Chalcogen, Transitional, Pb-Se, Phase transitions

• Ag-Pb-Se
• Au-Pb-Se
• Cd-Ga-Pb-Se
• Cd-I-Pb-Se
• Hg-Pb-Se
• phase diagram
• fusion
• temperature for congruent melting
• pressure for structural transition
• chalcogen
• transitional
• selenide
• quaternary
• monoclinic
• orthorhombic
• cubic
• trigonal
• triclinic