Related by context. Frequent words. (Click for all words.) 65 excitons 63 atoms 62 electrons 60 nanocrystals 60 Bose Einstein condensate 60 aerosol particles 60 alpha particles 59 oxygen atoms 59 SWNTs 59 nuclei 59 nanotubes 59 scanning tunneling microscope 59 nanotube 58 biological molecules 58 lithium ions 58 hydrogen atoms 58 crystal lattice 58 ions 58 hydrogen ions 58 superfluid 58 particles 58 fermions 58 magnetic fields 57 molecules 57 photons 57 electron beams 57 reactants 57 nanocrystal 57 Earth magnetosphere 57 gravitationally 56 nanowire 56 laser pulse 56 nanoscopic 56 ionized gas 56 graphene sheets 56 crystals 56 electron 56 atomic nuclei 56 accretion disk 56 microstructures 55 nanowires 55 filaments 55 phonons 55 supercooled 55 X ray emission 55 nanospheres 55 micron sized 55 neutrons 55 quantum mechanical 55 interstellar medium 54 muons 54 nanometer sized 54 magnetic particles 54 magnetosphere 54 photonic crystal 54 quark gluon plasma 54 subatomic particles 54 liquid droplets 54 nanorods 54 interfacial 54 calcium ions 54 quantum dot 54 monolayer 54 organic molecules 53 crystalline structure 53 Brownian motion 53 aqueous solution 53 anisotropic 53 quantum dots 53 dimer 53 microscale 53 magnetically 53 molecule 53 micelles 53 deuterium 53 silicates 53 electron spin 53 muon 53 carbonic acid 53 semiconducting 53 microfluidic device 53 DNA strands 53 anion 53 ferromagnetic 52 silicon nanowires 52 WIMPs 52 quantum entanglement 52 rubidium 52 carbon atoms 52 nanometer scale 52 positron 52 picosecond 52 nanoparticles 52 metal ions 52 magnetic flux 52 spacetime 52 magnetic nanoparticles 52 laser pulses 52 dwarf galaxies 51 radiative 51 droplets