De Haas-van Alphen effect in graphite intercalation compounds with AsF5, HNO3 and rubidium

S. Tanuma, Y. Iye, O. Takahashi, Y. Koike

研究成果: Article査読

8 被引用数 (Scopus)

抄録

The de Haas-van Alphen (dHvA) effect in HOPG intercalated with AsF5, HNO3 and rubidium has been investigated. In C8nAsF5 where the stage number n = 2, 3 and 4, the observed dHvA periods ranging from 1.1 × 10-7 to 1.6 × 10-6 Oe-1 are quite different for different stages. The three-dimensional (3D) rigid band model of graphite, supplemented by a band folding due to the c-axis superlattice, has been applied to give a partial explanation of the observed periods. In CHNO3 compounds some periods, e.g., about 1.75 × 10-6 Oe-1, are commonly observed for different stage compounds, while the other periods observed are different for different stages; this fact suggests a stage independent 2D-like Fermi surface with stage dependent substructures. In the stage 1 compound of rubidium, C8Rb, three periods are found and compared with Inoshita et al.'s calculation of the Fermi surface of C8K which should be similar to that of C8Rb.

本文言語English
ページ(範囲)341-352
ページ数12
ジャーナルSynthetic Metals
2
3-4
DOI
出版ステータスPublished - 1980 12

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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