University of Minnesota researchers discover nanoscale thickness changes can control metal electronic properties
Summary
Researchers at the University of Minnesota Twin Cities discovered that interfacial polarization can be used to control the electronic properties of metals. By engineering atomic interactions at material interfaces and simply changing the thickness of a metallic ruthenium dioxide (RuO2) film by just a few nanometers, they were able to alter its surface work function by more than 1 electron volt. The findings, published in Nature Communications, reveal a surprising new method for tuning metal behavior that could advance electronics, catalysis, and quantum technology.
Source
bskyUniversity of Minnesota researchers discover nanoscale thickness changes can control metal electronic propertiessciencedaily.comKey quotes
· 3 pulledBy carefully engineering the atomic interactions where two materials come into contact, the team was able to significantly alter the properties of a metallic material.
The findings, published in Nature Communications, show that a phenomenon known as interfacial polarization can be used to adjust the surface work function of metallic ruthenium dioxide (RuO2) by more than 1 electron volt (eV).
The effect was achieved simply by changing the thickness of a metal film by just a few nanometers.
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