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

研究成果: Article › 査読

21 被引用数 (Scopus)

抄録

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.

本文言語	English
ページ（範囲）	57-62
ページ数	6
ジャーナル	EPL
巻	23
号	1
DOI	https://doi.org/10.1209/0295-5075/23/1/010
出版ステータス	Published - 1993 7月 1
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（全般）

文献へのアクセス

10.1209/0295-5075/23/1/010

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引用スタイル

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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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