Neutron-Spin-Echo Investigation on the Dynamics of Polybutadiene near the Glass Transition

D. Richter, B. Frick, and B. Farago
Phys. Rev. Lett. 61, 2465 – Published 21 November 1988
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Abstract

We present neutron-spin-echo data on the structural relaxation of glass-forming polybutadiene near the glass transition. Microscopic dynamics on the scale of an interchain distance and the monomeric friction coefficient derived from macroscopic viscosity relaxation obey the time-temperature superposition principle following a common scale. The dynamic structure factor exhibits strong similarities with recent mode-coupling predictions.

  • Received 12 July 1988

DOI:https://doi.org/10.1103/PhysRevLett.61.2465

©1988 American Physical Society

Authors & Affiliations

D. Richter, B. Frick, and B. Farago

  • Institut Laue-Langevin, 156X, 38042 Grenoble CEDEX, France

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Issue

Vol. 61, Iss. 21 — 21 November 1988

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