Physics – Condensed Matter – Materials Science
Scientific paper
2007-09-06
Phys. Rev. B 77, 045410 (2008)
Physics
Condensed Matter
Materials Science
article + supporting materials
Scientific paper
10.1103/PhysRevB.77.045410
We show that electron irradiation in a dedicated scanning transmission microscope can be used as a nano-electron-lithography technique allowing the controlled reshaping of single walled carbon and boron nitride nanotubes. The required irradiation conditions have been optimised on the basis of total knock-on cross sections calculated within density functional based methods. It is then possible to induce morphological modifications, such as a change of the tube chirality, by removing severals tens of atoms with a nanometrical spatial resolution. These irradiation techniques could open new opportunities for nano-engeneering a large variety of nanostructured materials.
Colliex Christian
Ewels Chris P.
Gloter Alexandre
Zobelli Alberto
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