Related by context. Frequent words. (Click for all words.) 71 terbium 68 dysprosium 66 cerium 65 Neodymium 64 yttrium 64 Yttrium 61 Germanium 61 lanthanum 60 neodymium 59 titanium oxide 59 polycrystalline 59 SiO2 58 osmium 58 REEs 58 HREO 57 tellurium 57 MgO 57 iridium 57 gallium 57 super alloys 57 silicates 57 indium 57 HREE 56 Rare earths 56 Gadolinium 56 oxides 56 Rare earth 56 phosphors 56 SiO 2 55 Titanium dioxide 55 chlorite 55 chemically inert 55 dopant 55 hydroxide 55 zirconium 55 monazite 54 pathfinder elements 54 iron oxides 54 cadmium telluride 54 rubidium 54 aluminum oxide 54 rhodium 54 biotite 54 spodumene 54 hafnium 54 Quantum dots 54 QDs 54 siliceous 54 TiO 2 54 Oxides 53 SWNTs 53 sulphide minerals 53 bismuth 53 dioxide 53 sericite 53 chromophores 53 rhenium 53 copper Cu 53 ferrite 53 anions 53 metal alloys 53 semiconducting 53 Gallium 53 germanium 53 cuprates 53 Niobium 53 superalloys 53 InGaN 53 Zirconium 52 ruthenium 52 graphitic 52 emissive 52 dopants 52 bornite 52 nanocrystals 52 apatite 52 copper oxide 52 silicate 52 nitride 52 ferrovanadium 52 adsorbent 52 carbonaceous 52 halogens 52 oxalate 52 chalcocite 52 fluorine 52 nanospheres 52 oxidised 52 arsenopyrite 52 magnesium oxide 52 zeolites 52 nickel alloy 51 Rare Earth Elements 51 indium phosphide 51 electron mobility 51 diffractive 51 cathodes 51 PZT 51 visible wavelengths 51 pyroxenite 51 Sulfate