In a study of the emission properties of films of linear-chain carbon on an insulator layer, the presence of effective emission of electrons into vacuum was revealed. The cathodoluminescence method is used in experiments that corroborate this phenomenon. The current-voltage characteristics are found to be of an exponential nature and, together with the temperature dependence, suggest that there is thermal activation. The absence of a Schottky effect is explained by the geometry of the barrier on which activation takes place; presumably, this is an interchain barrier.
Department of Physical Electronics, Department of Solid-State Physics, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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