Modified Electron Beam Induced Deposition of Metal Nanostructure Arrays using a Parallel Electron Beam

Details Modified Electron Beam Induced Deposition of Metal Nanostructure Arrays using a Parallel Electron Beam Modified Electron Beam Induced Deposition of Metal Nanostructure Arrays using a Parallel Electron Beam

2008-09-09

arxiv.org/abs/0809.1548v1

Physics

Condensed Matter

Materials Science

14 Pages, 3 figures, to appear in Applied Physics Letters

Scientific paper

10.1063/1.2992193

A modified electron beam induced deposition method using a parallel beam of electrons is developed. The method relies on the build-up of surface potential on an insulating surface exposed to an electron beam. Presence of sharp edges on the insulating surface implies presence of large electric fields that lead to site-specific nucleation of metal vapor on those regions. Feature sizes as small as 20 nm can be deposited without the need to use fine probes and thus the limitation of probe size imposed on the resolution is overcome. The use of pure metal vapor also renders the process inherently clean.

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