Word: liebers
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According to Lieber, using the bottom-up approach to make logical devices involves steps where the parts of a microchip are first fabricated and then arranged to form complex logical devices...
Making the basic units of a microchip in nanoscale is challenging in itself. The Lieber group has used nanowires made of silicon with added chemical impurities that allow the material to conduct some electricity...
...problem with nanotubes is you can't control chirality", explain Yi Cui, graduate student researcher in the Lieber group...
...Lieber group has been able to control the arrangement of the wires on a surface using what the researchers call a "micro-fluidic channel...
...Take a river or fast moving stream; if you put logs in the river they line up," says Lieber...