Superconductivity of li2mc6oand na2mc60fullerides

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

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)57-62
Number of pages6
JournalEPL
Volume23
Issue number1
DOIs
Publication statusPublished - 1993 Jul 1
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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