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2008 | 6 | 1 | 76-79

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Synthesis and superconducting properties of Nd0.33Eu0.08Gd0.58Ba2Cu3Oz materials


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We have studied the effect of the ratio of different rare-earth element on the superconducting properties and phase formation of (Nd0.33Eu0.08Gd0.58)Ba2Cu3Oz ceramic. Bulk NEG samples were prepared using the solid-state reaction process. The superconducting transition for Nd0.33Eu0.08Gd0.58Ba2Cu3Oz is T
c ≈90 K and the value of the critical current density (J
c) is 13.9 A/cm2 at 77 K under zero magnetic fields. This value is twice as high when compared with the (J
c) value of YBCO systems (J
c = 7.31 A/cm2). The obtained bulk sample was used for the production of superconducting Ag-sheathed tapes by OPIT method including hot rolling. The critical current density of the obtained tape (337 A/cm2) is one order higher than the one of the bulk sample.










Physical description


1 - 3 - 2008
26 - 3 - 2008


  • Georgi Nadjakov Institute of Solid State Physics, Bulgarian Academy of Science, 72 Tzarigradsko Chaussee Blvd., 1784, Sofia, Bulgaria
  • Georgi Nadjakov Institute of Solid State Physics, Bulgarian Academy of Science, 72 Tzarigradsko Chaussee Blvd., 1784, Sofia, Bulgaria
  • Central Laboratory of Mineralogy and Crystallography, Bulgarian Academy of Sciences, Acad. G. Bonchev Street, Block 107, 1113, Sofia, Bulgaria
  • Centre for Materials Research, Tallin Technical University, Ehitajate 5, Tallin, 19086, Estonia
  • University of Chemical Technology and Metallurgy, 8 Kl. Ohridski, 1756, Sofia, Bulgaria


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