Chalcogen, Oxide, Transitional, Ionic conductivity, Orthorhombic

• Nb-O-P-Rb-Ti
• Nb-O-P-Rb-Ti-Yb
• O-P-Rb-Ti-Yb
• O-P-Rb-Ti
• F-Fe-Na-O-P
• oxide
• chalcogen
• transitional
• conductor
• disordered