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Proceedings Paper

Imaging spatio-temporal fluctuations and local susceptibility in disordered polymers
Author(s): N. E. Israeloff; P. S. Crider; M. E. Majewski
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Paper Abstract

Spatial and temporal fluctuations of the electric polarization were imaged in polymer thin films near the glass transition using electric force microscopy. Below the glass transition the fluctuations are quasi-static and spatial fluctuations were found to quantitatively agree with predictions for thermal fluctuations. Temporal fluctuations appear near the glass transition. Images of the space-time nanoscale dynamics near the glass transition are produced and analyzed. Local, complex dielectric susceptibility was also studied, and shows that dynamics on the free-surface are faster relative to the bulk.

Paper Details

Date Published: 11 June 2007
PDF: 8 pages
Proc. SPIE 6600, Noise and Fluctuations in Circuits, Devices, and Materials, 66001A (11 June 2007); doi: 10.1117/12.726961
Show Author Affiliations
N. E. Israeloff, Northeastern Univ. (United States)
P. S. Crider, Northeastern Univ. (United States)
M. E. Majewski, Northeastern Univ. (United States)

Published in SPIE Proceedings Vol. 6600:
Noise and Fluctuations in Circuits, Devices, and Materials
Massimo Macucci; Lode K.J. Vandamme; Carmine Ciofi; Michael B. Weissman, Editor(s)

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