Alkali, Electronic and electrical properties, Orthorhombic, P-Rb

• H-O-P-Rb
• O-P-Rb-Ti
• Nb-O-P-Rb-Ti
• Nb-O-P-Rb-Ti-Yb
• O-P-Rb-Ti-Yb
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• alkali
• pnictogen
• chalcogen
• transitional
• non-disordered