Ya Liu (IMAGE) Chalmers University of Technology Caption Ya Liu, PhD Student, Electronics Materials and Systems Laboratory (EMSL), Department of Microtechnology and Nanoscience, Chalmers University of Technology Credit Bo Hu/Chalmers University of Technology 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.