A ring of iron atoms on a copper surface forms a “corral” within which the probability density of trapped electrons is clearly visible. This image was obtained with a scanning tunneling electron microscope. (Image originally created by IBM Corporation.)
A ring of iron atomson a copper surface forms a “corral”within which the probability densityof trapped electrons is clearly visible.This image was obtained witha scanning tunneling electron microscope.(Image originally created byIBM Corporation.)