Journal
APPLIED PHYSICS LETTERS
Volume 93, Issue 11, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.2980518
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Funding
- NSF [DMR-0449533]
- MRSEC [DMR05-20020]
- ONR YIP [N000140410489]
- Penn Genome Frontiers Institute
- Pennsylvania Department of Health
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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. (C) 2008 American Institute of Physics.
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