Materials -- Engineering Heat Transport (IMAGE)

DOE/Oak Ridge National Laboratory

Materials -- Engineering Heat Transport

Caption

In a perfect thermoelectric crystal, vibrational waves decompose and localize. A diagram of simulated phonon energy versus momentum reveals exactly where heat transport stops because of vibrations interfering nonlinearly--the flat band between the curved top and V-shaped bottom bands.

Credit

Michael Manley/Oak Ridge National Laboratory, U.S. Dept. of Energy

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