Related by context. Frequent words. (Click for all words.) 68 ferromagnetic 67 crystal lattice 67 phonons 64 conductance 64 magnetization 64 anisotropic 64 photonic crystal 62 electron spin 62 superfluid 62 waveguides 62 bandgap 62 nanowire 62 nanocrystal 62 interfacial 61 resonator 61 semiconducting 61 isotropic 61 nanotube 60 anisotropy 60 chirality 60 quantum dot 60 substrate 60 electrons 60 waveguide 59 sinusoidal 59 dielectric 59 electron 59 nanostructure 59 plasmonic 58 resonators 58 dimers 58 microscale 58 nanotubes 58 electrode 58 silicon substrate 58 resonant frequency 58 atoms 58 ferroelectric 58 nanocrystals 58 microstructures 58 dimer 58 silicon oxide 57 high temperature superconductors 57 oxygen atoms 57 radiative 57 dielectrics 57 helices 57 polarity 57 superconducting 57 spacetime 57 refractive index 57 fullerene 57 graphene 57 ferrite 57 lithium ions 56 muon 56 monolayer 56 nanostructures 56 excitation 56 temperature gradient 56 nanowires 56 anode 56 planar 56 redox 56 superposition 56 ions 56 graphene sheets 56 nanometer scale 56 silicon 56 nanoscopic 56 photon 56 surface roughness 56 nuclei 56 oscillation 55 Supplementary Fig 55 qubit 55 fermions 55 atomic nuclei 55 quantum dots 55 photodiode 55 dielectric constant 55 positron 55 macroscopic 55 superconductor 55 lithosphere 55 transistor 55 hysteresis 55 photons 55 metamaterial 55 germanium 55 piezoelectric 55 torus 55 ZnO 55 hydrogen atom 55 photonic crystals 54 calcium ions 54 photodetectors 54 submicron 54 nucleation 54 conformations 54 conductivity