Alkali, Chalcogen, Disordered, Oxide, Effective mass, Orthorhombic

• Na-Nb-O-Sr-Ti
• Na-Nb-Nd-O
• K-Nb-O-Ti
• K-Na-Nb-O
• Fe-Li-O-Ti
• electrical conductivity
• disordered
• chalcogen
• alkali
• oxide