Ho-O, Lanthanoid, Transitional, Phase transitions

• Ho-Mn-O
• Ba-Cu-Ho-O
• Ho-O-V
• Fe-Ho-O
• Ba-Co-Ho-O
• temperature for congruent melting
• fusion
• structural transitions
• temperature for structural transition
• transitional
• chalcogen
• lanthanoid
• rare earth
• oxide
• orthorhombic
• tetragonal
• cubic
• monoclinic
• trigonal