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Scientific article
Open access
English

High-Frequency Subsurface and Bulk Dynamics of Liquid Indium

Published inPhysical review letters, vol. 98, 096104
Publication date2007
Abstract

We have performed bulk and surface-sensitive inelastic x-ray scattering experiments on liquid indium with 3 meV energy resolution. The experimental data are well reproduced within a generalized hydrodynamic model including structural and microscopic relaxation processes. We find a longitudinal viscosity of 22 mPa s in the near-surface region compared to 7.4 mPa s in the bulk. The origin of the increase is associated with a slowing down of the collective dynamics in a subsurface region of 4.6 nm.

Keywords
  • Liquid indium
  • Dynamics
  • Inelastic x-ray scattering
  • Surface-sensitive
Affiliation Not a UNIGE publication
Citation (ISO format)
REICHERT, H. et al. High-Frequency Subsurface and Bulk Dynamics of Liquid Indium. In: Physical review letters, 2007, vol. 98, p. 096104. doi: 10.1103/PhysRevLett.98.096104
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Article (Published version)
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ISSN of the journal0031-9007
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