Atomic Force Microscope Studies of Fullerene Films: Highly Stable C60 fcc (311) Free Surfaces.
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Atomic force microscopy and x-ray diffractometry were used to study 1500 A-thick films of pure C(60) grown by sublimation in ultrahigh vacuum onto a CaF(2) (111) substrate. Topographs of the films did not reveal the expected close-packed structures, but they showed instead large regions that correspond to a face-centered cubic (311) surface and distortions of this surface. The open (311) structure may have a relatively low free energy because the low packing density contributes to a high entropy of the exposed surface.
author list (cited authors)
Snyder, E. J., Anderson, M. S., Tong, W. M., Williams, R. S., Anz, S. J., Alvarez, M. M., ... Whetten, R. L.
complete list of authors
Snyder, EJ||Anderson, MS||Tong, WM||Williams, RS||Anz, SJ||Alvarez, MM||Rubin, Y||Diederich, FN||Whetten, RL