Electronic and electrical properties, Mg-x polyhedra, Orthorhombic

• Mg-Nb-O
• Mg-O-Si
• Fe-Mg-O-Si
• Mg-O-Pb-W
• Cu-Mg-Y
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• alkaline
• chalcogen
• disordered
• transitional