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July 19th, 2007
Striped nanorods feel the strain
Stripy nanorods containing evenly spaced quantum dots have been prepared thanks to strain forces, report US nanochemists.
This is the first time that strain has been used to construct a '1D superlattice' of this sort without the need to fix the particles to a solid surface, said lead author Paul Alivisatos at the University of California at Berkeley. The free-standing colloidal particles 'can go where particles on a substrate can't go,' explained Alivisatos, opening up a host of biological and other applications.
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