Superconducting properties of the lithium-substituted YBa2Cu4O8 prepared by the sol-gel method

Shinobu Fujihara, H. Kozuka, T. Yoko

Research output: Contribution to journalArticle

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Abstract

The effects of the lithium substitution for copper on the properties of the superconducting YBa2Cu4O8 were studied. Single-phase YBa2Cu4-xLixO8 was successfully prepared by the sol-gel method under ambient pressure over a composition range of 0 ≤ x ≤ 0.08, while impurity phases appeared at x=0.10 and 0.20. The lattice constants of YBa2Cu4-xLixO8 were almost invariant with increasing lithium content x. The superconducting transition temperature decreased monotonically with increasing x in the range, 0 ≤ x ≤ 0.08. The suppression of superconductivity was discussed in terms of the impurity effect in the CuO2 planes.

Original languageEnglish
Pages (from-to)2975-2979
Number of pages5
JournalJournal of Materials Science
Volume31
Issue number11
Publication statusPublished - 1996
Externally publishedYes

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Lithium
Sol-gel process
Impurities
Superconductivity
Superconducting transition temperature
Lattice constants
Copper
Substitution reactions
Chemical analysis

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Superconducting properties of the lithium-substituted YBa2Cu4O8 prepared by the sol-gel method. / Fujihara, Shinobu; Kozuka, H.; Yoko, T.

In: Journal of Materials Science, Vol. 31, No. 11, 1996, p. 2975-2979.

Research output: Contribution to journalArticle

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