SOLID PHASE RELATIONS AT 950 degree C IN La-Ba-Cu-O.

D. Klibanow, K. Sujata, Thomas O Mason

Research output: Contribution to journalArticle

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Abstract

Subsolidus phase relations in the La//2O//3-BaO-CuO system were studied at 950 degree C. Three previously reported binary compounds exist (La//2CuO//4, BaLa//2O//4, and BaCuO//2) and five previously reported ternary phases occur. Of the seven phases in the diagram, all but BaLa//2O//4, BaCuO//2, and La//4BaCu//5O//1//3// plus // delta were shown to exhibit significant ranges of solubility. The diagram is important in that both greater than 30 K (La//2// minus //xBa//xCuO//4// minus //(//x/////2//,// plus // delta ) and greater than 90 K (La//3// minus //xBa//3// plus //xCu//6O//1//4// plus // delta //, x equals 1) superconductors occur.

Original languageEnglish
JournalJournal of the American Ceramic Society
Volume71
Issue number5
Publication statusPublished - May 1988

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Superconducting materials
Solubility

ASJC Scopus subject areas

  • Ceramics and Composites

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SOLID PHASE RELATIONS AT 950 degree C IN La-Ba-Cu-O. / Klibanow, D.; Sujata, K.; Mason, Thomas O.

In: Journal of the American Ceramic Society, Vol. 71, No. 5, 05.1988.

Research output: Contribution to journalArticle

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abstract = "Subsolidus phase relations in the La//2O//3-BaO-CuO system were studied at 950 degree C. Three previously reported binary compounds exist (La//2CuO//4, BaLa//2O//4, and BaCuO//2) and five previously reported ternary phases occur. Of the seven phases in the diagram, all but BaLa//2O//4, BaCuO//2, and La//4BaCu//5O//1//3// plus // delta were shown to exhibit significant ranges of solubility. The diagram is important in that both greater than 30 K (La//2// minus //xBa//xCuO//4// minus //(//x/////2//,// plus // delta ) and greater than 90 K (La//3// minus //xBa//3// plus //xCu//6O//1//4// plus // delta //, x equals 1) superconductors occur.",
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AB - Subsolidus phase relations in the La//2O//3-BaO-CuO system were studied at 950 degree C. Three previously reported binary compounds exist (La//2CuO//4, BaLa//2O//4, and BaCuO//2) and five previously reported ternary phases occur. Of the seven phases in the diagram, all but BaLa//2O//4, BaCuO//2, and La//4BaCu//5O//1//3// plus // delta were shown to exhibit significant ranges of solubility. The diagram is important in that both greater than 30 K (La//2// minus //xBa//xCuO//4// minus //(//x/////2//,// plus // delta ) and greater than 90 K (La//3// minus //xBa//3// plus //xCu//6O//1//4// plus // delta //, x equals 1) superconductors occur.

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