Electronic and electrical properties, Ge-O, Oxide, Trigonal

• Ge-O-Pb-Sr
• Ga-Ge-O-Sr
• Ga-Ge-La-O
• Ca-Ga-Ge-O
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• permittivity (dielectric constant)
• metalloid
• oxide
• chalcogen
• disordered