Electronic and electrical properties, Langasite, Metalloid, Transitional

• Ga-La-O-Si
• Ca-Ga-Nb-O-Si
• Al-Ca-Nb-O-Si
• Ga-Ge-La-O
• Ca-Ga-O-Si-Ta
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• permittivity (dielectric constant)
• transitional
• chalcogen
• langasite
• metalloid
• disordered
• trigonal
• monoclinic
• triclinic