Growth of single-domain (Sm0.5Eu0.5)Ba2Cu3O 7-δ with high Tc and Jc by employing a thermal gradient

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Abstract

Bulk (Sm0.5Eu0.5)Ba2Cu3O 7-δ superconductors were grown isothermally and with a vertical thermal gradient of -5°C/cm in air. The crystals grown at a large growth rate under the thermal gradient exhibited a high-Tc value of 95 K and a plateau in the Jc-B curve at 1-4 T at 77 K with postannealing in Ar. We found that the substitution of Ba by rare-earth (RE) elements could be suppressed with a large growth rate. The narrow range of RE-Ba solid solution was attributed to the fast crystallization rate of RE1+xBa2-xCu3O7-δ with low-x values.

Original languageEnglish
Pages (from-to)2539-2541
Number of pages3
JournalApplied Physics Letters
Volume78
Issue number17
DOIs
Publication statusPublished - 2001 Apr 23

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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