Related by context. Frequent words. (Click for all words.) 66 oxygen atoms 64 excitons 63 ions 63 crystal lattice 62 hydrogen ions 60 hydrogen atoms 60 electrons 60 atoms 60 anion 59 ferromagnetic 59 graphene sheets 59 oxygen atom 59 SWNTs 59 reactants 59 interfacial 58 nanotubes 58 particles 58 carbon atom 58 electrically conductive 58 phonons 58 nanometer sized 58 functionalized 58 magnetic particles 58 hydrogen atom 58 hydrophilic 58 lithium ions 58 monolayer 57 hydrophobic 57 filaments 57 adsorbed 57 helices 57 carbon atoms 57 semiconducting 57 titanium oxide 56 alternating layers 56 electrostatic 56 nuclei 56 nanoscopic 56 microstructures 56 terahertz radiation 56 electron 56 superfluid 56 polymeric 56 alpha particles 56 fermions 56 dimer 55 molecules 55 anode 55 micron sized 55 nanocrystals 55 liquid droplets 55 aqueous solution 55 block copolymers 55 silicates 55 plasmons 55 waveguides 55 magnetically 55 metal ions 55 magnetic flux 55 substrate 55 calcium ions 54 nucleation 54 nanocrystal 54 Bose Einstein condensate 54 nanowires 54 recombine 54 magnesium oxide 54 micelles 54 adsorption 54 ionized 54 biological molecules 54 electron beams 54 monomers 54 DNA strands 53 anisotropic 53 nanospheres 53 fullerene 53 magnetic nanoparticles 53 silicon substrate 53 nanotube 53 ZnO 53 electrode 53 silicon oxide 53 membranes 53 bandgap 53 nanostructure 53 fibrils 52 aluminum oxide 52 nanofibers 52 Electrons 52 nanometers thick 52 muons 52 crystalline structure 52 dimers 52 membrane 52 droplets 52 isotropic 52 ionized gas 52 nanowire 52 radiative 52 atomic nuclei