Irregular destructive effect on nanotubes when making CNFET (FET nano-transistors) based on nano-microelectronics PHD (educational-research doctorate)
Researcher and author PhD student Afshin Rashid
Note: Lack of precise control over the positioning of CNTs during CNFET construction causes irregularity in the nanotubes, less than half of the nanotubes made on the single crystal bed of irregular diamonds.
Irregular nanotubes may cause a short circuit between the output and the power supply. The connection between the carbon and metal nanotubes used to connect the source and the drain forms a shuttle barrier (SB) in a CNTFET. The formation of Shatki dams in the source and drain section of a transistor causes a significant reduction in the current sent in this transistor. Therefore, for higher operational efficiency of CNFET components, suitable metals are required that can be used at the site of the Syrian-Drin connection and create an ohmic connection .
When an electric field is applied to a CNTFET nanocrystallizer, the carbon nanotube located between the source and the source contains a moving load. The density of these loads is for the source, and this density is determined by the probability of form distribution of Dirac. The ability of carbon nanotubes to be used in gas sensors is due to their empty and high contact surface. This contact surface consists of the outer wall of the nanotube and its hollow middle parts. The physical-chemical absorption of gases in nanotubes changes their conductivity.
Conclusion:
Due to the declining scale of semiconductor components and integrated circuits up to the nanometer range, the semiconductor industry will face many challenges. Decreasing the scale causes more short-circuit effects, less gate control, increased leakage currents, severe process changes, and unmanageable power densities . CNTFET is an option for the transistor to allow the dimensions to continue to shrink and for the development of new structures, the transistor is the field effect of carbon nanotubes. One of the most important issues in nanotechnology is carbon nanotubes.
Author: PhD Student ( Afshin Rashid)