Flux pinning in melt grown LRE123 superconductors

M. Murakami; N. Sakai; T. Higuchi; N. Chikumoto; S. I. Yoo

doi:10.1007/BF00753952

Flux pinning in melt grown LRE123 superconductors

M. Murakami, N. Sakai, T. Higuchi, N. Chikumoto, S. I. Yoo

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

4 Citations (Scopus)

Abstract

Unlike Y123 which forms only a stoichiometric compound, the light rare earth elements (LRE: La, Nd, Sm, Eu, Gd) form a solid solution LRE_1+xBa_2-xCu₃O_y. When LRE123 superconductors are melt-processed in a reduced oxygen atmosphere, they exhibit high T_c's and large J_c values in high magnetic fields associated with a second peak effect. We believe that such a behavior is closely related to the presence of a LRE-Ba solid solution. In this paper we propose the flux pinning mechanism of LRE 123, and then discuss the source of the peak effect.

Original language	English
Pages (from-to)	1751-1760
Number of pages	10
Journal	Journal of Low Temperature Physics
Volume	105
Issue number	5-6
DOIs	https://doi.org/10.1007/BF00753952
Publication status	Published - 1996 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Materials Science(all)
Condensed Matter Physics

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10.1007/BF00753952

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title = "Flux pinning in melt grown LRE123 superconductors",

abstract = "Unlike Y123 which forms only a stoichiometric compound, the light rare earth elements (LRE: La, Nd, Sm, Eu, Gd) form a solid solution LRE1+xBa2-xCu3Oy. When LRE123 superconductors are melt-processed in a reduced oxygen atmosphere, they exhibit high Tc's and large Jc values in high magnetic fields associated with a second peak effect. We believe that such a behavior is closely related to the presence of a LRE-Ba solid solution. In this paper we propose the flux pinning mechanism of LRE 123, and then discuss the source of the peak effect.",

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AU - Murakami, M.

AU - Sakai, N.

AU - Higuchi, T.

AU - Chikumoto, N.

AU - Yoo, S. I.

PY - 1996/1/1

Y1 - 1996/1/1

N2 - Unlike Y123 which forms only a stoichiometric compound, the light rare earth elements (LRE: La, Nd, Sm, Eu, Gd) form a solid solution LRE1+xBa2-xCu3Oy. When LRE123 superconductors are melt-processed in a reduced oxygen atmosphere, they exhibit high Tc's and large Jc values in high magnetic fields associated with a second peak effect. We believe that such a behavior is closely related to the presence of a LRE-Ba solid solution. In this paper we propose the flux pinning mechanism of LRE 123, and then discuss the source of the peak effect.

AB - Unlike Y123 which forms only a stoichiometric compound, the light rare earth elements (LRE: La, Nd, Sm, Eu, Gd) form a solid solution LRE1+xBa2-xCu3Oy. When LRE123 superconductors are melt-processed in a reduced oxygen atmosphere, they exhibit high Tc's and large Jc values in high magnetic fields associated with a second peak effect. We believe that such a behavior is closely related to the presence of a LRE-Ba solid solution. In this paper we propose the flux pinning mechanism of LRE 123, and then discuss the source of the peak effect.

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Flux pinning in melt grown LRE123 superconductors

Abstract

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