Superconductivity in the solid solutions YnLa2-n+xBa4-xCu6O14+y (n=0, 1, 2)

M. T. Weller, J. R. Grasmeder, P. C. Lanchester, C. E. Meats

Research output: Contribution to journalArticle

Abstract

The synthesis of a range of superconducting copper perovskites of the general formula YLaBaCu O (n=0, 1, 2) is reported. These materials have been characterised in terms of their lattice parameters, oxygen stoichiometry and superconducting critical temperature, T. Substitution of yttrium by lanthanum in YBACuO results in only minor changes in physical properties whilst replacement of barium by lanthanum causes a rapid drop in T. These results are interpreted in terms of the distribution of oxygen within the structure. It is concluded that all superconducting samples are essentially orthorhombic.
Original languageEnglish
JournalJournal of Physics F: Metal Physics
Volume18
Issue number5
DOIs
Publication statusPublished - 1988

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Lanthanum
Superconductivity
lanthanum
Solid solutions
solid solutions
superconductivity
Oxygen
Yttrium
oxygen
Barium
perovskites
yttrium
Stoichiometry
Lattice constants
barium
Copper
stoichiometry
lattice parameters
critical temperature
Substitution reactions

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Superconductivity in the solid solutions YnLa2-n+xBa4-xCu6O14+y (n=0, 1, 2). / Weller, M. T.; Grasmeder, J. R.; Lanchester, P. C.; Meats, C. E.

In: Journal of Physics F: Metal Physics, Vol. 18, No. 5, 1988.

Research output: Contribution to journalArticle

Weller, M. T. ; Grasmeder, J. R. ; Lanchester, P. C. ; Meats, C. E. / Superconductivity in the solid solutions YnLa2-n+xBa4-xCu6O14+y (n=0, 1, 2). In: Journal of Physics F: Metal Physics. 1988 ; Vol. 18, No. 5.
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