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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 ,
T. Pezeril ,
D.H. Torchinsky ,
J. Yoon ,
S.E. Kooi ,
E.L. Thomas  and
K.A. Nelson
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.

Keywords

AcousticElastic propertiesPolymer
Type
Articles
Information
Journal of Materials Research , Volume 22 , Issue 3 , March 2007 , pp. 719 - 723
Copyright
Copyright © Materials Research Society 2007

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References

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