Chalcogen, Lanthanoid, Rare earth, Transitional, Ionic conductivity

• O-P-Rb-Ti-Yb
• La-Li-Nb-O
• Nb-O-P-Rb-Ti-Yb
• La-O-Si
• La-Li-O-Ti
• transitional
• rare earth
• lanthanoid
• chalcogen
• conductor
• cubic
• orthorhombic
• tetragonal
• hexagonal
• trigonal