Mechanical Testing of Monolayers. 1. Fourier Transform Analysis

Kevin C. O'Brien, Jerome B. Lando

Research output: Contribution to journalArticlepeer-review

Abstract

A new technique has been developed to perform mechanical tests on monolayer films. The viscoelastic properties of the films can be understood through use of linear system theory, where the viscoelastic parameters for the film can be thought of as the response function of the system. The tangent of the phase difference (δ) between stress and strain and the modulus of the film (|E*|) are determined as a function of the frequency applied to the sample. The computation of δ and |E*| is facilitated by computing the Fourier transforms of the stress and strain signals.

Original languageEnglish (US)
Pages (from-to)301-305
Number of pages5
JournalLangmuir
Volume1
Issue number3
DOIs
StatePublished - May 1985
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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