Electron-phonon interactions in solid C60 studied by transient picosecond Raman spectroscopy

Kong-Thon Tsen, E. D. Grann, S. Guha, Jose Menendez

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Electron-phonon interactions in solid C60 have been studied by transient Raman spectroscopy on a picosecond time scale. The electrons were photoinjected into the triply-degenerate states of solid C60 by an ultrashort laser pulse of photon energy ω=2.14 eV. These energetic electrons relax by emitting various phonons. By monitoring the phonon occupations at very low temperatures with anti-Stokes Raman scattering, direct information about the relative strength of the electron-phonon interactions in solid C60 was obtained. Our experimental results demonstrate that electrons interact much more strongly with the low-frequency radial A g mode than the other phonon modes in solid C60.

Original languageEnglish (US)
Number of pages1
JournalApplied Physics Letters
StatePublished - Dec 1 1995

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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