Is There A Minimum Size and a Maximum Speed for a Nanoscale Amplifier?

ABSTRACT: The C60 electromechanical amplifier is a working 3‐terminal device based on the modulation of the tunnel‐transport regime through a C60 molecule by a reversible deformation of its cage. We present the advantages of the planarization of this triode such as a surface extension lower than 0.05μm2 on the wafer and a large gain (Gd > 40). High‐speed operation (bandwidth greater than 1 GHz) and low energy dissipation in the attojoules range are discussed together with the technological difficulties to fabricate such a planar molecular triode.

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