Fig. 1: Perforated film.
From: Bulk superinsulation and polar nematic orders in nanopatterned NbTiN

Image of a section of one of the perforated NbTiN films, collected by scanning electron microscope.
From: Bulk superinsulation and polar nematic orders in nanopatterned NbTiN
Image of a section of one of the perforated NbTiN films, collected by scanning electron microscope.