Laser-Heating Synthesis (IMAGE) Carnegie Institution for Science Caption The bipartite sodalite type clathrate structure, which consists of truncated octahedral "host" cages that trap strontium "guest" atoms, was synthesized under high-pressure and high-temperature conditions using a laser heating technique. Credit Image is courtesy of Tim Strobel. Usage Restrictions With 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.