Chalcogen, Tetragonal bronze, Transitional, Tetragonal

• K-Nb-O-Pb
• Ba-Nb-O-Sm-Ti
• Nb-O-Pb
• F-K-Nb-O-Sr
• Nb-O-Sm-Sr
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• phase transitions
• mechanical properties
• oxide
• transitional
• tetragonal bronze
• chalcogen
• disordered