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6d ago
At just four nanometers thick, this metal starts behaving in a way physicists did not expect
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Researchers in the University of Minnesota Twin Cities have discovered a powerful new way to control the electronic behavior of a metal—by manipulating the atomic properties of materials where they meet. The study, published in Nature Communications, demonstrates that interfacial polarization can tune the surface work function of metallic ruthenium dioxide (RuO2) by more than 1 electron volt (eV)—a tiny amount of energy—simply by adjusting film thickness at the nanometer scale.
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