Phase transitions, Tl-x polyhedra, Trigonal

• Mo-O-Tl
• N-O-Tl
• O-Tl-W
• O-Tl-V
• Mo-O-Se-Tl
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• decomposition
• chalcogen
• non-disordered
• ternary
• transitional