In the proposed system, a carbon nanotube is suspended between two leads, below a tip electrode, and above a gate. The pair of leads and the tip are two separate electron reservoirs with different temperatures. Electrons can tunnel between the nanotube and the reservoirs. Although electron exchange between the two reservoirs is prevented, electron-electron interaction couples the two reservoirs, allowing for a heat flow. Credit: A. Vikström et al. ©2016 American Physical Society
Illustrating the unusual way things work on the nanoscale, scientists have designed a new nanoelectromechanical system (NEMS) that produces mechanical motion due to the interactions between electrons—yet unlike similar systems, this system does not require any electric current...
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