[17p-C4-2~9] 18.7 Laser Photonics－XFEL and ultrafast optics－

▲ [17p-C4-5] Ultra-fast Processes in Optically Excited Ge₂Sb₂Te₅ by Transient X-ray Diffraction Using a Free-Electron Laser

^〇Kirill Mitrofanov^1,4, Paul Fons^1,4, Kotaro Makino¹, Ryo Terashima², Alexander Kolobov¹, Junji Tominaga¹, Alessandro Giussani³, Raffella Calarco³, Henning Riechert³, Tetsuo Katayama⁵ (Nanoelectronics Research Institute, AIST¹, Institute of Applied Physics, University of Tsukuba², Paul-Drude-Institut fur Festkorperelektronik³, RIKEN SPring-8, XFEL Research and Development Division⁴, XFEL Project Head Office, Japan Synchrotron Radiation Research Institute⁵)

Keywords:Time-resolved x-ray diffraction,Free-electron laser,Ultrafast structural dynamics