Theory of Pressure-Induced Staging Transitions in Graphite Intercalation Compounds

Hiroshi Miyazaki, Yoshio Kuramoto, Chuji Horie

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Theory is presented of the mechanism of pressure-induced staging transitions in alkali-metal graphite intercalation compounds (A-GIC—s).The most stable stoichiometry at T= 0 K is determined for various species of intercalant atoms. Effect of pressure is taken into account by varying the distance between the two graphite layers which sandwich an intercalant layer. Lithium GIC—s are found to be stable with the stoichiometry of LiC6 * —,where n is the stage number, at all pressures. The most stable stoichiometry of heavy alkali-metal GIC—s is shown to be MC14x— at ambient pressure,but MC8xn at higher hydrostatic pressure. Comparison is made of the theoretical results with the experimental ones at finite temperatures.

Original languageEnglish
Pages (from-to)1380-1388
Number of pages9
Journaljournal of the physical society of japan
Volume53
Issue number4
DOIs
Publication statusPublished - 1984

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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