image: As-synthesized arc-discharge carbon nanotube soot containing a heterogeneous mixture of metallic and semiconducting carbon nanotube bundles. This material relates to a paper that appeared in the Sept. 2, 2016, issue of Science Advances, published by AAAS. The paper, by G.J. Brady at University of Wisconsin-Madison in Madison, WI, and colleagues was titled, 'Quasi-ballistic carbon nanotube array transistors with current density exceeding Si and GaAs.' view more
Credit: Courtesy of Jerry Brady and Mike Arnold