New Properties Discovered for Nanotube Sheets

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Atomic force micrograph of multi-walled carbon nanotubes in buckypaper. Each of these nanotubes is 10000 times as thin as a human hair. Credit: University of Texas at Dallas
Atomic force micrograph of multi-walled carbon nanotubes in buckypaper. Each of these nanotubes is 10,000 times as thin as a human hair. Credit: University of Texas at Dallas

A team of nanotechnologists at The University of Texas at Dallas, along with Brazilian collaborators, have discovered that sheets of carbon nanotubes can produce bizarre mechanical properties when stretched or uniformly compressed. These unexpected but highly useful properties could be used for such applications as making composites, artificial muscles, gaskets or sensors. The team’s findings are reported in the April 25 issue of the journal Science.


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