Theoretical Studies of Anisotropic Melting of Ice Induced by Ultrafast Nonthermal Heating.
ACS Phys Chem Au
; 4(4): 385-392, 2024 Jul 24.
Article
em En
| MEDLINE
| ID: mdl-39069981
ABSTRACT
Water and ice are routinely studied with X-rays to reveal their diverse structures and anomalous properties. We employ a hybrid collisional-radiative/molecular-dynamics method to explore how femtosecond X-ray pulses interact with hexagonal ice. We find that ice makes a phase transition into a crystalline plasma where its initial structure is maintained up to tens of femtoseconds. The ultrafast melting process occurs anisotropically, where different geometric configurations of the structure melt on different time scales. The transient state and anisotropic melting of crystals can be captured by X-ray diffraction, which impacts any study of crystalline structures probed by femtosecond X-ray lasers.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
ACS Phys Chem Au
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
Suécia