Abstract
A complete set of fundamental optical functions of fullerite (C60) films in the range 1.5–7 eV is calculated from the known spectra of the imaginary and real parts of the dielectric permittivity. The total permittivity spectrum is expanded into elementary components. Three main parameters are determined for each component (the energy of the band maximum, the band half-width, and the oscillator strength). An interpretation of these components of the permittivity is proposed on the basis of published theoretical band calculations for fullerite.
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