Realizing broadbands of strong nonlinear coupling in nanoelectromechanical electron shuttles

Title
Realizing broadbands of strong nonlinear coupling in nanoelectromechanical electron shuttles
Authors
김철기Marta PradaGloria PlateroRobert H. Blick
Keywords
NEMS; Coulomb blockade; electron shuttles
Issue Date
2013-11
Publisher
Physical review letters
Citation
VOL 111, NO 19, 197202-1-197202-5
Abstract
We demonstrate the transition of a coupled electron shuttle from a stable to a strongly nonlinear response at room temperature. Within this transition we observe the coupled shuttle’s response to change from Coulomb controlled to conventional field emission. This parametric process is fully reversible and occurs within a broad frequency range. In combination, the large current and wide frequency band enable energy harvesting applications. The experimental data and the numerical calculations both indicate that the source of the nonlinearity is given by the electromechanical coupling of electron shuttling.
URI
http://pubs.kist.re.kr/handle/201004/46437
ISSN
00319007
Appears in Collections:
KIST Publication > Article
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