The catalytic potential of high-k dielectrics for graphene formation

Details The catalytic potential of high-k dielectrics for graphene formation The catalytic potential of high-k dielectrics for graphene formation

2011-02-25

arxiv.org/abs/1102.5258v1

Appl. Phys. Lett. 98, 073110 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

10.1063/1.3556639

The growth of single and multilayer graphene nano-flakes on MgO and ZrO2 at low temperatures is shown through transmission electron microscopy. The graphene nano-flakes are ubiquitously anchored at step edges on MgO (100) surfaces. Density functional theory investigations on MgO (100) indicate C2H2 decomposition and carbon adsorption at step-edges. Hence, both the experimental and theoretical data highlight the importance of step sites for graphene growth on MgO.

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