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Using a model for lithium phosphate, researchers computed how much each phonon contributes to the ion diffusion process. Armed with this knowledge, researchers could use lasers to selectively excite or heat up specific phonons, rather than exposing the entire material to high temperatures. This could open lead to low-cost fuel cells and batteries, among many other applications.
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Image courtesy of the researchers
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Associate Professor Asegun Henry believes this method could lead to the creation of a new research field — one he refers to as “phonon catalysis.” While the new work focuses specifically on ion diffusion, Henry sees applications in chemical reactions, phase transformations, and other temperature-dependent phenomena.