Related by context. Frequent words. (Click for all words.) 54 electrochemical 53 biomolecule 53 elemental composition 53 electron 52 alpha particles 52 rubidium 52 ultrasonic waves 51 exciton 51 SWCNTs 51 excitons 51 scanning tunneling microscope 51 laser pulse 51 photonic crystal 51 radioactive decay 51 microscale 51 nanomechanical 51 reactants 51 radiative 51 laser pulses 51 isotropic 50 electron spins 50 ultrasonics 50 spectrometry 50 electrons 50 dispersive 50 argon 50 shorter wavelengths 50 biological molecules 49 electromagnetic induction 49 photometer 49 femtoseconds 49 ultraviolet UV light 49 nanocrystal 49 spectroscopic 49 hydride 49 photoelectric effect 49 photometry 49 ion beam 49 microwave frequencies 49 photon 49 interferometry 49 picosecond 49 atoms 49 quadrupole 49 quark gluon plasma 49 frequency comb 49 ferroelectric 49 ionization 49 interferometers 49 interferometric 49 X ray fluorescence 49 Bose Einstein condensate 49 neutron scattering 49 ionised 48 photons 48 particle 48 isotopic 48 nm wavelength 48 hydrogen atom 48 optical biosensors 48 electron density 48 chirality 48 thermochemical 48 dye molecules 48 terahertz radiation 48 dopant 48 ferromagnetic 48 quantum mechanical 48 nanosized 48 quantized 48 superconducting materials 48 electron spin 48 chemical reactions 48 femtosecond 48 cuprates 48 quantum dot 48 electron beams 47 macroscale 47 attosecond 47 ionisation 47 Type Ia supernovae 47 organic molecules 47 silicon atoms 47 photodetector 47 semiconducting 47 high temperature superconductors 47 analyte 47 absorbance 47 ionize 47 electrospinning 47 microchannel 47 laser ablation 47 dynamical 47 solar nebula 47 Quantum dots 47 photocatalytic 47 X ray beams 47 superfluid 47 muon 47 radiometer 46 ionic liquid