Graphene monolayers on SiC
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Graphene monolayers on SiC

Topography and single-pass PM-KPFM image of 100nm graphene monolayers on the end of each SiC step (bright 100 nm lines of surface potential picture). According to KPFM measurement typical variation between layers is 140 mV (or 270 mV in case of two monolayers)
Device: NEXT
Tip: NSG01/Pt
Sample Courtesy: Noelle Gogneau, University Paris Sud LPN (Laboratory of Photonic and Nanostructures)
Image Courtesy: Arseny Kalinin

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Graphene monolayers on SiC

size: 2x2 um
SPM principle: Kelvin Probe Force Microscopy
topo
Height

size: 2x2um
SPM principle: Kelvin Probe Force Microscopy
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Surface potential

size: 2x2um
SPM principle: Kelvin Probe Force Microscopy
profile
Surface potential profile


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