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Field-effect transistor (FET) device with thin films of C60 has been fabricated with Eu electrodes exhibiting small work function. The C60 FET device shows n-channel FET properties with high field-effect mobility, 0.50 cm2 V?1 s?1. Furthermore, nonvanishing drain current, i.e., normally on, is observed in this FET device. This originates from small energy barrier for electron from Eu source electrode to lowest unoccupied molecular orbital of C60.
Digital Object Identifier:10.1063/1.2337990
Published with permission from the copyright holder. This is the institute's copy, as published in Applied Physics Letters, 21 August 2006, 89, 083511, (3 Pages).
Copyright © 2006 American Institute of Physics. All rights reserved.
Applied Physics Letters