We demonstrate nanoelectromechanical contact-mode switches and logic gates with high performance, enabled by cantilever-structured SiC nanoelectromechanical systems (NEMS). In full-cycle recording measurements (complete time-domain trace of every single switching cycle recorded), we show that in ambient air, SiC NEMS switches with nanocontacts have operated >1×10 7 cycles of 'hot-switching' without failure (devices still alive). When only recording valid 'on'/'off' states (without the complete trace, to avoid overflowing data recording and to speed up acquisition), >2×10 10 cycles have been measured. These clearly exhibit the unique properties and advantages of SiC NEMS, amongst all contact-mode, genuinely nanoscale switches. We also show robust switching events at high temperature T≈500°C.
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