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An innovative procedure for the realization and the assembly of vacuum triode based on carbon nanotube cold cathode is proposed. The aim of the proposed technique is to avoid the typical problem due to the growth of carbon nanotube in the triode structure. The obtained electrical properties of the realized triode fully confirm the validity of the technique.
A model for exciton formation, dissociation and transport is proposed for the simulation of an electrically pumped polariton laser with a geometry similar to that of a VCSEL and resonant cavity LEDs. We demonstrate how the strain effects and the geometry of the device influence the exciton distribution for a GaN/InGaN laser structure.
An analysis and a preliminary evaluation of the performance of an integrated vacuum triode amplifier with a single field emission CNT in the THz frequency range is proposed. The most relevant merit factors, such as leakage current, transparency and cut-off frequency are considered to demonstrate the ability of the device to perform in the THz frequency range
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