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Title: | The environment of graphene probed by electrostatic force microscopy |
Authors: | Moser, Joel ![]() ![]() ![]() ![]() |
Keywords: | Adhesive bonding Adsorption Carbon Electrical conductivity Micromechanics |
Issue Date: | 26-Mar-2008 |
Publisher: | American Institute of Physics |
Citation: | Applied Physics Letters 92, 123507 (2008) |
Abstract: | We employ electrostatic force microscopy to study the electrostatic environment of graphene sheets prepared with the micromechanical exfoliation technique. We detect the electric dipole of residues left from the adhesive tape during graphene preparation, as well as the dipole of water molecules adsorbed on top of graphene. Water molecules form a dipole layer that can generate an electric field as large as ~10^9 V m−1. We expect that water molecules can significantly modify the electrical properties of graphene devices. |
Description: | 3 pages, 3 figures.-- PACS nrs.: 72.80.Rj, 82.65.+r.-- ArXiv pre-print available at: http://arxiv.org/abs/0803.2032 |
Publisher version (URL): | http://dx.doi.org/10.1063/1.2898501 |
URI: | http://hdl.handle.net/10261/10472 |
DOI: | 10.1063/1.2898501 |
ISSN: | 0003-6951 |
Appears in Collections: | (CIN2) Artículos (IMB-CNM) Artículos |
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