Abstract
We report on the formation of Co–C60 nano‐composite prepared by simultaneous deposition of cobalt and C60 fullerene on sapphire or NaCl at room temperature. The composite includes fcc‐Co single‐crystals with size of order 10 nm separated by C60‐based matrix. Detailed characterization of the composite by electron diffraction and Raman spectrometry revealed the existence of small amount of diamond and cobalt carbides (orthorhombic Co2C and Co3C) in the composite matrix. According to electron diffraction analysis diamond nucleates epitaxialy on facets of fcc‐Co crystals. The proposed model shows the role of chemical interaction in Co–C60 mixture in the nano‐composite structure formation.
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