RAPID SOLIDIFICATION OF OXIDE SUPERCONDUCTORS IN THE Y‐Ba‐Cu‐O SYSTEM

J. McKittrick; L. ‐Q Chen; S. Sasayama; M. E. McHenry; G. Kalonji; R. C. O'Handley

doi:10.1111/j.1551-2916.1987.tb00099.x

RAPID SOLIDIFICATION OF OXIDE SUPERCONDUCTORS IN THE Y‐Ba‐Cu‐O SYSTEM

J. McKittrick, L. ‐Q Chen, S. Sasayama, M. E. McHenry, G. Kalonji, R. C. O'Handley

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

17 Scopus citations

Abstract

Three compositions which lie along the YBa₂Cu₃O_9‐x‐BaCuO₂ tie‐line were melted and solidified with different cooling rates. Rapid solidification of all three compositions results in new, previously unreported phases. Slower solidification rates yield multi‐phase materials. Annealing all three compositions in O₂ transforms them to the YBa₂Cu₃O_9‐x orthorhombic phase plus varying amounts of BaCuO₂. The annealed materials all show superconductivity with an average T_c = 88.5 K as measured through the resistivity, which is in good agreement with measurements on a SQUID magnetometer. 1987 The American Ceramic Society

Original language	English (US)
Pages (from-to)	353-363
Number of pages	11
Journal	Advanced Ceramic Materials
Volume	2
Issue number	3 B
DOIs	https://doi.org/10.1111/j.1551-2916.1987.tb00099.x
State	Published - Jul 1987

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Materials Chemistry

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10.1111/j.1551-2916.1987.tb00099.x

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title = "RAPID SOLIDIFICATION OF OXIDE SUPERCONDUCTORS IN THE Y‐Ba‐Cu‐O SYSTEM",

abstract = "Three compositions which lie along the YBa2Cu3O9‐x‐BaCuO2 tie‐line were melted and solidified with different cooling rates. Rapid solidification of all three compositions results in new, previously unreported phases. Slower solidification rates yield multi‐phase materials. Annealing all three compositions in O2 transforms them to the YBa2Cu3O9‐x orthorhombic phase plus varying amounts of BaCuO2. The annealed materials all show superconductivity with an average Tc = 88.5 K as measured through the resistivity, which is in good agreement with measurements on a SQUID magnetometer. 1987 The American Ceramic Society",

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AU - McKittrick, J.

AU - Chen, L. ‐Q

AU - Sasayama, S.

AU - McHenry, M. E.

AU - Kalonji, G.

AU - O'Handley, R. C.

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AB - Three compositions which lie along the YBa2Cu3O9‐x‐BaCuO2 tie‐line were melted and solidified with different cooling rates. Rapid solidification of all three compositions results in new, previously unreported phases. Slower solidification rates yield multi‐phase materials. Annealing all three compositions in O2 transforms them to the YBa2Cu3O9‐x orthorhombic phase plus varying amounts of BaCuO2. The annealed materials all show superconductivity with an average Tc = 88.5 K as measured through the resistivity, which is in good agreement with measurements on a SQUID magnetometer. 1987 The American Ceramic Society

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RAPID SOLIDIFICATION OF OXIDE SUPERCONDUCTORS IN THE Y‐Ba‐Cu‐O SYSTEM

Abstract

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