Orthorhombic, Rare earth, Structural transitions

• Ca-La-Mn-O
• Mn-O-Tb
• Ca-Mn-O-Pr
• Gd-Ge-Si
• Ba-Cu-La-O
• temperature for structural transition
• pressure for structural transition
• magnetic field for structural transition
• rare earth
• lanthanoid
• transitional
• chalcogen
• oxide