UCR researchers discover new method to dissipate heat in electronic devices; modulating the flow of phonons

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An international team of scientists led by a researcher at the University of California, Riverside has modified the energy spectrum of acoustic phonons—elemental excitations, also referred to as quasi-particles, that spread heat through crystalline materials like a wave—by confining them to nanometer-scale semiconductor structures. It can also be used to improve the efficiency of thermoelectric energy generation, Balandin said.

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