Abstract
In the present work we report the synthesis of thin films of C60 doped with Pb. By means of electrical characterization we found that small quantities of Pb increases the electrical conductivity, giving as a result a semiconducting-like behavior in the range of temperatures from 2 K to 470 K. At higher content of Pb, the system tends to form particles of Pb. In this case, the electrical resistance shows a metallic-like transition below 7 K, but we did not observe zero resistance up to 2 K. We also found that the films readily reacts upon exposure to the laboratory atmosphere.
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