Disordered, Lanthanoid, Rare earth, Hexagonal, Phase transitions

• P-Pr-Ru
• Gd-O
• Ho-Mn-O
• Co-Sm
• Ga-Ni-Tm
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• peritectic formation
• rare earth
• lanthanoid
• disordered
• transitional