Single-crystalline monolayer and multilayer graphene nano switches

Peng Li; Gaoshan Jing; Bo Zhang; Shota Sando; Tianhong Cui

doi:10.1063/1.4868869

Single-crystalline monolayer and multilayer graphene nano switches

Peng Li, Gaoshan Jing, Bo Zhang, Shota Sando, Tianhong Cui

Mechanical Engineering

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19 Scopus citations

Abstract

Growth of monolayer, bi-layer, and tri-layer single-crystalline graphene (SCG) using chemical vapor deposition method is reported. SCG's mechanical properties and single-crystalline nature were characterized and verified by atomic force microscope and Raman spectroscopy. Electro-mechanical switches based on mono- and bi-layer SCG were fabricated, and the superb properties of SCG enable the switches to operate at pull-in voltage as low as 1 V, and high switching speed about 100 ns. These devices exhibit lifetime without a breakdown of over 5000 cycles, far more durable than any other graphene nanoelectromechanical system switches reported.

Original language	English (US)
Article number	113110
Journal	Applied Physics Letters
Volume	104
Issue number	11
DOIs	https://doi.org/10.1063/1.4868869
State	Published - Mar 17 2014

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title = "Single-crystalline monolayer and multilayer graphene nano switches",

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AU - Li, Peng

AU - Jing, Gaoshan

AU - Zhang, Bo

AU - Sando, Shota

AU - Cui, Tianhong

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AB - Growth of monolayer, bi-layer, and tri-layer single-crystalline graphene (SCG) using chemical vapor deposition method is reported. SCG's mechanical properties and single-crystalline nature were characterized and verified by atomic force microscope and Raman spectroscopy. Electro-mechanical switches based on mono- and bi-layer SCG were fabricated, and the superb properties of SCG enable the switches to operate at pull-in voltage as low as 1 V, and high switching speed about 100 ns. These devices exhibit lifetime without a breakdown of over 5000 cycles, far more durable than any other graphene nanoelectromechanical system switches reported.

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Single-crystalline monolayer and multilayer graphene nano switches

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