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

A. Hu; N. Sakai; M. Murakami

doi:10.1063/1.1367305

Growth of single-domain (Sm_0.5Eu_0.5)Ba₂Cu₃O _7-δ with high T_c and J_c by employing a thermal gradient

A. Hu, N. Sakai, M. Murakami

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

49 Citations (Scopus)

Abstract

Bulk (Sm_0.5Eu_0.5)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-T_c value of 95 K and a plateau in the J_c-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 RE_1+xBa_2-xCu₃O_7-δ with low-x values.

Original language	English
Pages (from-to)	2539-2541
Number of pages	3
Journal	Applied Physics Letters
Volume	78
Issue number	17
DOIs	https://doi.org/10.1063/1.1367305
Publication status	Published - 2001 Apr 23
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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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.",

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AU - Hu, A.

AU - Sakai, N.

AU - Murakami, M.

PY - 2001/4/23

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N2 - 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.

AB - 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.

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Growth of single-domain (Sm_0.5Eu_0.5)Ba₂Cu₃O _7-δ with high T_c and J_c by employing a thermal gradient

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