Phase transitions, Thacas

• Ge-Sb-Te
• La-O-Y
• Ag-Au-Pb
• Ag-Te-Tl
• Br-Cs-Tb
• phase diagram
• structural transitions
• temperature for structural transition
• temperature for congruent melting
• transitional
• ternary
• chalcogen
• binary
• metalloid
• orthorhombic
• cubic
• monoclinic
• hexagonal
• trigonal