Related by context. Frequent words. (Click for all words.) 54 Yttrium 51 SiO2 51 Gallium 50 Germanium 50 yttrium 49 lanthanum 49 Oxides 49 Nanotube 48 bismuth 48 cerium 47 Neodymium 47 Nanowires 46 ZnO 46 super alloys 46 Quantum dots 45 phosphors 45 titanium oxide 45 chalcocite 45 ruthenium 44 PZT 44 Titanium dioxide 44 Zirconium 43 hafnium 43 silicate 43 metal alloys 43 dielectrics 43 Indium 42 nanocrystals 42 pathfinder elements 42 silicates 42 alpha particles 42 dysprosium 42 CNTs 42 carbonaceous 42 phosphor 42 nitride 41 iridium 41 siliceous 41 gallium 41 SWNTs 41 fluorine 41 polycrystalline 41 HREO 40 Niobium 40 oxides 40 halogens 40 Nickel Metal Hydride 40 Nd 40 indium 40 titanium alloys 40 HREE 39 olivine 39 copper Cu 39 boron 39 CdTe 39 quantum dots 39 cadmium telluride 39 zirconium 39 germanium 39 zeolites 38 superalloys 38 rubidium 38 oxide 38 lithium 38 semiconducting 38 neodymium 37 hydride 37 REEs 37 Rare earth 37 dioxide 36 gallium nitride 36 spodumene 36 diode lasers 36 photodetectors 36 cobalt 35 tellurium 35 gallium arsenide 35 cathodes 35 Rare earths 35 SOFCs 34 nuclei 34 silicon carbide 34 krypton 33 cold cathode fluorescent 33 vanadium 33 REE 33 rhenium 33 deuterium 33 rhodium 33 niobium 32 photonic devices 31 tantalum 31 rare earth 30 fermions 30 superconductors 30 metals 29 neutrons 29 Tantalum 28 Highly enriched uranium 26 metal ores 22 rare earths