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A nanoscale vacuum-channel transistor (NVCT) is a transistor in which the electron transport medium is a vacuum, much like a vacuum tube. In a traditional solid-state transistor, a semiconductor channel exists between the source and the drain, and the current flows through the semiconductor.
Thus, it is being researched if the quantum mechanical properties can be used for more advanced purposes than simple transistors (e.g. spintronics). Physicists at the University of Arizona, in collaboration with chemists from the University of Madrid, have designed a single-molecule transistor using a ring-shaped molecule similar to benzene.
Circuits now use silicon as a transistor because it can easily be switched between conducting and nonconducting states. However, in nanoelectronics, transistors might be organic molecules or nanoscale inorganic structures. [8] Semiconductors, which are part of transistors, are also being made of organic molecules in the nano state.
Current high-technology production processes are based on traditional top down strategies, where nanotechnology has already been introduced silently. The critical length scale of integrated circuits is already at the nanoscale (50 nm and below) regarding the gate length of transistors in CPUs or DRAM devices.
Mark S. Lundstrom is an American electrical engineering researcher, educator, and author. He is known for contributions to the theory, modeling, and understanding of semiconductor devices, especially nanoscale transistors, [1] [2] and as the creator of the nanoHUB, a major online resource for nanotechnology.
The nanoscale transistors and nanoscale mechanical components (on a separate die) are integrated on the same chip package. [1] Nanoelectromechanical systems (NEMS) are a class of devices integrating electrical and mechanical functionality on the nanoscale.
MOS transistors are used widely as fundamental building elements in today's electronic circuits. [46] [47] As predicted by Moore's law, the dimension of MOS transistors is shrinking smaller and smaller into nanoscale. One of the key challenges of building future nanoscale MOS transistors is ensuring good gate control over the channel.
A transistor is a semiconductor device used to amplify or switch electrical signals and power. ... Nanoscale vacuum-channel transistor, when in 2012, ...
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