Three-Terminal Nanoelectromechanical Field Effect Transistor with Abrupt Subthreshold Slope
Nano Letters2014Vol. 14(3), pp. 1687–1691
Citations Over TimeTop 10% of 2014 papers
Abstract
We report the first experimental demonstration of a three-terminal nanoelectromechanical field effect transistor (NEMFET) with measurable subthreshold slope as small as 6 mV/dec at room temperature and a switching voltage window of under 2 V. The device operates by modulating drain current through a suspended nanowire channel via an insulated gate electrode, thus eliminating the need for a conducting moving electrode, and yields devices that reliably switch on/off for up to 130 cycles. Radio-frequency measurements have confirmed operation at 125 MHz. Our measurements and simulations suggest that the NEMFET design is scalable toward sub-1 V ultrahigh-frequency operation for future low-power computing systems.
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