期刊
PHYSICAL REVIEW LETTERS
卷 123, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.123.123201
关键词
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资金
- X-ray Free Electron Laser Utilization Research Project
- X-ray Free Electron Laser Priority Strategy Program of the MEXT
- JSPS KAKENHI [15K17487]
- JSPS
- CNR
- IMRAM project
- Research Program for Next Generation Young Scientists of Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials in Network Joint Research Center for Materials and Devices
- Research Program of Dynamic Alliance for Open Innovation Bridging Human, Environment and Materials in Network Joint Research Center for Materials and Devices
- U.S. Department of Energy, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences, and Biosciences through Argonne National Laboratory
- UChicago Argonne, LLC [DE-AC02-06CH11357]
- NOXSS PRIN contract of MIUR, Italy
- Grants-in-Aid for Scientific Research [15K17487] Funding Source: KAKEN
Femtosecond laser pulses have opened new frontiers for the study of ultrafast phase transitions and nonequilibrium states of matter. In this Letter, we report on structural dynamics in atomic clusters pumped with intense near-infrared (NIR) pulses into a nanoplasma state. Employing wide-angle scattering with intense femtosecond x-ray pulses from a free-electron laser source, we find that highly excited xenon nanoparticles retain their crystalline bulk structure and density in the inner core long after the driving NIR pulse. The observed emergence of structural disorder in the nanoplasma is consistent with a propagation from the surface to the inner core of the clusters.
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