Chalcogen, Nd-x polyhedra, Phase transitions, Trigonal

• Ca-Nd-O-V
• Al-N-Nd-O-Si
• Bi-Nd-O
• Bi-Fe-Nd-O
• Bi-Fe-Nd-O-Ti
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• lanthanoid
• rare earth
• chalcogen
• disordered