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Stone-Wales--type transformations in carbon nanostructures driven by electron irradiation
J. Kotakoski, J. C. Meyer, S. Kurasch +3
Observations of topological defects associated with Stone-Wales-type transformations (i.e., bond rotations) in high resolution transmission electron microscopy (HRTEM) images of ca…
Cutting and controlled modification of graphene with ion beams
O. Lehtinen, J. Kotakoski, A. V. Krasheninnikov +1
Using atomistic computer simulations, we study how ion irradiation can be used to alter the morphology of a graphene monolayer by introducing defects of specific type, and to cut g…
Atomistic simulations of the implantation of low energy boron and nitrogen ions into graphene
E. H. Åhlgren, J. Kotakoski, A. V. Krasheninnikov
By combining classical molecular dynamics simulations and density functional theory total energy calculations, we study the possibility of doping graphene with B/N atoms using low-…
From Point Defects in Graphene to Two-Dimensional Amorphous Carbon
J. Kotakoski, A. V. Krasheninnikov, U. Kaiser +1
While crystalline two-dimensional materials have become an experimental reality during the past few years, an amorphous 2-D material has not been reported before. Here, using elect…