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Phys Rev Lett. 2012 May 25;108(21):214303. Epub 2012 May 21.

Heat flux manipulation with engineered thermal materials.

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The Rowland Institute at Harvard, Harvard University, Cambridge, Massachusetts 02142, USA.


Utilizing a multilayered composite approach, we have designed and constructed a new class of artificial materials for thermal conduction. We show that an engineered material can be utilized to control the diffusive heat flow in ways inconceivable with naturally occurring materials. By shielding, concentrating, and inverting heat current, we experimentally demonstrate the unique potential and the utility of guiding heat flux.

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