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Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University

Ruan Rectification

Caption: Researchers are proposing a new technology that controls the flow of heat the way electronic devices control electrical current. Triangular graphene nanoribbons (a) are proposed as a new thermal rectifier, in which the heat flow in one direction is larger than that in the opposite direction. Thermal rectification (b) is not limited to graphene, but can also be seen in other "asymmetric nanostructure materials" including thin films, pyramidal quantum dots, nanocones and triangles. (Purdue University image)

A publication-quality graphic is available at http://www.purdue.edu/uns/images/2014/ruan-rectification.jpg

Credit: Purdue University

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Related news release: Research could bring new devices that control heat flow


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