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Nanorod-assembled order affects diffusion rate and direction
Date:2/6/2012

Hernandez. "Blue-sky applications of such devices include the creation of new light patterns, information flow and other microscopic triggers."

For example, if scientists need a probe to diffuse in a specific direction at a particular speed, they could trigger the nanorods to move into a specified direction. When they need to change the particle's direction, scatterers could then be triggered to rearrange into a different direction. Indeed, the trigger could be the absence of sufficient nanoparticles in a given part of the device. The ensuing reordering of the nanorods would then drive a repopulation of nanoparticles that would then be available to perform a desired action, such as to stimulate light flow.

"While this NSF-funded work to better understand the motion of particles within complex arrays at the nanoscale is very fundamental," Hernandez says, "it has significant long-term implications on device fabrication and performance at such scales. It's fun to think about and provides great training for my students."


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Contact: Jason Maderer
maderer@gatech.edu
404-385-2966
Georgia Institute of Technology
Source:Eurekalert  

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