Abstract
An approach for thermomechanical characterization of phase transitions in polymeric materials (polyethyleneterephthalate) by band excitation acoustic force microscopy is developed. This methodology allows the independent measurement of resonance frequency, Q factor, and oscillation amplitude of a tip-surface contact as a function of tip temperature, from which the thermal evolution of tip-surface spring constant and mechanical dissipation can be extracted. We demonstrate a heating protocol which keeps the contact area and contact force constant, thus allowing for reproducible measurements and quantitative extraction of material properties including temperature dependence of indentation-based elastic and loss moduli.
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Dates
Type | When |
---|---|
Created | 17 years ago (Aug. 21, 2008, 12:23 a.m.) |
Deposited | 2 years, 1 month ago (July 2, 2023, 4:39 p.m.) |
Indexed | 3 weeks, 1 day ago (July 30, 2025, 6:51 a.m.) |
Issued | 17 years ago (Aug. 18, 2008) |
Published | 17 years ago (Aug. 18, 2008) |
Published Online | 17 years ago (Aug. 19, 2008) |
Published Print | 17 years ago (Aug. 18, 2008) |
@article{Jesse_2008, title={Local thermomechanical characterization of phase transitions using band excitation atomic force acoustic microscopy with heated probe}, volume={93}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2965470}, DOI={10.1063/1.2965470}, number={7}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Jesse, S. and Nikiforov, M. P. and Germinario, L. T. and Kalinin, S. V.}, year={2008}, month=aug }