Electromechanical sensing of substrate charge hidden under atomic 2D crystals

Kay, Nicholas and Robinson, Benjamin and Falko, Vladimir and Novoselov, Kostya and Kolosov, Oleg (2014) Electromechanical sensing of substrate charge hidden under atomic 2D crystals. Nano Letters, 14 (6). pp. 3400-3404. ISSN 1530-6984

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Abstract

The functionality of graphene and other two-dimensional materials in electronic devices is highly influenced by the film–substrate charge transfer affecting local carrier density. We demonstrate that charges buried under the few layer graphene on/in the insulating substrate can be detected using electromechanical actuation of the conductive atomically thin layers, allowing measurements of areal density of film–substrate transferred charges under few layer graphene and MoS2 suspended films.

Item Type:
Journal Article
Journal or Publication Title:
Nano Letters
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
ID Code:
69777
Deposited By:
Deposited On:
08 Jul 2014 13:10
Refereed?:
Yes
Published?:
Published
Last Modified:
23 Oct 2020 02:30