IR ellipsometry study of oriented molecular monolayers

  title={IR ellipsometry study of oriented molecular monolayers},
  author={Ramdane Benferhat and Bernard Dr{\'e}villon and Ph. Robin},
Abstract The first experimental investigation of the vibrational properties of Langmuir-Blodgett (behenic acid) thin films to use the new IR technique of spectroscopic phase-modulated ellipsometry (SPME) is presented. These measurements provide information about the orientation of molecular segments relative to the substrate surface. Evidence for the anisotropic orientation of 1–19 monolayers is presented. A structural transition is observed when the film thickness increases from 1 to more than… CONTINUE READING


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