Related by context. Frequent words. (Click for all words.) 66 phonons 64 exciton 63 interfacial 62 excitons 62 ferromagnetic 61 magnetization 60 dopants 60 crystal lattice 59 bandgap 59 conductance 59 terahertz radiation 59 anisotropic 59 bosons 59 plasmons 58 electrons 58 electron 58 semiconducting 57 photons 57 anisotropy 57 isotropic 57 waveguides 57 magnetic flux 57 dimer 56 plasmonic 56 ferroelectric 56 graphene sheets 56 high temperature superconductors 56 electron spin 56 anion 56 superfluid 56 silicon oxide 56 microscale 56 biomolecule 55 Brownian motion 55 nanocrystal 55 dye molecules 55 electron beams 55 excitation 55 vibrational 55 antiprotons 55 dynamical 55 dielectrics 55 atoms 55 helices 54 fermions 54 nanotube 54 microchannels 54 radiative 54 resonators 54 nanoscopic 54 superconductor 54 graphene 54 nuclei 54 Photons 54 shorter wavelengths 54 oxygen atoms 54 SWNTs 54 superconductivity 54 quantum mechanical 54 chirality 54 high temperature superconductivity 54 photon 54 photonic crystal 54 silicon nitride 54 silicon substrate 53 GPa 53 magnetic fields 53 oscillations 53 superconductors 53 spacetime 53 lithosphere 53 nanowire 53 Supplementary Fig 53 metamaterial 53 photodetector 53 redox 53 microstructures 53 scanning tunneling microscope 53 electrochemical 53 nanotubes 53 morphologies 53 metal ions 53 ZnO 52 amplitudes 52 electron mobility 52 nanocrystals 52 biological molecules 52 alpha particles 52 crosslinking 52 oscillation 52 dimers 52 hydrogen ions 52 conformations 52 submicron 52 reactants 52 nanometer scale 52 hydride 52 anions 52 vortices 52 quantum entanglement 52 hydrogen atom