Related by context. Frequent words. (Click for all words.) 56 hexagonal 54 geometrical shapes 54 lattice 53 pentagonal 53 tetrahedral 52 lattices 52 stacked vertically 52 Exquisitely 52 irregular shapes 52 rectangular 52 nanosized 52 vertically stacked 52 geometric pattern 51 hexagons 51 photonic crystal 50 crystalline structure 50 crystal lattice 50 symmetrically 49 nanoporous 49 Vertically 49 scanning tunneling microscope 49 boomerang shaped 48 supramolecular 48 pentagons 48 latticed 48 nanoscopic 48 cube shaped 48 rectangles 48 bilayer 48 sawtooth 47 semicircular 47 boxlike 47 block copolymer 47 moieties 47 radially 47 optical lattice 47 decoratively 47 dye molecules 47 cuboid 47 microelectrodes 47 lava tubes 47 cylindrical 47 octagonal 47 geodesic 46 vertically aligned 46 hollow tubes 46 whorls 46 hierarchically 46 mycelium 46 cruciform 46 geometric shapes 46 transversely 46 hemispherical 46 #x#x# [005] 46 dipoles 46 perfectly symmetrical 46 threadlike 46 crystals 46 concentric circles 46 salt crystals 46 graphitic 46 silicon substrates 45 waveguides 45 irregularly shaped 45 electrically conducting 45 Fig. 1A 45 nanoribbons 45 membranous 45 chromophore 45 stalactite 45 varying heights 45 electromagnetically 45 checkerboard pattern 45 rectilinear 45 beautifully sculpted 45 glazed tiles 45 spherical 45 textured surfaces 45 micrometre 45 monolayers 45 crystallographic 45 vitrines 45 amino acid residues 45 rectangular shaped 45 flower petal 45 Nanowires 45 alternating layers 45 honeycomb 45 dowels 45 symmetries 45 abstract shapes 45 photodetector 45 #L stainless steel 45 zinc oxide nanowires 45 matrix 44 magnetic particles 44 sconce 44 diffraction pattern 44 microenvironments 44 curved surfaces 44 nanoscale structures