An experimental condensed matter physicist who, with Don Eigler, demonstrated controlled positioning of individual xenon chemical atoms on a nickel surface in 1990. Their scanning tunneling microscope operated at 4 K: its tip became a tool for constructing arrangements one chemical atom at a time, extending the instrument's role beyond imaging. This established a practical route to studying deliberately assembled structures on surfaces.[ref]
Positioning single atoms with a scanning tunnelling microscope by Don Eigler and Erhard Schweizer. Abstract: individual xenon atoms, single-crystal nickel, 4 K and atom-by-atom structures
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