Dynamics of Nanoparticles in a Supercooled Liquid

Chiara Caronna, Yuriy Chushkin, Anders Madsen, and Antonio Cupane
Phys. Rev. Lett. 100, 055702 – Published 8 February 2008

Abstract

The dynamic properties of nanoparticles suspended in a supercooled glass forming liquid are studied by x-ray photon correlation spectroscopy. While at high temperatures the particles undergo Brownian motion the measurements closer to the glass transition indicate hyperdiffusive behavior. In this state the dynamics is independent of the local structural arrangement of nanoparticles, suggesting a cooperative behavior governed by the near-vitreous solvent.

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  • Received 30 July 2007

DOI:https://doi.org/10.1103/PhysRevLett.100.055702

©2008 American Physical Society

Authors & Affiliations

Chiara Caronna1,2, Yuriy Chushkin1, Anders Madsen1,*, and Antonio Cupane2

  • 1European Synchrotron Radiation Facility, B.P. 220, F-38043 Grenoble, France
  • 2Department of Physical and Astronomical Sciences, via Archirafi 36, I-90123, Palermo, Italy

  • *amadsen@esrf.fr

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Vol. 100, Iss. 5 — 8 February 2008

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