Monitoring of the Condensation of Xenon (IMAGE) University of Basel Caption Depicted in scanning tunneling microscopy are three different quantum wells that contain one, two and three xenon atoms. Credit University of Basel Usage Restrictions Give adequate credit to the original author 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.