Disordered, Quaternary, R3

• Cd-Cs-Ga-S
• Bi-Cr-Fe-O
• Mn-Ni-O-Te
• Ba-Ga-Ge-S
• Ba-Ga-Ge-Se
• structural properties
• optical properties
• electronic and electrical properties
• magnetic properties
• non-linear optics
• chalcogen
• disordered
• quaternary
• transitional
• nonmetal
• trigonal