Xiaoyu Ji, Penn State (IMAGE) Penn State Caption Xiaoyu Ji, Ph.D. candidate in materials science at Penn State, tests his crystals at Argonne National Laboratory with beamline scientist Wenjun Liu. The work was done at the sector and beamline no. 34-ID-E at the Advanced Photon Source. Credit Penn State Usage Restrictions non commercial use only 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.