Hexagonal, Rare earth, Ternary, Structural transitions

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