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Structural Characterization of Fullerene Thin Films Fabricated by Organic Molecular Beam Deposition

K. Yase, T. Saraya, and K. Kudo
[Mat. Res. Soc. Symp. Proc., Vol.359, pp.417-422, 1995]


Fullerene C60thin solid films have been fabricated on the (001) surfaces of alkali halides (NaCl, KCl and KBr) and muscovite by organic molecular beam deposition (OMBD) technique. Pure C60 powder was sublimated from the precisely temperature-controlled K-cell at low pressure (10-7 Torr) and deposited onto the substrates kept in the range 125 - 300ºC. Increasing both the temperature of K-cell and the substrates temperature, fine crystals grow with different size, shape and distance between neighbors. The dependence of the size and density of island crystals on the deposition conditions revealed the mechanism of crystal growth and the effect of interaction between molecules and substrate surface.


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