Superconductivity of li2mc6oand na2mc60fullerides

K. Tanigaki; T. W. Ebbesen; J. S. Tsai; I. Hirosawa; J. Мizuki

doi:10.1209/0295-5075/23/1/010

Superconductivity of li₂mc_6oand na₂mc₆₀fullerides

K. Tanigaki, T. W. Ebbesen, J. S. Tsai, I. Hirosawa, J. Мizuki

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

21 Citations (Scopus)

Abstract

The superconductivity of Li₂MC_6oand Na₂MC₆₀(where M is Cs, Rb and K) compounds with small lattice parameters is studied in detail. The results reveal that Li₂MC_6oand Na₂MC₆₀are superconducting at 12 К and 3.5 К with large superconducting fractions (70%for Na2CsCeo and more than 20% for NagRbCeo), while LMCgo compounds are notsuperconducting down to 2 K. The large variation in Te observed over a wide range of latticeparameter is explained in the framework of the McMillan equation, and the phonon frequencyinvolved in electron pairing is discussed.

Original language	English
Pages (from-to)	57-62
Number of pages	6
Journal	EPL
Volume	23
Issue number	1
DOIs	https://doi.org/10.1209/0295-5075/23/1/010
Publication status	Published - 1993 Jul 1
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "The superconductivity of Li2MC6oand Na2MC60(where M is Cs, Rb and K) compounds with small lattice parameters is studied in detail. The results reveal that Li2MC6oand Na2MC60are superconducting at 12 К and 3.5 К with large superconducting fractions (70%for Na2CsCeo and more than 20% for NagRbCeo), while LMCgo compounds are notsuperconducting down to 2 K. The large variation in Te observed over a wide range of latticeparameter is explained in the framework of the McMillan equation, and the phonon frequencyinvolved in electron pairing is discussed.",

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year = "1993",

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AU - Tanigaki, K.

AU - Ebbesen, T. W.

AU - Tsai, J. S.

AU - Hirosawa, I.

AU - Мizuki, J.

PY - 1993/7/1

Y1 - 1993/7/1

N2 - The superconductivity of Li2MC6oand Na2MC60(where M is Cs, Rb and K) compounds with small lattice parameters is studied in detail. The results reveal that Li2MC6oand Na2MC60are superconducting at 12 К and 3.5 К with large superconducting fractions (70%for Na2CsCeo and more than 20% for NagRbCeo), while LMCgo compounds are notsuperconducting down to 2 K. The large variation in Te observed over a wide range of latticeparameter is explained in the framework of the McMillan equation, and the phonon frequencyinvolved in electron pairing is discussed.

AB - The superconductivity of Li2MC6oand Na2MC60(where M is Cs, Rb and K) compounds with small lattice parameters is studied in detail. The results reveal that Li2MC6oand Na2MC60are superconducting at 12 К and 3.5 К with large superconducting fractions (70%for Na2CsCeo and more than 20% for NagRbCeo), while LMCgo compounds are notsuperconducting down to 2 K. The large variation in Te observed over a wide range of latticeparameter is explained in the framework of the McMillan equation, and the phonon frequencyinvolved in electron pairing is discussed.

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Superconductivity of li₂mc_6oand na₂mc₆₀fullerides

Abstract

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