Chalcogen, Lanthanoid, Rare earth, Effective mass, Trigonal

• La-O-Ti
• La-Ni-O
• Al-N-Nd-O-Si
• La-Mn-O-Sr
• Ba-Lu-Nb-O-Ti
• electrical conductivity
• effective mass of electrons
• effective mass of electrons to holes ratio
• rare earth
• lanthanoid
• chalcogen
• transitional