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Observation of structural anisotropy and the onset of liquidlike motion during the nonthermal melting of InSb

Gaffney, KJ ; Lindenberg, AM ; Larsson, Jörgen LU orcid ; Sokolowski-Tinten, K ; Blome, C ; Synnergren, Ola LU ; Sheppard, J ; Caleman, C ; MacPhee, AG and Weinstein, D , et al. (2005) In Physical Review Letters 95(12).
Abstract
The melting dynamics of laser excited InSb have been studied with femtosecond x-ray diffraction. These measurements observe the delayed onset of diffusive atomic motion, signaling the appearance of liquidlike dynamics. They also demonstrate that the root-mean-squared displacement in the [111] direction increases faster than in the [110] direction after the first 500 fs. This structural anisotropy indicates that the initially generated fluid differs significantly from the equilibrium liquid.
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@article{15a21279-0793-4086-a6a6-de0635171aa0,
  abstract     = {{The melting dynamics of laser excited InSb have been studied with femtosecond x-ray diffraction. These measurements observe the delayed onset of diffusive atomic motion, signaling the appearance of liquidlike dynamics. They also demonstrate that the root-mean-squared displacement in the [111] direction increases faster than in the [110] direction after the first 500 fs. This structural anisotropy indicates that the initially generated fluid differs significantly from the equilibrium liquid.}},
  author       = {{Gaffney, KJ and Lindenberg, AM and Larsson, Jörgen and Sokolowski-Tinten, K and Blome, C and Synnergren, Ola and Sheppard, J and Caleman, C and MacPhee, AG and Weinstein, D and Lowney, DP and Allison, T and Matthews, T and Falcone, RW and Cavalieri, AL and Fritz, DM and Lee, SH and Bucksbaum, PH and Reis, DA and Rudati, J and Macrander, AT and Fuoss, PH and Kao, CC and Siddons, DP and Pahl, R and Moffat, K and Als-Nielsen, J and Duesterer, S and Ischebeck, R and Schlarb, H and Schulte-Schrepping, H and Schneider, J and von der Linde, D and Hignette, O and Sette, F and Chapman, HN and Lee, RW and Hansen, Tue and Wark, JS and Bergh, M and Huldt, G and van der Spoel, D and Timneanu, N and Hajdu, J and Akre, RA and Bong, E and Krejcik, P and Arthur, J and Brennan, S and Luening, K and Hastings, JB}},
  issn         = {{1079-7114}},
  language     = {{eng}},
  number       = {{12}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review Letters}},
  title        = {{Observation of structural anisotropy and the onset of liquidlike motion during the nonthermal melting of InSb}},
  url          = {{https://lup.lub.lu.se/search/files/2935768/2375017.pdf}},
  doi          = {{10.1103/PhysRevLett.95.125701}},
  volume       = {{95}},
  year         = {{2005}},
}