Electron beam nanosculpting of suspended graphene sheets

Fischbein, Michael D.; Drndic, Marija
September 2008
Applied Physics Letters;9/15/2008, Vol. 93 Issue 11, p113107
Academic Journal
We demonstrate high-resolution modification of suspended multilayer graphene sheets by controlled exposure to the focused electron beam of a transmission electron microscope. We show that this technique can be used to realize, on time scales of a few seconds, a variety of features, including nanometer-scale pores, slits, and gaps that are stable and do not evolve over time. Despite the extreme thinness of the suspended graphene sheets, extensive removal of material to produce the desired feature geometries is found not to introduce long-range distortion of the suspended sheet structure.


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