Hexagonal, Lanthanoid, Rare earth, Ternary, Structural transitions

• P-Pr-Ru
• Ho-Mn-O
• Al-C-Yb
• Al-Ni-Tb
• As-Ce-Rh
• temperature for structural transition
• pressure for structural transition
• structural transition
• rare earth
• lanthanoid
• ternary
• transitional
• non-disordered