Related by context. Frequent words. (Click for all words.) 64 ionize 62 terahertz radiation 62 Gamma rays 61 nonlinearity 61 shorter wavelengths 61 ionisation 61 infrared rays 61 radiative 60 ionised 60 excitons 60 dispersive 60 ultrasonic waves 60 electron beams 60 dopant 59 excitations 59 electrochemically 59 alpha particles 59 ultraviolet UV light 59 Photons 59 hydrogen ions 59 decoherence 59 tropospheric 58 absorbance 58 bandgap 58 Cosmic rays 58 alpha particle 58 Ultraviolet light 58 magnetization 58 phonon 58 interferometers 58 antiprotons 58 magnetic flux 58 photodetector 58 Superconducting 58 ionizing 57 irradiance 57 resonant frequency 57 millivolts 57 diffraction pattern 57 atomic nuclei 57 exciton 57 hydroxyl radicals 57 laser pulse 57 picosecond 57 optical wavelengths 57 nanosized 56 aerosol particles 56 dye molecules 56 exosphere 56 solar corona 56 photocatalyst 56 ionization 56 electromagnetic pulses 56 magnetic fields 56 Ultraviolet radiation 56 silicon atoms 56 photons 56 reactant 56 gate electrode 56 excitation 56 cosmic ray 56 dipoles 56 photoluminescence 56 permittivity 56 electron density 56 orbitals 56 reactants 56 metastable 56 γ 56 microwave radiation 56 superlens 56 bilayer 55 stimulated emission 55 isotropic 55 dopants 55 ultraviolet wavelengths 55 Earth magnetosphere 55 electron spins 55 nitrogen atoms 55 keV 55 QDs 55 zinc oxide nanowires 55 silicon nitride 55 gold nanorods 55 -# degrees Fahrenheit [002] 55 photon 55 diffractive 55 photometer 55 adiabatic 55 sinusoidal 55 mesosphere 55 interplanetary spacecraft 55 electrically conducting 54 -# ° C [001] 54 MeV 54 beam splitter 54 combustion gases 54 photonic crystal 54 attosecond 54 oscillation 54 Solar flares