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

▲ [17p-C4-6] A Density Function Investigation of Excited-State effects due to Ultrafast Excitation in Ge₂Sb₂Te₅ Epitaxial Films

^〇Paul Fons^1,4, Kirill Mitrofanov^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:density-functional theory,free-electron laser,lattice dynamics