Ultrafast Structural Dynamics of Nanoparticles in Intense Laser Fields
- Nishiyama, Toshiyuki
- Kumagai, Yoshiaki
- Niozu, Akinobu
- Fukuzawa, Hironobu
- Motomura, Koji
- Bucher, Maximilian
- Ito, Yuta
- Takanashi, Tsukasa
- Asa, Kazuki
- Sato, Yuhiro
- You, Daehyun
- Li, Yiwen
- Ono, Taishi
- Kukk, Edwin
- Miron, Catalin
- Neagu, Liviu,
- Callegari, Carlo
- Di Fraia, Michele
- Rossi, Giorgio
- Galli, Davide
- Pincelli, Tommaso
- Colombo, Alessandro
- Kameshima, Takashi
- Joti, Yasumasa
- Hatsui, Takaki
- Owada, Shigeki
- Katayama, Tetsuo
- Togashi, Tadashi
- Tono, Kensuke
- Yabashi, Makina
- Matsuda, Kazuhiro
- Bostedt, Christoph
- Nagaya, Kiyonobu
- Ueda, Kiyoshi
Publication date
September 2019
DOI Publisher
American Physical Society (APS)Abstract
International audienceFemtosecond laser pulses have opened new frontiers for the study of ultrafast phase transitions andnonequilibrium states of matter. In this Letter, we report on structural dynamics in atomic clusters pumpedwith intense near-infrared (NIR) pulses into a nanoplasma state. Employing wide-angle scattering withintense femtosecond x-ray pulses from a free-electron laser source, we find that highly excited xenonnanoparticles retain their crystalline bulk structure and density in the inner core long after the driving NIRpulse. The observed emergence of structural disorder in the nanoplasma is consistent with a propagationfrom the surface to the inner core of the clusters
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