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Digitale Medien

Flux pinning in melt grown LRE123 superconductors (1996)

Murakami, M. ; Sakai, N. ; Higuchi, T. ; [weitere]

Springer

Journal of low temperature physics 105 (1996), S. 1751-1760

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Details

ISSN: 1573-7357

Schlagwort(e): 74.60 ec ; 74.60 Ge ; 74.60 Jg

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: 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.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00753952

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