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

  • G. Saini (a1), T. Pezeril (a2), D.H. Torchinsky (a3), J. Yoon (a1), S.E. Kooi (a4), E.L. Thomas (a1) and K.A. Nelson (a2)...
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.

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a) Address all correspondence to this author. e-mail: kanelson@mit.edu
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Journal of Materials Research
  • ISSN: 0884-2914
  • EISSN: 2044-5326
  • URL: /core/journals/journal-of-materials-research
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