The Influence of Ohmic Metals and Oxide Deposition on the Structure and Electrical Properties of Multilayer Epitaxial Graphene on Silicon Carbide Substrates Page: 14
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2.2.3 Mechanical Properties of Graphene
The intriguing properties of graphene are not limited to electrical behavior; it has also
shown promising mechanical and thermal properties. Frank et al. , applied atomic force
microscopy (AFM) as schematically shown in Figure 6 to measure Young's modulus and tension
in monolayer graphene. They obtained a Young's modulus of 0.5 TPa, which is 2.5 times higher
than steel and 2.7 times larger than Si, suggesting that monolayer graphene is extremely strong
compared to steel and Si.
Figure 6. AFM set-up for measuring the mechanical properties of single layer graphene .
2.2.4 Thermal Properties of Graphene
The thermal conductivity of graphene has also been studied by several research groups.
For instance, Balandin et al.  used lasers to study the thermal conductivity of graphene, as
shown in Figure 7, and obtained conductivity of 5300 W/m.K. which is even larger than the
thermal conductivity of carbon nanotubes, and suggests that graphene can be used as super
thermal conductors and in heat sink systems.
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Maneshian, Mohammad Hassan. The Influence of Ohmic Metals and Oxide Deposition on the Structure and Electrical Properties of Multilayer Epitaxial Graphene on Silicon Carbide Substrates, dissertation, May 2011; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc68009/m1/28/: accessed February 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .