Confinement-dependent damping in a layered liquid

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Abstract

We present atomic force microscopy (AFM) measurements of the conservative oscillatory solvation forces and the damping in confined films of octamethylcyclotetrasiloxane using small amplitude modulation with magnetic driving. We find distinct maxima in the interaction damping upon probing the discrete molecular layers, supporting earlier observations of the same phenomenon using AFM with an acoustic driving scheme. The maxima in the damping are located at the same tip–surface separation as the maxima in the conservative oscillatory interaction stiffness
Original languageEnglish
Pages (from-to)1-4
Number of pages4
JournalJournal of physics: Condensed matter
Volume23
Issue number112206
DOIs
Publication statusPublished - 2011

Keywords

  • METIS-276552
  • IR-77491

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