Picosecond strain dynamics in Ge${}_2$Sb${}_2$Te${}_5$ monitored by time-resolved x-ray diffraction

Paul Fons, Peter Rodenbach, Kirill V. Mitrofanov +9

Coherent phonons (CP) generated by laser pulses on the femtosecond scale have been proposed as a means to achieve ultrafast, non-thermal switching in phase-change materials such as…