Evidence for insulating behavior in the electric conduction of (NH3)K3C60 systems

H. Kitano*, R. Matsuo, K. Miwa, A. Maeda, T. Takenobu, Y. Iwasa, T. Mitani

*この研究の対応する著者

研究成果: Article査読

34 被引用数 (Scopus)

抄録

The electric conduction of NH3K3-xRbxC60 was studied using the cavity perturbation technique. It was confirmed that (NH3)K3-xRbxC60 was insulating between 4.5 and 250 K. Conductivity of (NH3)K3-xRbxC60 at 200 K was found to be 3-4 orders of magnitude smaller than those of K3C60 and (NH3)NaRb2C60. Difference in conductivity of these materials showed that metal-insulator transition (MIT) in A3C60 systems was driven by the reduction of lattice symmetry from fcc to fcc.

本文言語English
ページ(範囲)964011-964014
ページ数4
ジャーナルPhysical Review Letters
88
9
出版ステータスPublished - 2002 3 4
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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