Nanometer-nanosecond oscillatory expansion and contraction behavior of polymer films induced by 248 nm excimer laser excitation.

Abstract

Microregional mechanical measurements of a poly[methylmethacrylate) film can be made by a combined probe/measurement laser system, as represented in the picture. The localized nature of the laser systems allow quantification of the degree of expansion and contraction processes, as well as the glass-rubber transition. Such nondestructive techniques lead to… (More)
DOI: 10.1002/1439-7641(20001103)1:3<137::AID-CPHC137>3.0.CO;2-Y

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