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July 22nd, 2007
Tightly packed molecules lend unexpected strength to nanothin sheet of material
Scientists at the University of Chicago and Argonne National Laboratory have discovered the surprising strength of a sheet of nanoparticles that measures just 50 atoms in thickness.
"It's an amazing little marvel," said Heinrich Jaeger, Professor in Physics at the University of Chicago. "This is not a very fragile layer, but rather a robust, resilient membrane."
Even when suspended over a tiny hole and poked with an ultrafine tip, the membrane boasts the equivalent strength of an ultrathin sheet of plexiglass that maintains its structural integrity at relatively high temperatures.
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