Related by context. Frequent words. (Click for all words.) 68 ions 55 cation 54 ionic 53 electron 52 adsorption 51 proton 51 particle 50 electrons 49 ionization 49 atoms 49 excitation 49 calcium ions 49 Pd 48 ionized 48 dioxide 48 ionizing 48 neutron 47 ferrite 47 photon 47 electrostatic 47 electron spin 47 xenon 46 atom 46 cations 46 boron 46 electrochemical 46 radiative 46 hydrogen atom 45 aluminum oxide 45 anode 45 catalytic 45 resonator 45 electrode 45 resonant frequency 45 metal ions 45 dielectric 45 neutrons 44 dielectrics 44 titanium oxide 44 ferromagnetic 44 polymerization 44 fluxes 44 photons 44 oxidant 43 electron beam 43 magnetization 43 zeolite 43 ion beam 43 redox 43 hydrogen atoms 43 particles 43 nanoparticles 43 protons 43 aqueous 43 nuclei 43 fluorine 43 electrophoresis 42 electrolytic 42 spectroscopy 42 refractive index 42 nano particles 42 nanocrystals 42 microparticles 42 monolayer 42 magnetic nanoparticles 42 milli 42 nitride 42 β 42 impeller 42 chloride 42 catalysis 41 cathode 41 superconducting 41 vibrational 41 Electron 41 silicate 41 colloidal 41 hafnium 41 deuterium 41 nanoparticle 41 ligand 41 nucleation 41 capillary 41 ac 41 Hg 41 adsorbed 41 galvanic 41 microstructures 41 conductance 41 laser pulse 40 oxidation 40 h 40 inductive 40 qubit 40 dimer 40 annealing 40 μ 40 femtosecond 40 reagent 40 ion implantation 39 conformal