Other MIT researchers on the study include lead author Mindy D. "But it's an important litmus test for emerging technologies." days, says the new study represents "a giant step forward, to make that leap into production-level facilities."īridging the gap between lab and industry is something that researchers "don't often get a chance to do," he adds. Shulaker, who has been designing CNFETs since his Ph.D. The technique deposited carbon nanotubes edge to edge on the wafers, with 14,400 by 14,400 arrays CFNETs distributed across multiple wafers. The CNFETs were created in a commercial silicon manufacturing facility and a semiconductor foundry in the United States.Īfter analyzing the deposition technique used to make the CNFETs, Max Shulaker, an MIT assistant professor of electrical engineering and computer science, and his colleagues made some changes to speed up the fabrication process by more than 1,100 times compared to the conventional method, while also reducing the cost of production. In a study published June 1 in Nature Electronics, however, scientists show how CNFETs can be fabricated in large quantities on 200-millimeter wafers that are the industry standard in computer chip design. But until now, they've existed mostly in an "artisanal" space, crafted in small quantities in academic laboratories. Carbon nanotube field-effect transistors or CNFETs are more energy-efficient than silicon field-effect transistors and could be used to build new types of three-dimensional microprocessors.
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