1. Sang-Kil Son, “Femtosecond response of atoms and molecules to ultra-intense hard x-rays” in Workshop on Science of “From Matter to Materials and Life” (Dresden, Germany, February 13-15, 2019) [oral presentation].
  2. Sang-Kil Son, Koudai Toyota, Robin Santra, Benedikt Rudek, Artem Rudenko, and Daniel Rolles, “Relativistic and resonant effects on x-ray multiphoton multiple ionization of heavy atoms” in 83rd Annual Meeting of the DPG and DPG Spring Meeting of the Section AMOP (German Physical Society, Rostock, Germany, March 11-15, 2019) [oral presentation].
  3. Sang-Kil Son, “Ultrafast dynamics of atoms and molecules induced by intense x-ray free-electron laser pulses” in 28th Annual International Laser Physics Workshop (Gyeongju, Korea, July 8-12, 2019) [invited talk].
  4. Sang-Kil Son, “What happens to atoms and molecules during x-ray free-electron laser pulses?” in Physics/BK21+ Seminar (Department of Physics, POSTECH, Pohang, Korea, July 15, 2019) [invited talk].
  5. Sang-Kil Son, “What happens to atoms and molecules during x-ray free-electron laser pulses?” in Physics Seminar (Department of Physics, UNIST, Ulsan, Korea, July 16, 2019) [invited talk].