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In this letter, a new nano-vacuum triode based on carbon nanotubes (CNTs) has been designed. The use of CNTs as emitters with their extremely high aspect ratio and their characteristics to be patterned in specific emitting areas allowed the realization of a cross-bar geometry for which the transconductance is maximized and the grid–cathode capacitance is reduced. This allowed us to achieve a device...
In this work a new triode geometry has been designed to reduce the cathode-gate capacitance with respect to the classic Spindt Type microtriodes. With this configuration, the cut off frequency has been increased up to 156 GHz, about 3 times bigger when compared to the standard configuration.
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