Metalloid, Pnictogen, Quaternary, Transitional, Phase diagram

• Ag-As-Bi-Se
• N-O-Si-Y
• Ag-Bi-Pb-Te
• Ag-Bi-Sn-Te
• Ag-Pb-S-Sb
• transitional
• quaternary
• metalloid
• pnictogen
• tetrahedron