Using C60 molecules for deep carbonization of rhenium in ultrahigh vacuum
Ronald GallA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg,E. V. Rut’kovA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg,A. Ya. TontegodeA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. PetersburgM. M. UsufovA. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg,
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The adsorption of C60 molecules on the surface of a rhenium ibbon heated to 1800 K is investigated quantitatively. It is found that the C60 molecules are adsorbed without reflection and then dissociate, and the carbon formed in the process is dissolved in the bulk of the rhenium to the limit of solubility. Then a graphite monolayer forms on the rhenium surface, and the dissociation of the C60 molecules stops. It is shown that the C60 molecules can be used as an effective carbonizing object on metals in ultrahigh vacuum.
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