A team of
This unprecedented feat culminates years of efforts by scientists around the world to harness this promising but quirky material.
The achievement is reported today in an article on the cover of the journal Nature (http://www.nature.com/) written by Max Shulaker and other doctoral students in electrical engineering (http://ee.stanford.edu/). The research was led by
"People have been talking about a new era of carbon nanotube electronics moving beyond silicon," said Mitra, an electrical engineer and computer scientist. "But there have been few demonstrations of complete digital systems using this exciting technology. Here is the proof."
Experts say the
"Carbon nanotubes [CNTs] have long been considered as a potential successor to the silicon transistor," said Professor
But until now it hasn't been clear that CNTs could fulfill those expectations.
"There is no question that this will get the attention of researchers in the semiconductor community and entice them to explore how this technology can lead to smaller, more energy-efficient processors in the next decade," Rabaey said.
It was roughly 15 years ago that carbon nanotubes were first fashioned into transistors, the on-off switches at the heart of digital electronic systems.
But a bedeviling array of imperfections in these carbon nanotubes has long frustrated efforts to build complex circuits using CNTs.
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