Electronic and electrical properties, O-Se, Trigonal

• K-Na-O-Se
• H-N-O-Se
• Cs-H-O-Se
• H-O-Rb-Se
• K-O-Se
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• permittivity (dielectric constant)
• chalcogen
• non-disordered
• quaternary
• tetraoxoselenate