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Updated: Jul 29, 2026

Cooling Rate Dependent Ellipsometry Measurements to Determine the Dynamics of Thin Glassy Films
Published on: January 26, 2016
Observation of a re-entrant kinetic glass transition in a micellar system with temperature-dependent attractive
S H Chen1, F Mallamace, A Faraone
1Department of Nuclear Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
Abstract:
We detect in a tri-block co-polymer micellar system an ergodic-to-nonergodic-to-ergodic transition, as a function of temperature, in a range of concentrations, by photon correlation measurements. The shear viscosity is also shown to jump two order of magnitude at these transition temperatures. Surprisingly, the structure factor as measured by small angle neutron scattering shows a marked narrowing at the structural arrest state. Rationalization of these results with the existence of an attractive branch in the phase diagram of an attractive colloid system predicted by mode coupling theory is made.
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