Karpovich

• Ga-Se-Tl
• In-S-Tl
• Ba-F
• Ga-S-Tl
• Ba-F-Gd
• structural properties
• electronic and electrical properties
• optical properties
• electronic energy gap
• photo-conductivity data
• chalcogen
• ternary
• disordered
• semiconductor
• conductor
• monoclinic
• cubic