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Friction force microscopy : a simple technique for identifying graphene on rough substrates and mapping the orientation of graphene grains on copper
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Marsden, Alexander J., Phillips, Mick and Wilson, Neil R. (2013) Friction force microscopy : a simple technique for identifying graphene on rough substrates and mapping the orientation of graphene grains on copper. Nanotechnology, Volume 24 (Number 25). Article number 255704. doi:10.1088/0957-4484/24/25/255704 ISSN 0957-4484.
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WRAP_Marsden_0957-4484_24_25_255704.pdf - Published Version Available under License Creative Commons Attribution. Download (5Mb) | Preview |
Official URL: http://dx.doi.org/10.1088/0957-4484/24/25/255704
Abstract
At a single atom thick, it is challenging to distinguish graphene from its substrate using conventional techniques. In this paper we show that friction force microscopy (FFM) is a simple and quick technique for identifying graphene on a range of samples, from growth substrates to rough insulators. We show that FFM is particularly effective for characterizing graphene grown on copper where it can correlate the graphene growth to the three-dimensional surface topography. Atomic lattice stick–slip friction is readily resolved and enables the crystallographic orientation of the graphene to be mapped nondestructively, reproducibly and at high resolution. We expect FFM to be similarly effective for studying graphene growth on other metal/locally crystalline substrates, including SiC, and for studying growth of other two-dimensional materials such as molybdenum disulfide and hexagonal boron nitride.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Mathematical physics, Atomic force microscopy, Graphene | ||||
| Journal or Publication Title: | Nanotechnology | ||||
| Publisher: | Institute of Physics Publishing Ltd. | ||||
| ISSN: | 0957-4484 | ||||
| Official Date: | 30 May 2013 | ||||
| Dates: |
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| Volume: | Volume 24 | ||||
| Number: | Number 25 | ||||
| Page Range: | Article number 255704 | ||||
| DOI: | 10.1088/0957-4484/24/25/255704 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||
| Date of first compliant deposit: | 24 December 2015 | ||||
| Date of first compliant Open Access: | 24 December 2015 | ||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), Warwick Centre of Analytical Sciences | ||||
| Grant number: | EP/F034210/1 |
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