Eu-x polyhedra, Phase transitions

• As-Eu-Fe
• Eu-O
• Eu-Mo-S
• Eu-O-Ti
• Eu-Gd-Ge
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• pressure for structural transition
• rare earth
• lanthanoid
• transitional
• non-disordered
• orthorhombic
• tetragonal
• cubic
• monoclinic
• hexagonal