Magnetic suspension, critical current, and morphology in YBa 2Cu3O7-x-silver composites

S. Reich; D. Veretnik; I. Felner; U. Yaron

doi:10.1063/1.352094

Magnetic suspension, critical current, and morphology in YBa ₂Cu₃O_7-x-silver composites

S. Reich^*, D. Veretnik, I. Felner, U. Yaron

^*Corresponding author for this work

Racah Institute of Physics

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

16 Scopus citations

Abstract

In this article we try to elucidate the link between the morphological structure of YBa₂Cu₃O_7-x (YBCO)-silver composite sintered at 980°C and the high flux pinning observed in this material. This YBCO/Ag system exhibits the suspension phenomenon in magnetic field gradient. The surface of the large YBCO grains is doped with silver and exhibits a high T_c=95 K. This doped phase shows a longer c axis than regular YBCO ceramic material. We believe that this high T_c phase forms a network of superconducting "rings localized on the YBCO large grains. This network is probably the source of the high flux trapping phenomenon in the composite material.

Original language	English
Pages (from-to)	4805-4811
Number of pages	7
Journal	Journal of Applied Physics
Volume	72
Issue number	10
DOIs	https://doi.org/10.1063/1.352094
State	Published - 1992

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abstract = "In this article we try to elucidate the link between the morphological structure of YBa2Cu3O7-x (YBCO)-silver composite sintered at 980°C and the high flux pinning observed in this material. This YBCO/Ag system exhibits the suspension phenomenon in magnetic field gradient. The surface of the large YBCO grains is doped with silver and exhibits a high Tc=95 K. This doped phase shows a longer c axis than regular YBCO ceramic material. We believe that this high Tc phase forms a network of superconducting {"}rings localized on the YBCO large grains. This network is probably the source of the high flux trapping phenomenon in the composite material.",

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AU - Yaron, U.

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AB - In this article we try to elucidate the link between the morphological structure of YBa2Cu3O7-x (YBCO)-silver composite sintered at 980°C and the high flux pinning observed in this material. This YBCO/Ag system exhibits the suspension phenomenon in magnetic field gradient. The surface of the large YBCO grains is doped with silver and exhibits a high Tc=95 K. This doped phase shows a longer c axis than regular YBCO ceramic material. We believe that this high Tc phase forms a network of superconducting "rings localized on the YBCO large grains. This network is probably the source of the high flux trapping phenomenon in the composite material.

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Magnetic suspension, critical current, and morphology in YBa ₂Cu₃O_7-x-silver composites

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