Measurements of heat transport across polished nanoscale contacts formed between the tip of a scanning thermal microscope and a surface support the notion that their true contact area consists of discrete atomic contact points.
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Mo, Y., Szlufarska, I. Single hot contacts. Nature Mater 12, 9–11 (2013). https://doi.org/10.1038/nmat3506
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DOI: https://doi.org/10.1038/nmat3506
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