Topographic Image (IMAGE) Forschungszentrum Juelich Caption Topographic image of a small island of Cobalt on a Copper surface (size 25 Nanometer times 25 Nanometer). Nc mark the molecules used for functionalising the tip. The tiny square mark the area of a zoom-in which is shown enlarged in the top left corner and which shows the different magnetic interaction field from different Cobalt atoms in the layer. Credit Copyright: Forschungszentrum Jülich / Markus Ternes Usage Restrictions Please give credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.