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Nanomechanical displacement detection using coherent transport in graphene nanoribbon resonators

Andreas Isacsson (Institutionen för teknisk fysik, Kondenserade materiens teori)
Physical Review B (1098-0121). Vol. 84 (2011), 12,
[Artikel, refereegranskad vetenskaplig]

Graphene nanoribbons provide an opportunity to integrate phase-coherent transport phenomena with nanoelectromechanical systems (NEMS). Due to the strain induced by a deflection in a graphene nanoribbon resonator, coherent electron transport and mechanical deformations couple. This coupling can be used for sensitive displacement detection in both armchair and zigzag graphene nanoribbon NEMS. Here it is shown that for ordered as well as disordered ribbon systems of length L, a strain epsilon similar to (w/L)(2) due to a deflection w leads to a relative change in conductance delta G/G similar to (w(2)/a(0)L), where a(0) approximate to 1.4 angstrom.

Nyckelord: suspended graphene, electronic-structure, carbon nanotubes, sheets, systems, films

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Denna post skapades 2011-10-27. Senast ändrad 2015-02-11.
CPL Pubid: 147743


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Institutioner (Chalmers)

Institutionen för teknisk fysik, Kondenserade materiens teori (1900-2015)


Nanovetenskap och nanoteknik

Chalmers infrastruktur



Denna publikation är ett resultat av följande projekt:

Quantum nanoelectromechanical systems (QNEMS) (EC/FP7/233992)