A thin film structure with Ag nanocrystallites embedded in a polycrystallineC60matrix was grown under high vacuum by codeposition of Ag andC60onto the hot substrate. The structural and physical properties of the film were characterized by a transmission electron microscope and a Raman scattering spectrometer. The Ag nanoparticles were well dispersed and not aggregated. An ordered nanoscaleC60lattice was observed between the two adjacent Ag particles, and the Raman-activeAg(2)pentagonal-pinch mode ofC60shifted to lower frequency. These results imply a strong interfacial interaction and charge transfer from the Ag to theC60.©1997 American Institute of Physics.