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R&D 100 Winner Spotlight: CHESS thin-film thermoelectric refrigeration technology

A scalable solid-state thermoelectric cooling technology using nano-engineered materials called CHESS (Controlled Hierarchically Engineered Superlattice Structures) has shown roughly double the materials performance near room temperature compared with conventional bulk thermoelectric materials. The work was developed at Johns Hopkins Applied Physics Laboratory, with Samsung Research collaborating on refrigeration-system testing and analysis. CHE…
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Research & Development World broke the news in on Wednesday, January 7, 2026.
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