Structure and properties of NaxCsyC60 superconductors

Katsumi Tanigaki; I. Hirosawa; T. W. Ebbesen; J. Mizuki; S. Kuroshima

doi:10.1016/0009-2614(93)89305-2

Structure and properties of Na_xCs_yC₆₀ superconductors

Katsumi Tanigaki, I. Hirosawa, T. W. Ebbesen, J. Mizuki, S. Kuroshima

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

9 Citations (Scopus)

Abstract

The formation of the Na₂CsC₆₀ superconducting phase is studied precisely; this is the first face-centered cubic (fcc) M₃C₆₀-series superconductor showing lattice contraction. Various nominal compositions of Na_xCs_yC₆₀ (x+y=3) always give rise to one single superconducting Na₂CsC₆₀ crystal phase (superconducting transition temperature of 12 K) with preferential site selections of the two alkali metals, Cs in the larger octahedral and Na in the smaller tetrahedral sites. The obtained superconducting fractions are described on the basis of the supposed stoichiometric fcc M₃C₆₀ formation.

Original language	English
Pages (from-to)	33-36
Number of pages	4
Journal	Chemical Physics Letters
Volume	203
Issue number	1
DOIs	https://doi.org/10.1016/0009-2614(93)89305-2
Publication status	Published - 1993 Feb 12
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)
Physical and Theoretical Chemistry

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title = "Structure and properties of NaxCsyC60 superconductors",

abstract = "The formation of the Na2CsC60 superconducting phase is studied precisely; this is the first face-centered cubic (fcc) M3C60-series superconductor showing lattice contraction. Various nominal compositions of NaxCsyC60 (x+y=3) always give rise to one single superconducting Na2CsC60 crystal phase (superconducting transition temperature of 12 K) with preferential site selections of the two alkali metals, Cs in the larger octahedral and Na in the smaller tetrahedral sites. The obtained superconducting fractions are described on the basis of the supposed stoichiometric fcc M3C60 formation.",

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AU - Tanigaki, Katsumi

AU - Hirosawa, I.

AU - Ebbesen, T. W.

AU - Mizuki, J.

AU - Kuroshima, S.

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AB - The formation of the Na2CsC60 superconducting phase is studied precisely; this is the first face-centered cubic (fcc) M3C60-series superconductor showing lattice contraction. Various nominal compositions of NaxCsyC60 (x+y=3) always give rise to one single superconducting Na2CsC60 crystal phase (superconducting transition temperature of 12 K) with preferential site selections of the two alkali metals, Cs in the larger octahedral and Na in the smaller tetrahedral sites. The obtained superconducting fractions are described on the basis of the supposed stoichiometric fcc M3C60 formation.

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