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- W2950956230 abstract "Nanoelectromechanical (NEM) switches areinvestigated as a promising candidate for energy-efficient logicdevices. They promise quasi-zero static leakage, large on-offcurrent ratio, small subthreshold slope and high robustness inharsh environments. However, strong van der Waals interaction atthe nanoscale usually results in high hysteresis and the risk ofstiction failure, thereby bringing about an inevitably highactuation voltage and unfavorable dynamic power consumption inpractical device designs. The low switching speed, poor reliabilityand absence of scalable manufacturing technique also set barriersto the maturation of NEM switches to complement or substitutesemiconductor transistors for applications with energy constraints.To accelerate the development of NEM switches for digital logic,this thesis presents a novel squeezable NEM switch, termed asquitch, based on direct tunneling through a metal-molecule-metaljunction, whose tunneling gap can be electromechanically modulatedby compressing the molecular layer. A sub-5 nm change in thetunneling gap in the absence of direct contact between electrodesleads to at least several orders of magnitude current modulation,enabling a squitch to exhibit a low actuation voltage near 2 V, alow hysteresis and a high switching speed, which support theprospects of squitches as ultra-low power beyond-CMOS devices. Ascalable and versatile dielectrophoretic trapping technique forfabrication of devices involving nanoparticles in design has alsobeen developed in this thesis as a critical fabricationstep." @default.
- W2950956230 created "2019-06-27" @default.
- W2950956230 creator A5032359500 @default.
- W2950956230 date "2018-01-01" @default.
- W2950956230 modified "2023-09-27" @default.
- W2950956230 title "Tunneling nanoelectromechanical switches based oncompressible self-assembled molecules; Tunneling NEM switches based on compressibleself-assembled molecules" @default.
- W2950956230 hasPublicationYear "2018" @default.
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