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Local thermomechanical characterization of phase transitions using band excitation atomic force acoustic microscopy with heated probe

Appl. Phys. Lett. 93, 073104 (2008); doi:10.1063/1.2965470

Published 19 August 2008

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S. Jesse,1 M. P. Nikiforov,1 L. T. Germinario,2 and S. V. Kalinin1
1The Center for Nanophase Materials Science, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
2Eastman Chemical Company, Kingsport, Tennessee 37663, USA
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. ©2008 American Institute of Physics
History: Received 9 June 2008; accepted 27 June 2008; published 19 August 2008
Permalink: http://link.aip.org/link/?APPLAB/93/073104/1
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KEYWORDS and PACS

Keywords
PACS
  • 82.35.Lr
    Physical properties of polymers relating to polymer chemistry
  • 64.70.km
    Solid-solid transitions in polymers
  • 81.40.Jj
    Elasticity and anelasticity, stress-strain relations
  • 81.40.Gh
    Other heat and thermomechanical treatments
  • 62.20.de
    Elastic moduli of solids
  • 61.41.+e
    Structure of polymers, elastomers, and plastics
  • YEAR: 2008

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PUBLICATION DATA

ISSN:
0003-6951 (print)   1077-3118 (online)
Publisher:
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REFERENCES (15)
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