physics Letters
Volume	91
Issue number	1
DOIs	https://doi.org/10.1063/1.2753736
Publication status	Published - 19 Nov 2007

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title = "Ac susceptibility of a melt-textured y Ba2 Cu3 Ox ring closed by a strong-coupling contact",

abstract = "The complex ac susceptibility = ′ -j ″ of a melt-textured Y Ba2 Cu3 Ox ring closed by a strong-coupling contact is measured after zero-field cooling to 77 K as a function of the ac field amplitude Hm and frequency f. The resulting (Hm, f) is similar to that derived from a power-law relation between the local current density and electric field but with maximum ″ (Hm) increasing steadily with increasing f, which is explained by the creep of Abrikosov-Josephson vortices along the contact driven by the London force of supercurrents and the Lorentz force of the induced normal currents. {\textcopyright} 2007 American Institute of Physics.",

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AU - Pardo, E.

AU - Sanchez, A.

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N2 - The complex ac susceptibility = ′ -j ″ of a melt-textured Y Ba2 Cu3 Ox ring closed by a strong-coupling contact is measured after zero-field cooling to 77 K as a function of the ac field amplitude Hm and frequency f. The resulting (Hm, f) is similar to that derived from a power-law relation between the local current density and electric field but with maximum ″ (Hm) increasing steadily with increasing f, which is explained by the creep of Abrikosov-Josephson vortices along the contact driven by the London force of supercurrents and the Lorentz force of the induced normal currents. © 2007 American Institute of Physics.

AB - The complex ac susceptibility = ′ -j ″ of a melt-textured Y Ba2 Cu3 Ox ring closed by a strong-coupling contact is measured after zero-field cooling to 77 K as a function of the ac field amplitude Hm and frequency f. The resulting (Hm, f) is similar to that derived from a power-law relation between the local current density and electric field but with maximum ″ (Hm) increasing steadily with increasing f, which is explained by the creep of Abrikosov-Josephson vortices along the contact driven by the London force of supercurrents and the Lorentz force of the induced normal currents. © 2007 American Institute of Physics.

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DO - 10.1063/1.2753736

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