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(a) and (b): White-light polarization microscopy images of a TGS surface covered with LC molecules. White arrows in the upper left corner indicate the analyzer orientation. (c) Close-up PFM image showing the 180° ferroelectric domain wall in TGS. (d) Atomic force microscopy sample topography of the same area as in (c) revealing isolated sized Au particles situated on up/down oriented TGS domains.
Light polarization vs plasmon polariton resonance wavelength recorded for the two Au nanoparticles in Fig. 1(d) situated on antiparallel oriented TGS domains.
Inverted confocal microscope setup for polarization microscopy and spectroscopy. Addressing single Au nanoparticles as well as identifying FE domains is possible by scanning the sample.
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