Ultrafast sub-threshold photo-induced response in crystalline and amorphous GeSbTe thin films

and amorphous GeSbTe thin films M. J. Shu, I. Chatzakis, Y. Kuo, P. Zalden, and A. M. Lindenberg Department of Applied Physics, Stanford University, Stanford, California 94305, USA Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA I. Physikalisches Institut (IA), RWTH Aachen University, D-52056 Aachen, Germany Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, USA PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA