Mesoscopic Transport Properties in Exfoliated Graphene on SiO2/Si
The effective carrier diffusion length and the local mobility have been measured in graphene layers in the inferior mesoscopic regime. The measurements were carried out probing the electrical properties at nanoscale by using scanning capacitance microscopy. The local variations in the quantum capacitance can be measured and from them the effective polarised area can be determined. As a consequence the local density of states and the other local transport parameters can be obtained.
Keywords: GRAPHENE; MOBILITY; QUANTUM CAPACITANCE; SCANNING PROBE MICROSCOPY
Document Type: Short Communication
Publication date: 01 February 2011
- Nanoscience and Nanotechnology Letters (NNL) is a multidisciplinary peer-reviewed journal consolidating nanoscale research activities in all disciplines of science, engineering and medicine into a single and unique reference source. NNL provides the means for scientists, engineers, medical experts and technocrats to publish original short research articles as communications/letters of important new scientific and technological findings, encompassing the fundamental and applied research in all disciplines of the physical sciences, engineering and medicine.
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