Chalcogen, Oxide, Rare earth, Enthalpy change at structural transition

• Cr-La-O
• Nb-O-Pb-Sc
• Er-O-Pb-Sb
• Eu-Nb-O-Sr-Ti
• La-Mo-O
• chalcogen
• rare earth
• oxide
• lanthanoid
• transitional
• orthorhombic
• trigonal
• cubic
• monoclinic
• tetragonal