Borate, Chalcogen, Electronic and electrical properties, Trigonal

• B-Ba-O
• B-O
• B-Ge-La-O
• B-Nd-O-Si
• B-Bi-K-Li-Na-Nb-O-Ti-Zr
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• permittivity (dielectric constant)
• borate
• chalcogen
• metalloid
• non-disordered