Figure 2 Single atom X-ray mechanism (IMAGE) Ohio University Caption (Left) An image of a ring shaped supramolecule where only one Fe atom is present in the entire ring. (Right) X-ray signature of just one Fe atom. Credit Saw-Wai Hla Usage Restrictions N/A License Original 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.