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Pulsed laser characterization of multicomponent polymer acoustic and mechanical properties in the sub-GHz regime

Published online by Cambridge University Press:  03 March 2011

G. Saini
Affiliation:
Institute for Soldier Nanotechnologies, Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
T. Pezeril
Affiliation:
Institute for Soldier Nanotechnologies, Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
D.H. Torchinsky
Affiliation:
Institute for Soldier Nanotechnologies, Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
J. Yoon
Affiliation:
Institute for Soldier Nanotechnologies, Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
S.E. Kooi
Affiliation:
Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
E.L. Thomas
Affiliation:
Institute for Soldier Nanotechnologies, Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
K.A. Nelson*
Affiliation:
Institute for Soldier Nanotechnologies, Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
*
a) Address all correspondence to this author. e-mail: kanelson@mit.edu
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Abstract

We investigated the acoustic properties in the sub-GHz frequency regime of a multilayer system comprising alternating 100-nm scale TiO2/poly(methyl methacrylate) (PMMA) layers through a laser photoacoustic method, impulsive stimulated thermal scattering (ISTS). The acoustic dispersion curves were determined, and the mechanical properties were extracted from the experimental results.

Type
Articles
Copyright
Copyright © Materials Research Society 2007

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References

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