Karl Berggren talks about lithography and self-assembly below 10 nm - approaching the atom from the top down.

At the nanoscale, materials and structures can be engineered to exhibit interesting new properties - some based on quantum mechanical effects. Our research focuses on pushing nanofabrication technology to the few-nanometer length-scale by using charged-particle beams combined with self-assembly. We use the technologies we develop to push the envelope of what is possible with photonic and electrical devices, focusing in particular on the nanowire-based superconductive photodetectors. Our research combines electrical engineering, physics, and materials science and helps push the boundaries of what is considered possible in nanoscale engineering.

This is the first in a series of seminars on nanotechweb.org presented by leading researchers on key topics in nanotechnology. The series celebrates the 50th anniversary of the Feynman Lectures in Physics. For more seminars in this series keep an eye on our multimedia channel.

Further reading

Ring-like assembly of gold nanoparticles for enhanced SERS detection (Sep 2014)
Patterning technique prepares graphene nanoribbons for photodetector applications (Jan 2014)
Patterning gold nanorods on substrates: non-agglomerated deposition and alignment (Nov 2014)