Communications of the ACM
Guided Growth of Nanowires Leads to Self-Integrated Circuits
Researchers say they have utilized a method devised by a professor there two years ago to create self-integrating nano-wires whose position, length, and direction can be fully controlled.
Credit: Weizmann Institute of Science
Weizmann Institute researchers say they have created self-integrating nanowires whose position, length, and direction can be fully controlled.
Their research is based on a method developed by Weizmann professor Ernesto Joselevich two years ago for growing nanowires horizontally in an orderly manner.
In the current study, the researchers went further, creating self-integrated electronic circuits from the nanowires. The researchers first prepared a surface with tiny, atom-sized grooves and then added catalyst particles that served as nuclei for the growth of nanowires and defined the position, length, and direction of the nanowires. The researchers then created a transistor from each nanowire on the surface, producing hundreds of such transistors at the same time.
"Our method makes it possible, for the first time, to determine the arrangement of the nanowires in advance to suit the desired electronic circuit," Joselevich says.
From Weizmann Institute of Science
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