journal article·2006-08Open access

Ultrathin Fullerene Films as High‐Resolution Molecular Resists for Low‐Voltage Electron‐Beam Lithography

Francis P. Gibbons, Alex P. G. Robinson, Richard E. Palmer, Mayanditheuar Manickam, Jon A. Preece

Small· Volume 2· Issue 8-9

Abstract

Hard to resist: Films of methanofullerenes (see scheme) can be used as resists for lithography at low electron-beam energies (0.2 to 5 keV). Improvements in the sensitivity and maintained etch durability are seen as the electron energies are reduced from 20 to 1 keV. High-resolution patterning is also demonstrated at low energies. The small molecular size of the fullerene derivatives alleviates problems associated with line-edge roughness.
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Research context

OpenAlex topics: Fullerene Chemistry and Applications · Graphene research and applications · Electron and X-Ray Spectroscopy Techniques

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