Two-dimensional plasmons in monolayer graphite

A. Nagashima, K. Nuka, H. Itoh, T. Ichinokawa, C. Oshima, S. Otani, Y. Ishizawa

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

Abstract

Two-dimensional (2D) plasmons in the monolayer graphite formed on TiC(111) surface have been detected by using electron energy loss spectroscopy. The plasmon due to the intraband transition has shown a peculir dispersion proportional to a sqare root of the wave vector parallel to the surface in the energy region of 0 - 3 eV. In addition, the other branch appearing at high energies above 5.4 eV presumably originates from the longitudinal 2D plasmon due to the interband transition.

Original languageEnglish
Pages (from-to)581-585
Number of pages5
JournalSolid State Communications
Volume83
Issue number8
DOIs
Publication statusPublished - 1992

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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